|
|
Hurricane Ivan Rainfall Stru
| Title |
Hurricane Ivan Rainfall Structure with Cloud Overlay on September 16, 2004 |
| Abstract |
NASA's TRMM spacecraft is used by meteorologists to understand Hurricane Ivan. TRMM observed this view of Hurricane Ivan as the storm made landfall on September 16, 2004. The cloud cover is taken by TRMM's Visible and Infrared Scanner(VIRS). The rain structure is taken by TRMM's Tropical Microwave Imager (TMI). It looks underneath of the storm's clouds to reveal the underlying rain structure. 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 inches of rain and red is at least 2.0 inches of rain per hour. |
| Completed |
2005-06-03 |
|
Hurricane Ivan Rainfall Stru
| Title |
Hurricane Ivan Rainfall Structure with Cloud Overlay on September 16, 2004 |
| Abstract |
NASA's TRMM spacecraft is used by meteorologists to understand Hurricane Ivan. TRMM observed this view of Hurricane Ivan as the storm made landfall on September 16, 2004. The cloud cover is taken by TRMM's Visible and Infrared Scanner(VIRS). The rain structure is taken by TRMM's Tropical Microwave Imager (TMI). It looks underneath of the storm's clouds to reveal the underlying rain structure. 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 inches of rain and red is at least 2.0 inches of rain per hour. |
| Completed |
2005-06-03 |
|
Global Atmospheric Surface P
| Title |
Global Atmospheric Surface Pressure during Hurricane Frances (WMS) |
| Abstract |
The weight of the Earth's atmosphere exerts pressure on the surface of the Earth. This pressure varies from place-to-place due the variations in the Earth's surface since higher altitudes have less atmosphere above them than lower altitudes. Atmospheric pressure also varies from time-to-time due to the uneven heating of the atmosphere by the sun and the rotation of the Earth, causing weather. This animation shows the atmospheric surface pressure for the whole globe from September 1, 2004, through September 5, 2004, during the period of Hurricane Frances in the western Atlantic Ocean and Typhoon Songda in the western Pacific Ocean. The major changes in pressure occur over land where the surface altitude varies, but the sharp, moving low pressures areas for Frances and Songda can be clearly seen in the oceans. Since changing surface pressure areas over land are hard to see in these images due to the strong altitude variations, plots of the atmospheric surface pressure are almost never used to study the weather. A different plot, of sea-level pressure, is used instead. |
| Completed |
2005-07-25 |
|
Global Atmospheric Surface P
| Title |
Global Atmospheric Surface Pressure during Hurricane Frances (WMS) |
| Abstract |
The weight of the Earth's atmosphere exerts pressure on the surface of the Earth. This pressure varies from place-to-place due the variations in the Earth's surface since higher altitudes have less atmosphere above them than lower altitudes. Atmospheric pressure also varies from time-to-time due to the uneven heating of the atmosphere by the sun and the rotation of the Earth, causing weather. This animation shows the atmospheric surface pressure for the whole globe from September 1, 2004, through September 5, 2004, during the period of Hurricane Frances in the western Atlantic Ocean and Typhoon Songda in the western Pacific Ocean. The major changes in pressure occur over land where the surface altitude varies, but the sharp, moving low pressures areas for Frances and Songda can be clearly seen in the oceans. Since changing surface pressure areas over land are hard to see in these images due to the strong altitude variations, plots of the atmospheric surface pressure are almost never used to study the weather. A different plot, of sea-level pressure, is used instead. |
| Completed |
2005-07-25 |
|
Global Surface Air Temperatu
| Title |
Global Surface Air Temperature during Hurricane Frances (WMS) |
| Abstract |
As the Sun's energy reaches the Earth, it is either reflected, absorbed by the clouds, or absorbed by the Earth's surface. The part absorbed by the Earth's surface heats the Earth, which then heats the air just above the surface. This process occurs rapidly in the case of dry land and slowly in the case of the oceans. This animation shows the surface air temperature at an altitude of 2 meters for the whole globe from September 1, 2004, through September 5, 2004, during the period of Hurricane Frances in the western Atlantic Ocean and Typhoon Songda in the western Pacific Ocean. The animation clearly shows the air over land reacting rapidly to solar heating during the day and cooling at night, while the daily solar cyle is not visible in the temperature of the air over the ocean. A very dynamic region of changing air temperature is visible in the interaction between the cold air over Antarctica and the warmer mid-latitude air over the southern oceans during this region of polar night. Hurricane Frances and Typhhon Songda are just barely visible as circulating temperature patterns in the western Atlantic and Pacific Oceans. |
| Completed |
2005-07-25 |
|
Global Surface Air Temperatu
| Title |
