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Hurricane Dennis
Title Hurricane Dennis
Abstract The formation of Hurricane Dennis on July 5 made that the earliest date on record that four named storms formed in the Atlantic basin. Dennis proved to be a powerful and destructive storm in the Caribbean Sea and the Gulf of Mexico. It crossed over Cuba on July 8 and 9, leaving at least 10 dead, and caused additional deaths in Haiti. After re-emerging over open water, Dennis re-strengthened into a dangerous Category 4 hurricane with top wind speeds of 233 kilometers per hour (145 mph). The storm passed within 90 kilometers (55 miles) of Pensacola, Florida, and hit land about 80 kilometers (50 miles) east of where Hurricane Ivan struck in September, 2004. A large storm surge of more than 10 feet was created in certain areas, and many homes and businesses in low-lying areas were flooded.
Completed 2005-07-11
Hurricane Ivan Rainfall Stru …
Title Hurricane Ivan Rainfall Structure on September 13, 2004
Completed 2004-09-13
Hurricane Ivan Rainfall Stru …
Title Hurricane Ivan Rainfall Structure on September 13, 2004
Completed 2004-09-13
Hurricane Ivan Rainfall Stru …
Title Hurricane Ivan Rainfall Structure on September 13, 2004
Completed 2004-09-13
Hurricane Ivan Rainfall Stru …
Title Hurricane Ivan Rainfall Structure on September 13, 2004
Completed 2004-09-13
Hurricane Ivan Rainfall Stru …
Title Hurricane Ivan Rainfall Structure on September 13, 2004
Completed 2004-09-13
Progression of Hurricane Den …
Title Progression of Hurricane Dennis, 2005 (WMS)
Abstract The formation of Hurricane Dennis on July 5 made that the earliest date on record that four named storms formed in the Atlantic basin. Dennis proved to be a powerful and destructive storm in the Caribbean Sea and the Gulf of Mexico. It crossed over Cuba on July 8 and 9, leaving at least 10 dead, and caused additional deaths in Haiti. After re-emerging over open water, Dennis re-strengthened into a dangerous Category 4 hurricane with top wind speeds of 233 kilometers per hour (145 mph). The storm passed within 90 kilometers (55 miles) of Pensacola, Florida, and hit land about 80 kilometers (50 miles) east of where Hurricane Ivan struck in September, 2004. A large storm surge of more than 10 feet was created in certain areas, and many homes and businesses in low-lying areas were flooded.
Completed 2005-07-18
Hurricane Frances Structure …
Title Hurricane Frances Structure September 1, 2004
Abstract NASA's TRMM spacecraft is used by meteorologists to understand the underlying rain structure beneath Hurricane Frances on September 1, 2004. Here large and powerful towers are making the hurricane stronger. The rain bands are colored to represent rain intensity. Blue represents areas with at least 0.25 inches of rain per hour. Green shows at least 0.5 inches of rain per hour. Yellow is at least 1.0 inch of rain and red is at least 2.0 inches of rain per hour.
Completed 2005-03-24
Hurricane Frances Structure …
Title Hurricane Frances Structure September 1, 2004
Abstract NASA's TRMM spacecraft is used by meteorologists to understand the underlying rain structure beneath Hurricane Frances on September 1, 2004. Here large and powerful towers are making the hurricane stronger. The rain bands are colored to represent rain intensity. Blue represents areas with at least 0.25 inches of rain per hour. Green shows at least 0.5 inches of rain per hour. Yellow is at least 1.0 inch of rain and red is at least 2.0 inches of rain per hour.
Completed 2005-03-24
Hurricane Dean
Title Hurricane Dean
Description The 2007 Atlantic hurricane season had been running for several months before it saw its first hurricane, Dean. Dean began as a wave-like disturbance in the cloud bands off South America, which gathered together to form a storm system on August 13. By August 18, Dean had grown in power to become a Category 4 hurricane, [ http://www.nhc.noaa.gov/aboutsshs.shtml ] swirling in the Caribbean Sea. The storm caused great damage to Jamaica and Grand Cayman Island, among other Caribbean islands, and as of August 19, it was forecast to come ashore on the Mexican Yucatan Peninsula not far from the border with Belize. Forecasters at the National Hurricane Center [ http://www.nhc.noaa.gov/index.shtml? ] were also expecting the storm to continue to gather power to Category 5 strength. While weather and Earth science satellites are known for getting a perspective on storms as they orbit the Earth, they were not the only sensors viewing Hurricane Dean from high above. Astronauts aboard the International Space Station and the crew of the Space Shuttle "Endeavour" passed over the storm on August 18. These two photographs were taken by astronauts on "Endeavour" moments from each other. The first is a close-up of the eye of the storm, the second is a wider-angle view, both taken by a handheld camera around noon local time. Hurricane Dean showed a deep and well-defined eye at the center of the storm, with powerful thunderstorms around the eyewall sending up tall towers of clouds. In the close-up view, these towering clouds appear to be casting shadows on the cloud deck below them. The deep eye of the storm has a clear three-dimensional shape in these oblique angle photographs, but the camera angle does not allow us to see down the bottom of the storm. At the time of these photographs, Hurricane Dean was passing just south of Jamaica as a Category 4 storm with sustained winds as high as 240 kilometers per hour (150 miles per hour). NASA photographs provided courtesy of NASA Public Affairs Office.
Hurricane Dean
Title Hurricane Dean
Description The 2007 Atlantic hurricane season had been running for several months before it saw its first hurricane, Dean. Dean began as a wave-like disturbance in the cloud bands off South America, which gathered together to form a storm system on August 13. By August 18, Dean had grown in power to become a Category 4 hurricane, [ http://www.nhc.noaa.gov/aboutsshs.shtml ] swirling in the Caribbean Sea. The storm caused great damage to Jamaica and Grand Cayman Island, among other Caribbean islands, and as of August 19, it was forecast to come ashore on the Mexican Yucatan Peninsula not far from the border with Belize. Forecasters at the National Hurricane Center [ http://www.nhc.noaa.gov/index.shtml? ] were also expecting the storm to continue to gather power to Category 5 strength. While weather and Earth science satellites are known for getting a perspective on storms as they orbit the Earth, they were not the only sensors viewing Hurricane Dean from high above. Astronauts aboard the International Space Station and the crew of the Space Shuttle "Endeavour" passed over the storm on August 18. These two photographs were taken by astronauts on "Endeavour" moments from each other. The first is a close-up of the eye of the storm, the second is a wider-angle view, both taken by a handheld camera around noon local time. Hurricane Dean showed a deep and well-defined eye at the center of the storm, with powerful thunderstorms around the eyewall sending up tall towers of clouds. In the close-up view, these towering clouds appear to be casting shadows on the cloud deck below them. The deep eye of the storm has a clear three-dimensional shape in these oblique angle photographs, but the camera angle does not allow us to see down the bottom of the storm. At the time of these photographs, Hurricane Dean was passing just south of Jamaica as a Category 4 storm with sustained winds as high as 240 kilometers per hour (150 miles per hour). NASA photographs provided courtesy of NASA Public Affairs Office.
Hurricane Emily
Title Hurricane Emily
Description Hurricane Emily is shown here in the Carribbean north of Venezuela on July 14, 2005. The image was captured by the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Aqua satellite at 17:20 UTC (13:20 Eastern Daylight Time). At this time, it was a well developed and powerful hurricane with winds over 150 kilometers an hour (85 knots). It passed through the chain of islands known as the Windward Islands, causing one death in the city of St. George?s on Grenada. It is building up towards a Category 4 hurricane, the second strongest storm on the Saffir-Simpson intensity scale. Projections take it glancing off Jamaica, striking the Yucatan Peninsula in Mexico, and continuing across into the Gulf of Mexico to make landfall again somewhere near Brownsville, Texas on the border with Mexico and the United States. Predicting hurricane strength and intensity is challenging, and Emily might be either stronger or weaker than expected, and it may not stay on its predicted course. The hurricane has already become somewhat stronger than first anticipated. NASA image created by Jesse Allen, Earth Observatory, using data obtained from the MODIS Rapid Response team.
Hurricane Ivan
Title Hurricane Ivan
Description This photo of Hurricane Ivan was snapped as the International Space Station passed over the eye of the storm on Saturday, September 11, 2004, about 15 minutes after 23:00 GMT (7 p.m. EDT). At the time, Ivan was wobbling west off its predicted course, its eye just missing Jamaica. The storm was a powerful and dangerous Category 5 storm with sustained winds reaching to 270 kilometers per hour (165 mph) and higher gusts. With tropical storm-force winds extending 280 kilometers from the eye, Ivan covers nearly the entire visible portion of the Earth in the above photo (22160). Portions of the ISS hardware (solar arrays) appear in the upper right corner. The other images in this series show the eye of the storm (22187), a close-up of the eye (22167), and the entire hurricane from another angle (22192). Astronaut photographs ISS009-E-22192 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22192 ] (taken with 17 mm lens), ISS009-E-22160 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22160 ] and ISS009-E-22187 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22187 ] (taken with 22 mm lens) and ISS009-E-22167 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22167 ] (taken with 180 mm lens) are provided by the Earth Observations Laboratory [ http://eol.jsc.nasa.gov ], Johnson Space Center. The International Space Station Program [ http://spaceflight.nasa.gov ] supports the laboratory to help astronauts take pictures of Earth that will be of the greatest value to scientists and the public, and to make those images freely available on the Internet. Additional images taken by astronauts and cosmonauts can be viewed at the NASA/JSC Gateway to Astronaut Photography of Earth [ http://eol.jsc.nasa.gov ]. NASA images provided courtesy the Earth Observations Laboratory [ http://eol.jsc.nasa.gov ], Johnson Space Center.
Hurricane Ivan
Title Hurricane Ivan
Description This photo of Hurricane Ivan was snapped as the International Space Station passed over the eye of the storm on Saturday, September 11, 2004, about 15 minutes after 23:00 GMT (7 p.m. EDT). At the time, Ivan was wobbling west off its predicted course, its eye just missing Jamaica. The storm was a powerful and dangerous Category 5 storm with sustained winds reaching to 270 kilometers per hour (165 mph) and higher gusts. With tropical storm-force winds extending 280 kilometers from the eye, Ivan covers nearly the entire visible portion of the Earth in the above photo (22160). Portions of the ISS hardware (solar arrays) appear in the upper right corner. The other images in this series show the eye of the storm (22187), a close-up of the eye (22167), and the entire hurricane from another angle (22192). Astronaut photographs ISS009-E-22192 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22192 ] (taken with 17 mm lens), ISS009-E-22160 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22160 ] and ISS009-E-22187 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22187 ] (taken with 22 mm lens) and ISS009-E-22167 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22167 ] (taken with 180 mm lens) are provided by the Earth Observations Laboratory [ http://eol.jsc.nasa.gov ], Johnson Space Center. The International Space Station Program [ http://spaceflight.nasa.gov ] supports the laboratory to help astronauts take pictures of Earth that will be of the greatest value to scientists and the public, and to make those images freely available on the Internet. Additional images taken by astronauts and cosmonauts can be viewed at the NASA/JSC Gateway to Astronaut Photography of Earth [ http://eol.jsc.nasa.gov ]. NASA images provided courtesy the Earth Observations Laboratory [ http://eol.jsc.nasa.gov ], Johnson Space Center.
Hurricane Ivan
Title Hurricane Ivan
Description This photo of Hurricane Ivan was snapped as the International Space Station passed over the eye of the storm on Saturday, September 11, 2004, about 15 minutes after 23:00 GMT (7 p.m. EDT). At the time, Ivan was wobbling west off its predicted course, its eye just missing Jamaica. The storm was a powerful and dangerous Category 5 storm with sustained winds reaching to 270 kilometers per hour (165 mph) and higher gusts. With tropical storm-force winds extending 280 kilometers from the eye, Ivan covers nearly the entire visible portion of the Earth in the above photo (22160). Portions of the ISS hardware (solar arrays) appear in the upper right corner. The other images in this series show the eye of the storm (22187), a close-up of the eye (22167), and the entire hurricane from another angle (22192). Astronaut photographs ISS009-E-22192 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22192 ] (taken with 17 mm lens), ISS009-E-22160 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22160 ] and ISS009-E-22187 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22187 ] (taken with 22 mm lens) and ISS009-E-22167 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22167 ] (taken with 180 mm lens) are provided by the Earth Observations Laboratory [ http://eol.jsc.nasa.gov ], Johnson Space Center. The International Space Station Program [ http://spaceflight.nasa.gov ] supports the laboratory to help astronauts take pictures of Earth that will be of the greatest value to scientists and the public, and to make those images freely available on the Internet. Additional images taken by astronauts and cosmonauts can be viewed at the NASA/JSC Gateway to Astronaut Photography of Earth [ http://eol.jsc.nasa.gov ]. NASA images provided courtesy the Earth Observations Laboratory [ http://eol.jsc.nasa.gov ], Johnson Space Center.
Hurricane Ivan
Title Hurricane Ivan
Description This photo of Hurricane Ivan was snapped as the International Space Station passed over the eye of the storm on Saturday, September 11, 2004, about 15 minutes after 23:00 GMT (7 p.m. EDT). At the time, Ivan was wobbling west off its predicted course, its eye just missing Jamaica. The storm was a powerful and dangerous Category 5 storm with sustained winds reaching to 270 kilometers per hour (165 mph) and higher gusts. With tropical storm-force winds extending 280 kilometers from the eye, Ivan covers nearly the entire visible portion of the Earth in the above photo (22160). Portions of the ISS hardware (solar arrays) appear in the upper right corner. The other images in this series show the eye of the storm (22187), a close-up of the eye (22167), and the entire hurricane from another angle (22192). Astronaut photographs ISS009-E-22192 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22192 ] (taken with 17 mm lens), ISS009-E-22160 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22160 ] and ISS009-E-22187 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22187 ] (taken with 22 mm lens) and ISS009-E-22167 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS009&roll=E&frame=22167 ] (taken with 180 mm lens) are provided by the Earth Observations Laboratory [ http://eol.jsc.nasa.gov ], Johnson Space Center. The International Space Station Program [ http://spaceflight.nasa.gov ] supports the laboratory to help astronauts take pictures of Earth that will be of the greatest value to scientists and the public, and to make those images freely available on the Internet. Additional images taken by astronauts and cosmonauts can be viewed at the NASA/JSC Gateway to Astronaut Photography of Earth [ http://eol.jsc.nasa.gov ]. NASA images provided courtesy the Earth Observations Laboratory [ http://eol.jsc.nasa.gov ], Johnson Space Center.
Hurricane Dean: Natural Haza …
nasa, nasanaturalhazards
The 2007 Atlantic hurricane …
dean_sts118_2007230_lrg2
mediatype IMAGE
mediatype image
date 2007-08-18
creator NASA -- NASA Image Of The Day
identifier dean_sts118_2007230_lrg2
Hurricane Dean: Natural Haza …
nasa, nasanaturalhazards
The 2007 Atlantic hurricane …
dean_sts118_2007230_lrg2
mediatype IMAGE
mediatype image
date 2007-08-18
creator NASA -- NASA Image Of The Day
identifier dean_sts118_2007230_lrg2
Hurricane Emily: Natural Haz …
nasa, nasanaturalhazards
Hurricane Emily is shown her …
emily_amo_14jul05
mediatype IMAGE
mediatype image
date July 14, 2005
creator NASA -- NASA Image Of The Day
identifier emily_amo_14jul05
Hurricane Ivan: Natural Haza …
nasa, nasanaturalhazards
This photo of Hurricane Ivan …
Ivan_ISS_2004255
mediatype IMAGE
mediatype image
date 2004-09-11
creator NASA -- NASA Image Of The Day
identifier Ivan_ISS_2004255
Colored Height and Shaded Re …
PIA03364
Sol (our sun)
C-Band Interferometric Radar
Title Colored Height and Shaded Relief, Central America
Original Caption Released with Image Panama, Costa Rica, Nicaragua, El Salvador, Honduras, Guatemala, Belize, southern Mexico and parts of Cuba and Jamaica are all seen in this image from NASA's Shuttle Radar Topography Mission. The dominant feature of the northern part of Central America is the Sierra Madre Range, spreading east from Mexico between the narrow Pacific coastal plain and the limestone lowland of the Yucatan Peninsula. Parallel hill ranges sweep across Honduras and extend south, past the Caribbean Mosquito Coast to lakes Managua and Nicaragua. The Cordillera Central rises to the south, gradually descending to Lake Gatun and the Isthmus of Panama. A highly active volcanic belt runs along the Pacific seaboard from Mexico to Costa Rica. High-quality satellite imagery of Central America has, until now, been difficult to obtain due to persistent cloud cover in this region of the world. The ability of SRTM to penetrate clouds and make three-dimensional measurements has allowed the generation of the first complete high-resolution topographic map of the entire region. This map was used to generate the image. Two visualization methods were combined to produce the image: shading and color coding of topographic height. The shade image was derived by computing topographic slope in the north-south direction. Color coding is directly related to topographic height, with green at the lower elevations, rising through yellow, red, and magenta, to white at the highest elevations. For an annotated version of this image, please select Figure 1, below:(Large image: ~9 mB jpeg) Elevation data used in this image were acquired by the Shuttle Radar Topography Mission aboard the Space Shuttle Endeavour, launched on February 11, 2000. The mission used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar that flew twice on the Space Shuttle Endeavour in 1994. The Shuttle Radar Topography Mission was designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter (200-foot)-long mast, installed additional C-band and X-band antennas, and improved tracking and navigation devices. The mission is a cooperative project between NASA, the National Imagery and Mapping Agency of the U.S. Department of Defense, and the German and Italian space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., for NASA's Earth Science Enterprise, Washington, D.C. Size: 1720 by 1670 kilometers (1068 by 1036 miles) Location: 14.5 degrees North latitude, 85.0 degrees West longitude Orientation: North toward the top Image Data: Shaded and colored SRTM elevation model Date Acquired: February 2000
Colored Height and Shaded Re …
PIA03364
Sol (our sun)
C-Band Interferometric Radar
Title Colored Height and Shaded Relief, Central America
Original Caption Released with Image Panama, Costa Rica, Nicaragua, El Salvador, Honduras, Guatemala, Belize, southern Mexico and parts of Cuba and Jamaica are all seen in this image from NASA's Shuttle Radar Topography Mission. The dominant feature of the northern part of Central America is the Sierra Madre Range, spreading east from Mexico between the narrow Pacific coastal plain and the limestone lowland of the Yucatan Peninsula. Parallel hill ranges sweep across Honduras and extend south, past the Caribbean Mosquito Coast to lakes Managua and Nicaragua. The Cordillera Central rises to the south, gradually descending to Lake Gatun and the Isthmus of Panama. A highly active volcanic belt runs along the Pacific seaboard from Mexico to Costa Rica. High-quality satellite imagery of Central America has, until now, been difficult to obtain due to persistent cloud cover in this region of the world. The ability of SRTM to penetrate clouds and make three-dimensional measurements has allowed the generation of the first complete high-resolution topographic map of the entire region. This map was used to generate the image. Two visualization methods were combined to produce the image: shading and color coding of topographic height. The shade image was derived by computing topographic slope in the north-south direction. Color coding is directly related to topographic height, with green at the lower elevations, rising through yellow, red, and magenta, to white at the highest elevations. For an annotated version of this image, please select Figure 1, below:(Large image: ~9 mB jpeg) Elevation data used in this image were acquired by the Shuttle Radar Topography Mission aboard the Space Shuttle Endeavour, launched on February 11, 2000. The mission used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar that flew twice on the Space Shuttle Endeavour in 1994. The Shuttle Radar Topography Mission was designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter (200-foot)-long mast, installed additional C-band and X-band antennas, and improved tracking and navigation devices. The mission is a cooperative project between NASA, the National Imagery and Mapping Agency of the U.S. Department of Defense, and the German and Italian space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., for NASA's Earth Science Enterprise, Washington, D.C. Size: 1720 by 1670 kilometers (1068 by 1036 miles) Location: 14.5 degrees North latitude, 85.0 degrees West longitude Orientation: North toward the top Image Data: Shaded and colored SRTM elevation model Date Acquired: February 2000
Hurricane Ivan as Observed b …
PIA00431
Sol (our sun)
Atmospheric Infrared Sounder …
Title Hurricane Ivan as Observed by NASA's Spaceborne Atmospheric Infrared Sounder (AIRS)
Original Caption Released with Image Hurricane Ivan is the most powerful hurricane to hit the Caribbean in 10 years. On September 7 and 8 it damaged 90 percent of the homes in Grenada and killed at least 16 people as it swept over Grenada, Barbados and the other islands in the area. By Thursday morning on September 9, Ivan's sustained winds reached 160 mph making it a rare category 5 hurricane on the Saffir-Simpson scale. By Monday September 13, Ivan is blamed for 67 deaths and skirts western Cuba with winds clocked at 156 mph. The National Hurricane Center predicted the eye of Ivan will make landfall across Mobile Bay in Alabama late Wednesday or early Thursday. These images of Hurricane Ivan were acquired by the AIRS infrared, microwave, and visible sensors on September 15 at 1:30 pm local time as the storm moves in to Alabama. Ivan at category 4 strength is about 150 miles south of Mobile, Alabama and is moving north at 14 mph. Maximum sustained winds are reported to be at 135 mph and extend 105 miles from the center, while tropical storm-force winds extend 290 miles from the center. Ivan pounded the Gulf coast all day Wednesday, and is expected to make landfall between midnight and 3am in Mobile Bay, Alabama. This image shows how the storm looks through an AIRS Infrared window channel, and reveals a very large eye - about 75 km (50 miles) across. Window channels measure the temperature of the cloud tops or the surface of the Earth in cloud-free regions. The lowest temperatures are associated with high, cold cloud tops that make up the top of the hurricane. The infrared signal does not penetrate through clouds, so the purple color indicates the cool cloud tops of the storm. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Cooler areas are pushing to purple and warmer areas are pushing to red. The microwave image (figure 2) reveals where the heaviest precipitation in Ivan is taking place. The blue areas within the storm show the location of this heavy precipitation. Blue areas outside of the storm where there are moderate or no clouds are where the cold (in the microwave sense) sea surface shines through. The image shows that the largest area of intense convection/precipitation is in the NE quadrant, centered near New Orleans. There is a smaller but still quite intense area in the SE quadrant trailing the center of the storm that might impact the Alabama coast. Image Journal, September 13, Friday, 1:30 pm. - visible/near-infrared The Atmospheric Infrared Sounder Experiment, with its visible, infrared, and microwave detectors, provides a three-dimensional look at Earth's weather. Working in tandem, the three instruments can make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-D map of atmospheric temperature and humidity and provides information on clouds, greenhouse gases, and many other atmospheric phenomena. The AIRS Infrared Sounder Experiment flies onboard NASA's Aqua spacecraft and is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., under contract to NASA. JPL is a division of the California Institute of Technology in Pasadena., September 7, Tuesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 7, Tuesday, 1:30 am. - microwave, 89GHz September 8, Wednesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 8, Wednesday, 1:30 am. - microwave, 89GHz September 10, Friday, 1:30 pm. - infrared, 12micron Ivan closes in on Jamaica. With only 85 miles between the storm and the island, Ivan's winds at category 4 are sustained at 145 mph (230 km/hr). Hurricane-strength winds extend up to 60 miles from the center of Ivan, and tropical-storm force winds are up to 175 miles from the center. Ivan is now better organized and has a well-defined eye. After Ivan leaves Jamaica, it is expected to hit western Cuba, probably making landfall later Sunday as a CAT 4 hurricane. September 10, Friday, 1:30 pm. - microwave, 89GHz September 10, Friday, 1:30 pm. - visible/near-infrared September 13, Friday, 1:30 pm. - infrared, 12micron Ivan's winds at category 5 strength are sustained at 160 mph (260 km/hr) and extend out to 105 miles from the center. Tropical-storm force winds are up to 205 miles from the center. The infrared image shows that the eye has grown quite large - perhaps 40 km (25 miles) across - which is sometimes an indication of weakening but may not be in this case. The surface pressure at the time of this image was estimated by the National Hurricane Center at 915 mb and falling - consistent with a very intense and strengthening hurricane. September 13, Friday, 1:30 pm. - microwave, 89GHz The microwave image shows that Ivan has again developed two distinct convective centers, separated by about 250 km. That pattern developed on September 5 and persisted for 4 days. It disappeared while the storm was passing over Jamaica, but it has now re-formed.
Hurricane Ivan as Observed b …
PIA00431
Sol (our sun)
Atmospheric Infrared Sounder …
Title Hurricane Ivan as Observed by NASA's Spaceborne Atmospheric Infrared Sounder (AIRS)
Original Caption Released with Image Hurricane Ivan is the most powerful hurricane to hit the Caribbean in 10 years. On September 7 and 8 it damaged 90 percent of the homes in Grenada and killed at least 16 people as it swept over Grenada, Barbados and the other islands in the area. By Thursday morning on September 9, Ivan's sustained winds reached 160 mph making it a rare category 5 hurricane on the Saffir-Simpson scale. By Monday September 13, Ivan is blamed for 67 deaths and skirts western Cuba with winds clocked at 156 mph. The National Hurricane Center predicted the eye of Ivan will make landfall across Mobile Bay in Alabama late Wednesday or early Thursday. These images of Hurricane Ivan were acquired by the AIRS infrared, microwave, and visible sensors on September 15 at 1:30 pm local time as the storm moves in to Alabama. Ivan at category 4 strength is about 150 miles south of Mobile, Alabama and is moving north at 14 mph. Maximum sustained winds are reported to be at 135 mph and extend 105 miles from the center, while tropical storm-force winds extend 290 miles from the center. Ivan pounded the Gulf coast all day Wednesday, and is expected to make landfall between midnight and 3am in Mobile Bay, Alabama. This image shows how the storm looks through an AIRS Infrared window channel, and reveals a very large eye - about 75 km (50 miles) across. Window channels measure the temperature of the cloud tops or the surface of the Earth in cloud-free regions. The lowest temperatures are associated with high, cold cloud tops that make up the top of the hurricane. The infrared signal does not penetrate through clouds, so the purple color indicates the cool cloud tops of the storm. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Cooler areas are pushing to purple and warmer areas are pushing to red. The microwave image (figure 2) reveals where the heaviest precipitation in Ivan is taking place. The blue areas within the storm show the location of this heavy precipitation. Blue areas outside of the storm where there are moderate or no clouds are where the cold (in the microwave sense) sea surface shines through. The image shows that the largest area of intense convection/precipitation is in the NE quadrant, centered near New Orleans. There is a smaller but still quite intense area in the SE quadrant trailing the center of the storm that might impact the Alabama coast. Image Journal, September 13, Friday, 1:30 pm. - visible/near-infrared The Atmospheric Infrared Sounder Experiment, with its visible, infrared, and microwave detectors, provides a three-dimensional look at Earth's weather. Working in tandem, the three instruments can make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-D map of atmospheric temperature and humidity and provides information on clouds, greenhouse gases, and many other atmospheric phenomena. The AIRS Infrared Sounder Experiment flies onboard NASA's Aqua spacecraft and is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., under contract to NASA. JPL is a division of the California Institute of Technology in Pasadena., September 7, Tuesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 7, Tuesday, 1:30 am. - microwave, 89GHz September 8, Wednesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 8, Wednesday, 1:30 am. - microwave, 89GHz September 10, Friday, 1:30 pm. - infrared, 12micron Ivan closes in on Jamaica. With only 85 miles between the storm and the island, Ivan's winds at category 4 are sustained at 145 mph (230 km/hr). Hurricane-strength winds extend up to 60 miles from the center of Ivan, and tropical-storm force winds are up to 175 miles from the center. Ivan is now better organized and has a well-defined eye. After Ivan leaves Jamaica, it is expected to hit western Cuba, probably making landfall later Sunday as a CAT 4 hurricane. September 10, Friday, 1:30 pm. - microwave, 89GHz September 10, Friday, 1:30 pm. - visible/near-infrared September 13, Friday, 1:30 pm. - infrared, 12micron Ivan's winds at category 5 strength are sustained at 160 mph (260 km/hr) and extend out to 105 miles from the center. Tropical-storm force winds are up to 205 miles from the center. The infrared image shows that the eye has grown quite large - perhaps 40 km (25 miles) across - which is sometimes an indication of weakening but may not be in this case. The surface pressure at the time of this image was estimated by the National Hurricane Center at 915 mb and falling - consistent with a very intense and strengthening hurricane. September 13, Friday, 1:30 pm. - microwave, 89GHz The microwave image shows that Ivan has again developed two distinct convective centers, separated by about 250 km. That pattern developed on September 5 and persisted for 4 days. It disappeared while the storm was passing over Jamaica, but it has now re-formed.
Hurricane Ivan as Observed b …
PIA00431
Sol (our sun)
Atmospheric Infrared Sounder …
Title Hurricane Ivan as Observed by NASA's Spaceborne Atmospheric Infrared Sounder (AIRS)
Original Caption Released with Image Hurricane Ivan is the most powerful hurricane to hit the Caribbean in 10 years. On September 7 and 8 it damaged 90 percent of the homes in Grenada and killed at least 16 people as it swept over Grenada, Barbados and the other islands in the area. By Thursday morning on September 9, Ivan's sustained winds reached 160 mph making it a rare category 5 hurricane on the Saffir-Simpson scale. By Monday September 13, Ivan is blamed for 67 deaths and skirts western Cuba with winds clocked at 156 mph. The National Hurricane Center predicted the eye of Ivan will make landfall across Mobile Bay in Alabama late Wednesday or early Thursday. These images of Hurricane Ivan were acquired by the AIRS infrared, microwave, and visible sensors on September 15 at 1:30 pm local time as the storm moves in to Alabama. Ivan at category 4 strength is about 150 miles south of Mobile, Alabama and is moving north at 14 mph. Maximum sustained winds are reported to be at 135 mph and extend 105 miles from the center, while tropical storm-force winds extend 290 miles from the center. Ivan pounded the Gulf coast all day Wednesday, and is expected to make landfall between midnight and 3am in Mobile Bay, Alabama. This image shows how the storm looks through an AIRS Infrared window channel, and reveals a very large eye - about 75 km (50 miles) across. Window channels measure the temperature of the cloud tops or the surface of the Earth in cloud-free regions. The lowest temperatures are associated with high, cold cloud tops that make up the top of the hurricane. The infrared signal does not penetrate through clouds, so the purple color indicates the cool cloud tops of the storm. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Cooler areas are pushing to purple and warmer areas are pushing to red. The microwave image (figure 2) reveals where the heaviest precipitation in Ivan is taking place. The blue areas within the storm show the location of this heavy precipitation. Blue areas outside of the storm where there are moderate or no clouds are where the cold (in the microwave sense) sea surface shines through. The image shows that the largest area of intense convection/precipitation is in the NE quadrant, centered near New Orleans. There is a smaller but still quite intense area in the SE quadrant trailing the center of the storm that might impact the Alabama coast. Image Journal, September 13, Friday, 1:30 pm. - visible/near-infrared The Atmospheric Infrared Sounder Experiment, with its visible, infrared, and microwave detectors, provides a three-dimensional look at Earth's weather. Working in tandem, the three instruments can make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-D map of atmospheric temperature and humidity and provides information on clouds, greenhouse gases, and many other atmospheric phenomena. The AIRS Infrared Sounder Experiment flies onboard NASA's Aqua spacecraft and is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., under contract to NASA. JPL is a division of the California Institute of Technology in Pasadena., September 7, Tuesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 7, Tuesday, 1:30 am. - microwave, 89GHz September 8, Wednesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 8, Wednesday, 1:30 am. - microwave, 89GHz September 10, Friday, 1:30 pm. - infrared, 12micron Ivan closes in on Jamaica. With only 85 miles between the storm and the island, Ivan's winds at category 4 are sustained at 145 mph (230 km/hr). Hurricane-strength winds extend up to 60 miles from the center of Ivan, and tropical-storm force winds are up to 175 miles from the center. Ivan is now better organized and has a well-defined eye. After Ivan leaves Jamaica, it is expected to hit western Cuba, probably making landfall later Sunday as a CAT 4 hurricane. September 10, Friday, 1:30 pm. - microwave, 89GHz September 10, Friday, 1:30 pm. - visible/near-infrared September 13, Friday, 1:30 pm. - infrared, 12micron Ivan's winds at category 5 strength are sustained at 160 mph (260 km/hr) and extend out to 105 miles from the center. Tropical-storm force winds are up to 205 miles from the center. The infrared image shows that the eye has grown quite large - perhaps 40 km (25 miles) across - which is sometimes an indication of weakening but may not be in this case. The surface pressure at the time of this image was estimated by the National Hurricane Center at 915 mb and falling - consistent with a very intense and strengthening hurricane. September 13, Friday, 1:30 pm. - microwave, 89GHz The microwave image shows that Ivan has again developed two distinct convective centers, separated by about 250 km. That pattern developed on September 5 and persisted for 4 days. It disappeared while the storm was passing over Jamaica, but it has now re-formed.
Hurricane Ivan as Observed b …
PIA00431
Sol (our sun)
Atmospheric Infrared Sounder …
Title Hurricane Ivan as Observed by NASA's Spaceborne Atmospheric Infrared Sounder (AIRS)
Original Caption Released with Image Hurricane Ivan is the most powerful hurricane to hit the Caribbean in 10 years. On September 7 and 8 it damaged 90 percent of the homes in Grenada and killed at least 16 people as it swept over Grenada, Barbados and the other islands in the area. By Thursday morning on September 9, Ivan's sustained winds reached 160 mph making it a rare category 5 hurricane on the Saffir-Simpson scale. By Monday September 13, Ivan is blamed for 67 deaths and skirts western Cuba with winds clocked at 156 mph. The National Hurricane Center predicted the eye of Ivan will make landfall across Mobile Bay in Alabama late Wednesday or early Thursday. These images of Hurricane Ivan were acquired by the AIRS infrared, microwave, and visible sensors on September 15 at 1:30 pm local time as the storm moves in to Alabama. Ivan at category 4 strength is about 150 miles south of Mobile, Alabama and is moving north at 14 mph. Maximum sustained winds are reported to be at 135 mph and extend 105 miles from the center, while tropical storm-force winds extend 290 miles from the center. Ivan pounded the Gulf coast all day Wednesday, and is expected to make landfall between midnight and 3am in Mobile Bay, Alabama. This image shows how the storm looks through an AIRS Infrared window channel, and reveals a very large eye - about 75 km (50 miles) across. Window channels measure the temperature of the cloud tops or the surface of the Earth in cloud-free regions. The lowest temperatures are associated with high, cold cloud tops that make up the top of the hurricane. The infrared signal does not penetrate through clouds, so the purple color indicates the cool cloud tops of the storm. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Cooler areas are pushing to purple and warmer areas are pushing to red. The microwave image (figure 2) reveals where the heaviest precipitation in Ivan is taking place. The blue areas within the storm show the location of this heavy precipitation. Blue areas outside of the storm where there are moderate or no clouds are where the cold (in the microwave sense) sea surface shines through. The image shows that the largest area of intense convection/precipitation is in the NE quadrant, centered near New Orleans. There is a smaller but still quite intense area in the SE quadrant trailing the center of the storm that might impact the Alabama coast. Image Journal, September 13, Friday, 1:30 pm. - visible/near-infrared The Atmospheric Infrared Sounder Experiment, with its visible, infrared, and microwave detectors, provides a three-dimensional look at Earth's weather. Working in tandem, the three instruments can make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-D map of atmospheric temperature and humidity and provides information on clouds, greenhouse gases, and many other atmospheric phenomena. The AIRS Infrared Sounder Experiment flies onboard NASA's Aqua spacecraft and is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., under contract to NASA. JPL is a division of the California Institute of Technology in Pasadena., September 7, Tuesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 7, Tuesday, 1:30 am. - microwave, 89GHz September 8, Wednesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 8, Wednesday, 1:30 am. - microwave, 89GHz September 10, Friday, 1:30 pm. - infrared, 12micron Ivan closes in on Jamaica. With only 85 miles between the storm and the island, Ivan's winds at category 4 are sustained at 145 mph (230 km/hr). Hurricane-strength winds extend up to 60 miles from the center of Ivan, and tropical-storm force winds are up to 175 miles from the center. Ivan is now better organized and has a well-defined eye. After Ivan leaves Jamaica, it is expected to hit western Cuba, probably making landfall later Sunday as a CAT 4 hurricane. September 10, Friday, 1:30 pm. - microwave, 89GHz September 10, Friday, 1:30 pm. - visible/near-infrared September 13, Friday, 1:30 pm. - infrared, 12micron Ivan's winds at category 5 strength are sustained at 160 mph (260 km/hr) and extend out to 105 miles from the center. Tropical-storm force winds are up to 205 miles from the center. The infrared image shows that the eye has grown quite large - perhaps 40 km (25 miles) across - which is sometimes an indication of weakening but may not be in this case. The surface pressure at the time of this image was estimated by the National Hurricane Center at 915 mb and falling - consistent with a very intense and strengthening hurricane. September 13, Friday, 1:30 pm. - microwave, 89GHz The microwave image shows that Ivan has again developed two distinct convective centers, separated by about 250 km. That pattern developed on September 5 and persisted for 4 days. It disappeared while the storm was passing over Jamaica, but it has now re-formed.
Hurricane Ivan as Observed b …
PIA00431
Sol (our sun)
Atmospheric Infrared Sounder …
Title Hurricane Ivan as Observed by NASA's Spaceborne Atmospheric Infrared Sounder (AIRS)
Original Caption Released with Image Hurricane Ivan is the most powerful hurricane to hit the Caribbean in 10 years. On September 7 and 8 it damaged 90 percent of the homes in Grenada and killed at least 16 people as it swept over Grenada, Barbados and the other islands in the area. By Thursday morning on September 9, Ivan's sustained winds reached 160 mph making it a rare category 5 hurricane on the Saffir-Simpson scale. By Monday September 13, Ivan is blamed for 67 deaths and skirts western Cuba with winds clocked at 156 mph. The National Hurricane Center predicted the eye of Ivan will make landfall across Mobile Bay in Alabama late Wednesday or early Thursday. These images of Hurricane Ivan were acquired by the AIRS infrared, microwave, and visible sensors on September 15 at 1:30 pm local time as the storm moves in to Alabama. Ivan at category 4 strength is about 150 miles south of Mobile, Alabama and is moving north at 14 mph. Maximum sustained winds are reported to be at 135 mph and extend 105 miles from the center, while tropical storm-force winds extend 290 miles from the center. Ivan pounded the Gulf coast all day Wednesday, and is expected to make landfall between midnight and 3am in Mobile Bay, Alabama. This image shows how the storm looks through an AIRS Infrared window channel, and reveals a very large eye - about 75 km (50 miles) across. Window channels measure the temperature of the cloud tops or the surface of the Earth in cloud-free regions. The lowest temperatures are associated with high, cold cloud tops that make up the top of the hurricane. The infrared signal does not penetrate through clouds, so the purple color indicates the cool cloud tops of the storm. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Cooler areas are pushing to purple and warmer areas are pushing to red. The microwave image (figure 2) reveals where the heaviest precipitation in Ivan is taking place. The blue areas within the storm show the location of this heavy precipitation. Blue areas outside of the storm where there are moderate or no clouds are where the cold (in the microwave sense) sea surface shines through. The image shows that the largest area of intense convection/precipitation is in the NE quadrant, centered near New Orleans. There is a smaller but still quite intense area in the SE quadrant trailing the center of the storm that might impact the Alabama coast. Image Journal, September 13, Friday, 1:30 pm. - visible/near-infrared The Atmospheric Infrared Sounder Experiment, with its visible, infrared, and microwave detectors, provides a three-dimensional look at Earth's weather. Working in tandem, the three instruments can make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-D map of atmospheric temperature and humidity and provides information on clouds, greenhouse gases, and many other atmospheric phenomena. The AIRS Infrared Sounder Experiment flies onboard NASA's Aqua spacecraft and is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., under contract to NASA. JPL is a division of the California Institute of Technology in Pasadena., September 7, Tuesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 7, Tuesday, 1:30 am. - microwave, 89GHz September 8, Wednesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 8, Wednesday, 1:30 am. - microwave, 89GHz September 10, Friday, 1:30 pm. - infrared, 12micron Ivan closes in on Jamaica. With only 85 miles between the storm and the island, Ivan's winds at category 4 are sustained at 145 mph (230 km/hr). Hurricane-strength winds extend up to 60 miles from the center of Ivan, and tropical-storm force winds are up to 175 miles from the center. Ivan is now better organized and has a well-defined eye. After Ivan leaves Jamaica, it is expected to hit western Cuba, probably making landfall later Sunday as a CAT 4 hurricane. September 10, Friday, 1:30 pm. - microwave, 89GHz September 10, Friday, 1:30 pm. - visible/near-infrared September 13, Friday, 1:30 pm. - infrared, 12micron Ivan's winds at category 5 strength are sustained at 160 mph (260 km/hr) and extend out to 105 miles from the center. Tropical-storm force winds are up to 205 miles from the center. The infrared image shows that the eye has grown quite large - perhaps 40 km (25 miles) across - which is sometimes an indication of weakening but may not be in this case. The surface pressure at the time of this image was estimated by the National Hurricane Center at 915 mb and falling - consistent with a very intense and strengthening hurricane. September 13, Friday, 1:30 pm. - microwave, 89GHz The microwave image shows that Ivan has again developed two distinct convective centers, separated by about 250 km. That pattern developed on September 5 and persisted for 4 days. It disappeared while the storm was passing over Jamaica, but it has now re-formed.
Hurricane Ivan as Observed b …
PIA00431
Sol (our sun)
Atmospheric Infrared Sounder …
Title Hurricane Ivan as Observed by NASA's Spaceborne Atmospheric Infrared Sounder (AIRS)
Original Caption Released with Image Hurricane Ivan is the most powerful hurricane to hit the Caribbean in 10 years. On September 7 and 8 it damaged 90 percent of the homes in Grenada and killed at least 16 people as it swept over Grenada, Barbados and the other islands in the area. By Thursday morning on September 9, Ivan's sustained winds reached 160 mph making it a rare category 5 hurricane on the Saffir-Simpson scale. By Monday September 13, Ivan is blamed for 67 deaths and skirts western Cuba with winds clocked at 156 mph. The National Hurricane Center predicted the eye of Ivan will make landfall across Mobile Bay in Alabama late Wednesday or early Thursday. These images of Hurricane Ivan were acquired by the AIRS infrared, microwave, and visible sensors on September 15 at 1:30 pm local time as the storm moves in to Alabama. Ivan at category 4 strength is about 150 miles south of Mobile, Alabama and is moving north at 14 mph. Maximum sustained winds are reported to be at 135 mph and extend 105 miles from the center, while tropical storm-force winds extend 290 miles from the center. Ivan pounded the Gulf coast all day Wednesday, and is expected to make landfall between midnight and 3am in Mobile Bay, Alabama. This image shows how the storm looks through an AIRS Infrared window channel, and reveals a very large eye - about 75 km (50 miles) across. Window channels measure the temperature of the cloud tops or the surface of the Earth in cloud-free regions. The lowest temperatures are associated with high, cold cloud tops that make up the top of the hurricane. The infrared signal does not penetrate through clouds, so the purple color indicates the cool cloud tops of the storm. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Cooler areas are pushing to purple and warmer areas are pushing to red. The microwave image (figure 2) reveals where the heaviest precipitation in Ivan is taking place. The blue areas within the storm show the location of this heavy precipitation. Blue areas outside of the storm where there are moderate or no clouds are where the cold (in the microwave sense) sea surface shines through. The image shows that the largest area of intense convection/precipitation is in the NE quadrant, centered near New Orleans. There is a smaller but still quite intense area in the SE quadrant trailing the center of the storm that might impact the Alabama coast. Image Journal, September 13, Friday, 1:30 pm. - visible/near-infrared The Atmospheric Infrared Sounder Experiment, with its visible, infrared, and microwave detectors, provides a three-dimensional look at Earth's weather. Working in tandem, the three instruments can make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-D map of atmospheric temperature and humidity and provides information on clouds, greenhouse gases, and many other atmospheric phenomena. The AIRS Infrared Sounder Experiment flies onboard NASA's Aqua spacecraft and is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., under contract to NASA. JPL is a division of the California Institute of Technology in Pasadena., September 7, Tuesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 7, Tuesday, 1:30 am. - microwave, 89GHz September 8, Wednesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 8, Wednesday, 1:30 am. - microwave, 89GHz September 10, Friday, 1:30 pm. - infrared, 12micron Ivan closes in on Jamaica. With only 85 miles between the storm and the island, Ivan's winds at category 4 are sustained at 145 mph (230 km/hr). Hurricane-strength winds extend up to 60 miles from the center of Ivan, and tropical-storm force winds are up to 175 miles from the center. Ivan is now better organized and has a well-defined eye. After Ivan leaves Jamaica, it is expected to hit western Cuba, probably making landfall later Sunday as a CAT 4 hurricane. September 10, Friday, 1:30 pm. - microwave, 89GHz September 10, Friday, 1:30 pm. - visible/near-infrared September 13, Friday, 1:30 pm. - infrared, 12micron Ivan's winds at category 5 strength are sustained at 160 mph (260 km/hr) and extend out to 105 miles from the center. Tropical-storm force winds are up to 205 miles from the center. The infrared image shows that the eye has grown quite large - perhaps 40 km (25 miles) across - which is sometimes an indication of weakening but may not be in this case. The surface pressure at the time of this image was estimated by the National Hurricane Center at 915 mb and falling - consistent with a very intense and strengthening hurricane. September 13, Friday, 1:30 pm. - microwave, 89GHz The microwave image shows that Ivan has again developed two distinct convective centers, separated by about 250 km. That pattern developed on September 5 and persisted for 4 days. It disappeared while the storm was passing over Jamaica, but it has now re-formed.
Hurricane Ivan as Observed b …
PIA00431
Sol (our sun)
Atmospheric Infrared Sounder …
Title Hurricane Ivan as Observed by NASA's Spaceborne Atmospheric Infrared Sounder (AIRS)
Original Caption Released with Image Hurricane Ivan is the most powerful hurricane to hit the Caribbean in 10 years. On September 7 and 8 it damaged 90 percent of the homes in Grenada and killed at least 16 people as it swept over Grenada, Barbados and the other islands in the area. By Thursday morning on September 9, Ivan's sustained winds reached 160 mph making it a rare category 5 hurricane on the Saffir-Simpson scale. By Monday September 13, Ivan is blamed for 67 deaths and skirts western Cuba with winds clocked at 156 mph. The National Hurricane Center predicted the eye of Ivan will make landfall across Mobile Bay in Alabama late Wednesday or early Thursday. These images of Hurricane Ivan were acquired by the AIRS infrared, microwave, and visible sensors on September 15 at 1:30 pm local time as the storm moves in to Alabama. Ivan at category 4 strength is about 150 miles south of Mobile, Alabama and is moving north at 14 mph. Maximum sustained winds are reported to be at 135 mph and extend 105 miles from the center, while tropical storm-force winds extend 290 miles from the center. Ivan pounded the Gulf coast all day Wednesday, and is expected to make landfall between midnight and 3am in Mobile Bay, Alabama. This image shows how the storm looks through an AIRS Infrared window channel, and reveals a very large eye - about 75 km (50 miles) across. Window channels measure the temperature of the cloud tops or the surface of the Earth in cloud-free regions. The lowest temperatures are associated with high, cold cloud tops that make up the top of the hurricane. The infrared signal does not penetrate through clouds, so the purple color indicates the cool cloud tops of the storm. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Cooler areas are pushing to purple and warmer areas are pushing to red. The microwave image (figure 2) reveals where the heaviest precipitation in Ivan is taking place. The blue areas within the storm show the location of this heavy precipitation. Blue areas outside of the storm where there are moderate or no clouds are where the cold (in the microwave sense) sea surface shines through. The image shows that the largest area of intense convection/precipitation is in the NE quadrant, centered near New Orleans. There is a smaller but still quite intense area in the SE quadrant trailing the center of the storm that might impact the Alabama coast. Image Journal, September 13, Friday, 1:30 pm. - visible/near-infrared The Atmospheric Infrared Sounder Experiment, with its visible, infrared, and microwave detectors, provides a three-dimensional look at Earth's weather. Working in tandem, the three instruments can make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-D map of atmospheric temperature and humidity and provides information on clouds, greenhouse gases, and many other atmospheric phenomena. The AIRS Infrared Sounder Experiment flies onboard NASA's Aqua spacecraft and is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., under contract to NASA. JPL is a division of the California Institute of Technology in Pasadena., September 7, Tuesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 7, Tuesday, 1:30 am. - microwave, 89GHz September 8, Wednesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 8, Wednesday, 1:30 am. - microwave, 89GHz September 10, Friday, 1:30 pm. - infrared, 12micron Ivan closes in on Jamaica. With only 85 miles between the storm and the island, Ivan's winds at category 4 are sustained at 145 mph (230 km/hr). Hurricane-strength winds extend up to 60 miles from the center of Ivan, and tropical-storm force winds are up to 175 miles from the center. Ivan is now better organized and has a well-defined eye. After Ivan leaves Jamaica, it is expected to hit western Cuba, probably making landfall later Sunday as a CAT 4 hurricane. September 10, Friday, 1:30 pm. - microwave, 89GHz September 10, Friday, 1:30 pm. - visible/near-infrared September 13, Friday, 1:30 pm. - infrared, 12micron Ivan's winds at category 5 strength are sustained at 160 mph (260 km/hr) and extend out to 105 miles from the center. Tropical-storm force winds are up to 205 miles from the center. The infrared image shows that the eye has grown quite large - perhaps 40 km (25 miles) across - which is sometimes an indication of weakening but may not be in this case. The surface pressure at the time of this image was estimated by the National Hurricane Center at 915 mb and falling - consistent with a very intense and strengthening hurricane. September 13, Friday, 1:30 pm. - microwave, 89GHz The microwave image shows that Ivan has again developed two distinct convective centers, separated by about 250 km. That pattern developed on September 5 and persisted for 4 days. It disappeared while the storm was passing over Jamaica, but it has now re-formed.
Hurricane Ivan as Observed b …
PIA00431
Sol (our sun)
Atmospheric Infrared Sounder …
Title Hurricane Ivan as Observed by NASA's Spaceborne Atmospheric Infrared Sounder (AIRS)
Original Caption Released with Image Hurricane Ivan is the most powerful hurricane to hit the Caribbean in 10 years. On September 7 and 8 it damaged 90 percent of the homes in Grenada and killed at least 16 people as it swept over Grenada, Barbados and the other islands in the area. By Thursday morning on September 9, Ivan's sustained winds reached 160 mph making it a rare category 5 hurricane on the Saffir-Simpson scale. By Monday September 13, Ivan is blamed for 67 deaths and skirts western Cuba with winds clocked at 156 mph. The National Hurricane Center predicted the eye of Ivan will make landfall across Mobile Bay in Alabama late Wednesday or early Thursday. These images of Hurricane Ivan were acquired by the AIRS infrared, microwave, and visible sensors on September 15 at 1:30 pm local time as the storm moves in to Alabama. Ivan at category 4 strength is about 150 miles south of Mobile, Alabama and is moving north at 14 mph. Maximum sustained winds are reported to be at 135 mph and extend 105 miles from the center, while tropical storm-force winds extend 290 miles from the center. Ivan pounded the Gulf coast all day Wednesday, and is expected to make landfall between midnight and 3am in Mobile Bay, Alabama. This image shows how the storm looks through an AIRS Infrared window channel, and reveals a very large eye - about 75 km (50 miles) across. Window channels measure the temperature of the cloud tops or the surface of the Earth in cloud-free regions. The lowest temperatures are associated with high, cold cloud tops that make up the top of the hurricane. The infrared signal does not penetrate through clouds, so the purple color indicates the cool cloud tops of the storm. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Cooler areas are pushing to purple and warmer areas are pushing to red. The microwave image (figure 2) reveals where the heaviest precipitation in Ivan is taking place. The blue areas within the storm show the location of this heavy precipitation. Blue areas outside of the storm where there are moderate or no clouds are where the cold (in the microwave sense) sea surface shines through. The image shows that the largest area of intense convection/precipitation is in the NE quadrant, centered near New Orleans. There is a smaller but still quite intense area in the SE quadrant trailing the center of the storm that might impact the Alabama coast. Image Journal, September 13, Friday, 1:30 pm. - visible/near-infrared The Atmospheric Infrared Sounder Experiment, with its visible, infrared, and microwave detectors, provides a three-dimensional look at Earth's weather. Working in tandem, the three instruments can make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-D map of atmospheric temperature and humidity and provides information on clouds, greenhouse gases, and many other atmospheric phenomena. The AIRS Infrared Sounder Experiment flies onboard NASA's Aqua spacecraft and is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., under contract to NASA. JPL is a division of the California Institute of Technology in Pasadena., September 7, Tuesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 7, Tuesday, 1:30 am. - microwave, 89GHz September 8, Wednesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 8, Wednesday, 1:30 am. - microwave, 89GHz September 10, Friday, 1:30 pm. - infrared, 12micron Ivan closes in on Jamaica. With only 85 miles between the storm and the island, Ivan's winds at category 4 are sustained at 145 mph (230 km/hr). Hurricane-strength winds extend up to 60 miles from the center of Ivan, and tropical-storm force winds are up to 175 miles from the center. Ivan is now better organized and has a well-defined eye. After Ivan leaves Jamaica, it is expected to hit western Cuba, probably making landfall later Sunday as a CAT 4 hurricane. September 10, Friday, 1:30 pm. - microwave, 89GHz September 10, Friday, 1:30 pm. - visible/near-infrared September 13, Friday, 1:30 pm. - infrared, 12micron Ivan's winds at category 5 strength are sustained at 160 mph (260 km/hr) and extend out to 105 miles from the center. Tropical-storm force winds are up to 205 miles from the center. The infrared image shows that the eye has grown quite large - perhaps 40 km (25 miles) across - which is sometimes an indication of weakening but may not be in this case. The surface pressure at the time of this image was estimated by the National Hurricane Center at 915 mb and falling - consistent with a very intense and strengthening hurricane. September 13, Friday, 1:30 pm. - microwave, 89GHz The microwave image shows that Ivan has again developed two distinct convective centers, separated by about 250 km. That pattern developed on September 5 and persisted for 4 days. It disappeared while the storm was passing over Jamaica, but it has now re-formed.
Hurricane Ivan as Observed b …
PIA00431
Sol (our sun)
Atmospheric Infrared Sounder …
Title Hurricane Ivan as Observed by NASA's Spaceborne Atmospheric Infrared Sounder (AIRS)
Original Caption Released with Image Hurricane Ivan is the most powerful hurricane to hit the Caribbean in 10 years. On September 7 and 8 it damaged 90 percent of the homes in Grenada and killed at least 16 people as it swept over Grenada, Barbados and the other islands in the area. By Thursday morning on September 9, Ivan's sustained winds reached 160 mph making it a rare category 5 hurricane on the Saffir-Simpson scale. By Monday September 13, Ivan is blamed for 67 deaths and skirts western Cuba with winds clocked at 156 mph. The National Hurricane Center predicted the eye of Ivan will make landfall across Mobile Bay in Alabama late Wednesday or early Thursday. These images of Hurricane Ivan were acquired by the AIRS infrared, microwave, and visible sensors on September 15 at 1:30 pm local time as the storm moves in to Alabama. Ivan at category 4 strength is about 150 miles south of Mobile, Alabama and is moving north at 14 mph. Maximum sustained winds are reported to be at 135 mph and extend 105 miles from the center, while tropical storm-force winds extend 290 miles from the center. Ivan pounded the Gulf coast all day Wednesday, and is expected to make landfall between midnight and 3am in Mobile Bay, Alabama. This image shows how the storm looks through an AIRS Infrared window channel, and reveals a very large eye - about 75 km (50 miles) across. Window channels measure the temperature of the cloud tops or the surface of the Earth in cloud-free regions. The lowest temperatures are associated with high, cold cloud tops that make up the top of the hurricane. The infrared signal does not penetrate through clouds, so the purple color indicates the cool cloud tops of the storm. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Cooler areas are pushing to purple and warmer areas are pushing to red. The microwave image (figure 2) reveals where the heaviest precipitation in Ivan is taking place. The blue areas within the storm show the location of this heavy precipitation. Blue areas outside of the storm where there are moderate or no clouds are where the cold (in the microwave sense) sea surface shines through. The image shows that the largest area of intense convection/precipitation is in the NE quadrant, centered near New Orleans. There is a smaller but still quite intense area in the SE quadrant trailing the center of the storm that might impact the Alabama coast. Image Journal, September 13, Friday, 1:30 pm. - visible/near-infrared The Atmospheric Infrared Sounder Experiment, with its visible, infrared, and microwave detectors, provides a three-dimensional look at Earth's weather. Working in tandem, the three instruments can make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-D map of atmospheric temperature and humidity and provides information on clouds, greenhouse gases, and many other atmospheric phenomena. The AIRS Infrared Sounder Experiment flies onboard NASA's Aqua spacecraft and is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., under contract to NASA. JPL is a division of the California Institute of Technology in Pasadena., September 7, Tuesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 7, Tuesday, 1:30 am. - microwave, 89GHz September 8, Wednesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 8, Wednesday, 1:30 am. - microwave, 89GHz September 10, Friday, 1:30 pm. - infrared, 12micron Ivan closes in on Jamaica. With only 85 miles between the storm and the island, Ivan's winds at category 4 are sustained at 145 mph (230 km/hr). Hurricane-strength winds extend up to 60 miles from the center of Ivan, and tropical-storm force winds are up to 175 miles from the center. Ivan is now better organized and has a well-defined eye. After Ivan leaves Jamaica, it is expected to hit western Cuba, probably making landfall later Sunday as a CAT 4 hurricane. September 10, Friday, 1:30 pm. - microwave, 89GHz September 10, Friday, 1:30 pm. - visible/near-infrared September 13, Friday, 1:30 pm. - infrared, 12micron Ivan's winds at category 5 strength are sustained at 160 mph (260 km/hr) and extend out to 105 miles from the center. Tropical-storm force winds are up to 205 miles from the center. The infrared image shows that the eye has grown quite large - perhaps 40 km (25 miles) across - which is sometimes an indication of weakening but may not be in this case. The surface pressure at the time of this image was estimated by the National Hurricane Center at 915 mb and falling - consistent with a very intense and strengthening hurricane. September 13, Friday, 1:30 pm. - microwave, 89GHz The microwave image shows that Ivan has again developed two distinct convective centers, separated by about 250 km. That pattern developed on September 5 and persisted for 4 days. It disappeared while the storm was passing over Jamaica, but it has now re-formed.
Hurricane Ivan as Observed b …
PIA00431
Sol (our sun)
Atmospheric Infrared Sounder …
Title Hurricane Ivan as Observed by NASA's Spaceborne Atmospheric Infrared Sounder (AIRS)
Original Caption Released with Image Hurricane Ivan is the most powerful hurricane to hit the Caribbean in 10 years. On September 7 and 8 it damaged 90 percent of the homes in Grenada and killed at least 16 people as it swept over Grenada, Barbados and the other islands in the area. By Thursday morning on September 9, Ivan's sustained winds reached 160 mph making it a rare category 5 hurricane on the Saffir-Simpson scale. By Monday September 13, Ivan is blamed for 67 deaths and skirts western Cuba with winds clocked at 156 mph. The National Hurricane Center predicted the eye of Ivan will make landfall across Mobile Bay in Alabama late Wednesday or early Thursday. These images of Hurricane Ivan were acquired by the AIRS infrared, microwave, and visible sensors on September 15 at 1:30 pm local time as the storm moves in to Alabama. Ivan at category 4 strength is about 150 miles south of Mobile, Alabama and is moving north at 14 mph. Maximum sustained winds are reported to be at 135 mph and extend 105 miles from the center, while tropical storm-force winds extend 290 miles from the center. Ivan pounded the Gulf coast all day Wednesday, and is expected to make landfall between midnight and 3am in Mobile Bay, Alabama. This image shows how the storm looks through an AIRS Infrared window channel, and reveals a very large eye - about 75 km (50 miles) across. Window channels measure the temperature of the cloud tops or the surface of the Earth in cloud-free regions. The lowest temperatures are associated with high, cold cloud tops that make up the top of the hurricane. The infrared signal does not penetrate through clouds, so the purple color indicates the cool cloud tops of the storm. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Cooler areas are pushing to purple and warmer areas are pushing to red. The microwave image (figure 2) reveals where the heaviest precipitation in Ivan is taking place. The blue areas within the storm show the location of this heavy precipitation. Blue areas outside of the storm where there are moderate or no clouds are where the cold (in the microwave sense) sea surface shines through. The image shows that the largest area of intense convection/precipitation is in the NE quadrant, centered near New Orleans. There is a smaller but still quite intense area in the SE quadrant trailing the center of the storm that might impact the Alabama coast. Image Journal, September 13, Friday, 1:30 pm. - visible/near-infrared The Atmospheric Infrared Sounder Experiment, with its visible, infrared, and microwave detectors, provides a three-dimensional look at Earth's weather. Working in tandem, the three instruments can make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-D map of atmospheric temperature and humidity and provides information on clouds, greenhouse gases, and many other atmospheric phenomena. The AIRS Infrared Sounder Experiment flies onboard NASA's Aqua spacecraft and is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., under contract to NASA. JPL is a division of the California Institute of Technology in Pasadena., September 7, Tuesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 7, Tuesday, 1:30 am. - microwave, 89GHz September 8, Wednesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 8, Wednesday, 1:30 am. - microwave, 89GHz September 10, Friday, 1:30 pm. - infrared, 12micron Ivan closes in on Jamaica. With only 85 miles between the storm and the island, Ivan's winds at category 4 are sustained at 145 mph (230 km/hr). Hurricane-strength winds extend up to 60 miles from the center of Ivan, and tropical-storm force winds are up to 175 miles from the center. Ivan is now better organized and has a well-defined eye. After Ivan leaves Jamaica, it is expected to hit western Cuba, probably making landfall later Sunday as a CAT 4 hurricane. September 10, Friday, 1:30 pm. - microwave, 89GHz September 10, Friday, 1:30 pm. - visible/near-infrared September 13, Friday, 1:30 pm. - infrared, 12micron Ivan's winds at category 5 strength are sustained at 160 mph (260 km/hr) and extend out to 105 miles from the center. Tropical-storm force winds are up to 205 miles from the center. The infrared image shows that the eye has grown quite large - perhaps 40 km (25 miles) across - which is sometimes an indication of weakening but may not be in this case. The surface pressure at the time of this image was estimated by the National Hurricane Center at 915 mb and falling - consistent with a very intense and strengthening hurricane. September 13, Friday, 1:30 pm. - microwave, 89GHz The microwave image shows that Ivan has again developed two distinct convective centers, separated by about 250 km. That pattern developed on September 5 and persisted for 4 days. It disappeared while the storm was passing over Jamaica, but it has now re-formed.
Hurricane Ivan as Observed b …
PIA00431
Sol (our sun)
Atmospheric Infrared Sounder …
Title Hurricane Ivan as Observed by NASA's Spaceborne Atmospheric Infrared Sounder (AIRS)
Original Caption Released with Image Hurricane Ivan is the most powerful hurricane to hit the Caribbean in 10 years. On September 7 and 8 it damaged 90 percent of the homes in Grenada and killed at least 16 people as it swept over Grenada, Barbados and the other islands in the area. By Thursday morning on September 9, Ivan's sustained winds reached 160 mph making it a rare category 5 hurricane on the Saffir-Simpson scale. By Monday September 13, Ivan is blamed for 67 deaths and skirts western Cuba with winds clocked at 156 mph. The National Hurricane Center predicted the eye of Ivan will make landfall across Mobile Bay in Alabama late Wednesday or early Thursday. These images of Hurricane Ivan were acquired by the AIRS infrared, microwave, and visible sensors on September 15 at 1:30 pm local time as the storm moves in to Alabama. Ivan at category 4 strength is about 150 miles south of Mobile, Alabama and is moving north at 14 mph. Maximum sustained winds are reported to be at 135 mph and extend 105 miles from the center, while tropical storm-force winds extend 290 miles from the center. Ivan pounded the Gulf coast all day Wednesday, and is expected to make landfall between midnight and 3am in Mobile Bay, Alabama. This image shows how the storm looks through an AIRS Infrared window channel, and reveals a very large eye - about 75 km (50 miles) across. Window channels measure the temperature of the cloud tops or the surface of the Earth in cloud-free regions. The lowest temperatures are associated with high, cold cloud tops that make up the top of the hurricane. The infrared signal does not penetrate through clouds, so the purple color indicates the cool cloud tops of the storm. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Cooler areas are pushing to purple and warmer areas are pushing to red. The microwave image (figure 2) reveals where the heaviest precipitation in Ivan is taking place. The blue areas within the storm show the location of this heavy precipitation. Blue areas outside of the storm where there are moderate or no clouds are where the cold (in the microwave sense) sea surface shines through. The image shows that the largest area of intense convection/precipitation is in the NE quadrant, centered near New Orleans. There is a smaller but still quite intense area in the SE quadrant trailing the center of the storm that might impact the Alabama coast. Image Journal, September 13, Friday, 1:30 pm. - visible/near-infrared The Atmospheric Infrared Sounder Experiment, with its visible, infrared, and microwave detectors, provides a three-dimensional look at Earth's weather. Working in tandem, the three instruments can make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-D map of atmospheric temperature and humidity and provides information on clouds, greenhouse gases, and many other atmospheric phenomena. The AIRS Infrared Sounder Experiment flies onboard NASA's Aqua spacecraft and is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., under contract to NASA. JPL is a division of the California Institute of Technology in Pasadena., September 7, Tuesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 7, Tuesday, 1:30 am. - microwave, 89GHz September 8, Wednesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 8, Wednesday, 1:30 am. - microwave, 89GHz September 10, Friday, 1:30 pm. - infrared, 12micron Ivan closes in on Jamaica. With only 85 miles between the storm and the island, Ivan's winds at category 4 are sustained at 145 mph (230 km/hr). Hurricane-strength winds extend up to 60 miles from the center of Ivan, and tropical-storm force winds are up to 175 miles from the center. Ivan is now better organized and has a well-defined eye. After Ivan leaves Jamaica, it is expected to hit western Cuba, probably making landfall later Sunday as a CAT 4 hurricane. September 10, Friday, 1:30 pm. - microwave, 89GHz September 10, Friday, 1:30 pm. - visible/near-infrared September 13, Friday, 1:30 pm. - infrared, 12micron Ivan's winds at category 5 strength are sustained at 160 mph (260 km/hr) and extend out to 105 miles from the center. Tropical-storm force winds are up to 205 miles from the center. The infrared image shows that the eye has grown quite large - perhaps 40 km (25 miles) across - which is sometimes an indication of weakening but may not be in this case. The surface pressure at the time of this image was estimated by the National Hurricane Center at 915 mb and falling - consistent with a very intense and strengthening hurricane. September 13, Friday, 1:30 pm. - microwave, 89GHz The microwave image shows that Ivan has again developed two distinct convective centers, separated by about 250 km. That pattern developed on September 5 and persisted for 4 days. It disappeared while the storm was passing over Jamaica, but it has now re-formed.
Hurricane Ivan as Observed b …
PIA00431
Sol (our sun)
Atmospheric Infrared Sounder …
Title Hurricane Ivan as Observed by NASA's Spaceborne Atmospheric Infrared Sounder (AIRS)
Original Caption Released with Image Hurricane Ivan is the most powerful hurricane to hit the Caribbean in 10 years. On September 7 and 8 it damaged 90 percent of the homes in Grenada and killed at least 16 people as it swept over Grenada, Barbados and the other islands in the area. By Thursday morning on September 9, Ivan's sustained winds reached 160 mph making it a rare category 5 hurricane on the Saffir-Simpson scale. By Monday September 13, Ivan is blamed for 67 deaths and skirts western Cuba with winds clocked at 156 mph. The National Hurricane Center predicted the eye of Ivan will make landfall across Mobile Bay in Alabama late Wednesday or early Thursday. These images of Hurricane Ivan were acquired by the AIRS infrared, microwave, and visible sensors on September 15 at 1:30 pm local time as the storm moves in to Alabama. Ivan at category 4 strength is about 150 miles south of Mobile, Alabama and is moving north at 14 mph. Maximum sustained winds are reported to be at 135 mph and extend 105 miles from the center, while tropical storm-force winds extend 290 miles from the center. Ivan pounded the Gulf coast all day Wednesday, and is expected to make landfall between midnight and 3am in Mobile Bay, Alabama. This image shows how the storm looks through an AIRS Infrared window channel, and reveals a very large eye - about 75 km (50 miles) across. Window channels measure the temperature of the cloud tops or the surface of the Earth in cloud-free regions. The lowest temperatures are associated with high, cold cloud tops that make up the top of the hurricane. The infrared signal does not penetrate through clouds, so the purple color indicates the cool cloud tops of the storm. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Cooler areas are pushing to purple and warmer areas are pushing to red. The microwave image (figure 2) reveals where the heaviest precipitation in Ivan is taking place. The blue areas within the storm show the location of this heavy precipitation. Blue areas outside of the storm where there are moderate or no clouds are where the cold (in the microwave sense) sea surface shines through. The image shows that the largest area of intense convection/precipitation is in the NE quadrant, centered near New Orleans. There is a smaller but still quite intense area in the SE quadrant trailing the center of the storm that might impact the Alabama coast. Image Journal, September 13, Friday, 1:30 pm. - visible/near-infrared The Atmospheric Infrared Sounder Experiment, with its visible, infrared, and microwave detectors, provides a three-dimensional look at Earth's weather. Working in tandem, the three instruments can make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-D map of atmospheric temperature and humidity and provides information on clouds, greenhouse gases, and many other atmospheric phenomena. The AIRS Infrared Sounder Experiment flies onboard NASA's Aqua spacecraft and is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., under contract to NASA. JPL is a division of the California Institute of Technology in Pasadena., September 7, Tuesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 7, Tuesday, 1:30 am. - microwave, 89GHz September 8, Wednesday, 1:30 am. - infrared, 12micron The infrared signal does not penetrate through clouds, so the purple color reveals the cool cloud tops of the hurricane. In cloud-free areas, the infrared signal is retrieved at the Earth's surface, revealing warmer temperatures. Ivan becomes better organized as it approaches the Windward Islands. The center of the storm is 170 miles (275 km) southeast of Barbados and moving west at 21 mph (33 km/hr). Maximum sustained winds near 105 mph which extend outward at this force for 70 miles (110 km). September 8, Wednesday, 1:30 am. - microwave, 89GHz September 10, Friday, 1:30 pm. - infrared, 12micron Ivan closes in on Jamaica. With only 85 miles between the storm and the island, Ivan's winds at category 4 are sustained at 145 mph (230 km/hr). Hurricane-strength winds extend up to 60 miles from the center of Ivan, and tropical-storm force winds are up to 175 miles from the center. Ivan is now better organized and has a well-defined eye. After Ivan leaves Jamaica, it is expected to hit western Cuba, probably making landfall later Sunday as a CAT 4 hurricane. September 10, Friday, 1:30 pm. - microwave, 89GHz September 10, Friday, 1:30 pm. - visible/near-infrared September 13, Friday, 1:30 pm. - infrared, 12micron Ivan's winds at category 5 strength are sustained at 160 mph (260 km/hr) and extend out to 105 miles from the center. Tropical-storm force winds are up to 205 miles from the center. The infrared image shows that the eye has grown quite large - perhaps 40 km (25 miles) across - which is sometimes an indication of weakening but may not be in this case. The surface pressure at the time of this image was estimated by the National Hurricane Center at 915 mb and falling - consistent with a very intense and strengthening hurricane. September 13, Friday, 1:30 pm. - microwave, 89GHz The microwave image shows that Ivan has again developed two distinct convective centers, separated by about 250 km. That pattern developed on September 5 and persisted for 4 days. It disappeared while the storm was passing over Jamaica, but it has now re-formed.
Hurricane Isabel
PIA00428
Sol (our sun)
Atmospheric Infrared Sounder …
Title Hurricane Isabel
Original Caption Released with Image Figure 1: AIRS infrared channel 2333 (2616 cm-1), Figure 2: Total Water Vapor retrieved from AIRS infrared and AMSU-A microwave data September 18, 2003 These two false-color images show Hurricane Isabel viewed by the AIRS and AMSU-A instruments at 1:30 EDT in the morning of Thursday September 18, 2003. Isabel will be ashore within 12 hours, bringing widespread flooding and destructive winds. In figure 1 on the left, data retrieved by the AIRS infrared sensor shows the hurricane's eye as the small ring of pale blue near the upper left corner of the image. The dark blue band around the eye shows the cold tops of hundreds of powerful thunderstorms. These storms are embedded in the 120 mile per hour winds swirling counterclockwise around Isabel's eye. Cape Hatteras is the finger of land north-northwest of the eye. Isabel's winds will soon push ashore a 4- to 8-foot high mound of 'storm surge' and accompanying high surf, leading to flooding of Cape Hatteras and other islands of North Carolina's Outer Banks. Also seen in the image are several organized bands of cold, (blue) thunderstorm tops being pulled into the storm center. Other thunderstorm are forming north of the islands of Jamaica, Cuba, Hispaniola and Puerto Rico near the bottom of the picture. Figure 2 shows the geographical distribution and total amount of atmospheric water vapor associated with Isabel as inferred by AIRS and AMSU-A. Very humid areas appear deep red and surround the storm's eye in the ring of thunderstorms, as seen above. The enhancement of atmospheric water vapor in the storm is maintained by evaporation from the wind-churned sea surface. In turn, the water vapor powers the thunderstorms by condensing as rain and releasing the ocean's warmth into the atmosphere to drive strong convection. This makes Isabel and other hurricanes 'heat engines,' converting ocean water's warmth into atmospheric gales. Isabel is weakening as it move ashore and loses its supply of energy from warm water, but not before raining an expected 6-12 inch thick layer of its water over an area extending from South Carolina and New England to the midwest and southern Canada. Paler blue areas in the water vapor image show less humid heights of the atmosphere, which are associated with the colder thunderstorm tops seen in the infrared image. The Atmospheric Infrared Sounder Experiment, with its visible, infrared, and microwave detectors, provides a three-dimensional look at Earth's weather. Working in tandem, the three instruments can make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-D map of atmospheric temperature and humidity and provides information on clouds, greenhouse gases, and many other atmospheric phenomena. The AIRS Infrared Sounder Experiment flies onboard NASA's Aqua spacecraft and is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., under contract to NASA., JPL is a division of the California Institute of Technology in Pasadena
Hurricane Isabel
PIA00428
Sol (our sun)
Atmospheric Infrared Sounder …
Title Hurricane Isabel
Original Caption Released with Image Figure 1: AIRS infrared channel 2333 (2616 cm-1), Figure 2: Total Water Vapor retrieved from AIRS infrared and AMSU-A microwave data September 18, 2003 These two false-color images show Hurricane Isabel viewed by the AIRS and AMSU-A instruments at 1:30 EDT in the morning of Thursday September 18, 2003. Isabel will be ashore within 12 hours, bringing widespread flooding and destructive winds. In figure 1 on the left, data retrieved by the AIRS infrared sensor shows the hurricane's eye as the small ring of pale blue near the upper left corner of the image. The dark blue band around the eye shows the cold tops of hundreds of powerful thunderstorms. These storms are embedded in the 120 mile per hour winds swirling counterclockwise around Isabel's eye. Cape Hatteras is the finger of land north-northwest of the eye. Isabel's winds will soon push ashore a 4- to 8-foot high mound of 'storm surge' and accompanying high surf, leading to flooding of Cape Hatteras and other islands of North Carolina's Outer Banks. Also seen in the image are several organized bands of cold, (blue) thunderstorm tops being pulled into the storm center. Other thunderstorm are forming north of the islands of Jamaica, Cuba, Hispaniola and Puerto Rico near the bottom of the picture. Figure 2 shows the geographical distribution and total amount of atmospheric water vapor associated with Isabel as inferred by AIRS and AMSU-A. Very humid areas appear deep red and surround the storm's eye in the ring of thunderstorms, as seen above. The enhancement of atmospheric water vapor in the storm is maintained by evaporation from the wind-churned sea surface. In turn, the water vapor powers the thunderstorms by condensing as rain and releasing the ocean's warmth into the atmosphere to drive strong convection. This makes Isabel and other hurricanes 'heat engines,' converting ocean water's warmth into atmospheric gales. Isabel is weakening as it move ashore and loses its supply of energy from warm water, but not before raining an expected 6-12 inch thick layer of its water over an area extending from South Carolina and New England to the midwest and southern Canada. Paler blue areas in the water vapor image show less humid heights of the atmosphere, which are associated with the colder thunderstorm tops seen in the infrared image. The Atmospheric Infrared Sounder Experiment, with its visible, infrared, and microwave detectors, provides a three-dimensional look at Earth's weather. Working in tandem, the three instruments can make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-D map of atmospheric temperature and humidity and provides information on clouds, greenhouse gases, and many other atmospheric phenomena. The AIRS Infrared Sounder Experiment flies onboard NASA's Aqua spacecraft and is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., under contract to NASA., JPL is a division of the California Institute of Technology in Pasadena
Hurricane Isabel
PIA00428
Sol (our sun)
Atmospheric Infrared Sounder …
Title Hurricane Isabel
Original Caption Released with Image Figure 1: AIRS infrared channel 2333 (2616 cm-1), Figure 2: Total Water Vapor retrieved from AIRS infrared and AMSU-A microwave data September 18, 2003 These two false-color images show Hurricane Isabel viewed by the AIRS and AMSU-A instruments at 1:30 EDT in the morning of Thursday September 18, 2003. Isabel will be ashore within 12 hours, bringing widespread flooding and destructive winds. In figure 1 on the left, data retrieved by the AIRS infrared sensor shows the hurricane's eye as the small ring of pale blue near the upper left corner of the image. The dark blue band around the eye shows the cold tops of hundreds of powerful thunderstorms. These storms are embedded in the 120 mile per hour winds swirling counterclockwise around Isabel's eye. Cape Hatteras is the finger of land north-northwest of the eye. Isabel's winds will soon push ashore a 4- to 8-foot high mound of 'storm surge' and accompanying high surf, leading to flooding of Cape Hatteras and other islands of North Carolina's Outer Banks. Also seen in the image are several organized bands of cold, (blue) thunderstorm tops being pulled into the storm center. Other thunderstorm are forming north of the islands of Jamaica, Cuba, Hispaniola and Puerto Rico near the bottom of the picture. Figure 2 shows the geographical distribution and total amount of atmospheric water vapor associated with Isabel as inferred by AIRS and AMSU-A. Very humid areas appear deep red and surround the storm's eye in the ring of thunderstorms, as seen above. The enhancement of atmospheric water vapor in the storm is maintained by evaporation from the wind-churned sea surface. In turn, the water vapor powers the thunderstorms by condensing as rain and releasing the ocean's warmth into the atmosphere to drive strong convection. This makes Isabel and other hurricanes 'heat engines,' converting ocean water's warmth into atmospheric gales. Isabel is weakening as it move ashore and loses its supply of energy from warm water, but not before raining an expected 6-12 inch thick layer of its water over an area extending from South Carolina and New England to the midwest and southern Canada. Paler blue areas in the water vapor image show less humid heights of the atmosphere, which are associated with the colder thunderstorm tops seen in the infrared image. The Atmospheric Infrared Sounder Experiment, with its visible, infrared, and microwave detectors, provides a three-dimensional look at Earth's weather. Working in tandem, the three instruments can make simultaneous observations all the way down to the Earth's surface, even in the presence of heavy clouds. With more than 2,000 channels sensing different regions of the atmosphere, the system creates a global, 3-D map of atmospheric temperature and humidity and provides information on clouds, greenhouse gases, and many other atmospheric phenomena. The AIRS Infrared Sounder Experiment flies onboard NASA's Aqua spacecraft and is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., under contract to NASA., JPL is a division of the California Institute of Technology in Pasadena
General Description International Space Station Imagery
General Description International Space Station Imagery
General Description International Space Station Imagery
Southeastern United States a …
Title Southeastern United States and Caribbean Sea from Apollo 8 spacecraft
Description Most of the southeastern United States and Caribbean Sea, the U.S. coastline from Chesapeake Bay to the Florida peninsula can be seen from the Apollo 8 spacecraft in orbit above the Earth. The Bahamas and the Islands of Cuba, Jamaica, Hispiniola and Puerto Rico extend across the Caribbean. The light blue of the shallow Bahama banks contrasts with the darker hue of the deeper water especially in the Tongue of the Ocean area.
Date Taken 1968-12-22
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