Global Surface Air Temperature during Hurricane Frances (WMS) |
| Abstract |
As the Sun's energy reaches the Earth, it is either reflected, absorbed by the clouds, or absorbed by the Earth's surface. The part absorbed by the Earth's surface heats the Earth, which then heats the air just above the surface. This process occurs rapidly in the case of dry land and slowly in the case of the oceans. This animation shows the surface air temperature at an altitude of 2 meters for the whole globe from September 1, 2004, through September 5, 2004, during the period of Hurricane Frances in the western Atlantic Ocean and Typhoon Songda in the western Pacific Ocean. The animation clearly shows the air over land reacting rapidly to solar heating during the day and cooling at night, while the daily solar cyle is not visible in the temperature of the air over the ocean. A very dynamic region of changing air temperature is visible in the interaction between the cold air over Antarctica and the warmer mid-latitude air over the southern oceans during this region of polar night. Hurricane Frances and Typhhon Songda are just barely visible as circulating temperature patterns in the western Atlantic and Pacific Oceans. |
| Completed |
2005-07-25 |
|
Accumulated Rainfall during
| Title |
Accumulated Rainfall during Hurricanes Frances, Ivan, and Jeanne, 2004 (WMS) |
| Abstract |
During the hurricane season of 2004, an unprecedented four hurricanes hit Florida. This animation shows the accumulated rainfall produced by three of those hurricanes during the month of September. The animation also shows the rainfall from the typhoons in the Pacific Ocean during the same period. |
| Completed |
2004-10-22 |
|
Accumulated Rainfall during
| Title |
Accumulated Rainfall during Hurricanes Frances, Ivan, and Jeanne, 2004 (WMS) |
| Abstract |
During the hurricane season of 2004, an unprecedented four hurricanes hit Florida. This animation shows the accumulated rainfall produced by three of those hurricanes during the month of September. The animation also shows the rainfall from the typhoons in the Pacific Ocean during the same period. |
| Completed |
2004-10-22 |
|
Progression of Hurricane Jea
| Title |
Progression of Hurricane Jeanne, 2004 (WMS) |
| Abstract |
Hurricane Jeanne was the fourth hurricane to hit Florida during the 2004 hurricane season. This set of images shows the progression of the hurricane as it approached Florida from the Atlantic Ocean and the Caribbean Sea. When it hit the Florida coast on September 26, Jeanne was a Category 3 storm with sustained winds near 115 miles per hour. |
| Completed |
2004-10-22 |
|
Progression of Hurricane Jea
| Title |
Progression of Hurricane Jeanne, 2004 (WMS) |
| Abstract |
Hurricane Jeanne was the fourth hurricane to hit Florida during the 2004 hurricane season. This set of images shows the progression of the hurricane as it approached Florida from the Atlantic Ocean and the Caribbean Sea. When it hit the Florida coast on September 26, Jeanne was a Category 3 storm with sustained winds near 115 miles per hour. |
| Completed |
2004-10-22 |
|
Progression of Hurricane Jea
| Title |
Progression of Hurricane Jeanne, 2004 (WMS) |
| Abstract |
Hurricane Jeanne was the fourth hurricane to hit Florida during the 2004 hurricane season. This set of images shows the progression of the hurricane as it approached Florida from the Atlantic Ocean and the Caribbean Sea. When it hit the Florida coast on September 26, Jeanne was a Category 3 storm with sustained winds near 115 miles per hour. |
| Completed |
2004-10-22 |
|
Progression of Hurricane Jea
| Title |
Progression of Hurricane Jeanne, 2004 (WMS) |
| Abstract |
Hurricane Jeanne was the fourth hurricane to hit Florida during the 2004 hurricane season. This set of images shows the progression of the hurricane as it approached Florida from the Atlantic Ocean and the Caribbean Sea. When it hit the Florida coast on September 26, Jeanne was a Category 3 storm with sustained winds near 115 miles per hour. |
| Completed |
2004-10-22 |
|
Progression of Hurricane Jea
| Title |
Progression of Hurricane Jeanne, 2004 (WMS) |
| Abstract |
Hurricane Jeanne was the fourth hurricane to hit Florida during the 2004 hurricane season. This set of images shows the progression of the hurricane as it approached Florida from the Atlantic Ocean and the Caribbean Sea. When it hit the Florida coast on September 26, Jeanne was a Category 3 storm with sustained winds near 115 miles per hour. |
| Completed |
2004-10-22 |
|
Progression of Hurricane Jea
| Title |
Progression of Hurricane Jeanne, 2004 (WMS) |
| Abstract |
Hurricane Jeanne was the fourth hurricane to hit Florida during the 2004 hurricane season. This set of images shows the progression of the hurricane as it approached Florida from the Atlantic Ocean and the Caribbean Sea. When it hit the Florida coast on September 26, Jeanne was a Category 3 storm with sustained winds near 115 miles per hour. |
| Completed |
2004-10-22 |
|
Nitrogen Dioxide concentrati
| Title |
Nitrogen Dioxide concentration over China from September 24, 2004, to November 7, 2004 |
| Abstract |
Nitrogen dioxide, NO2, is a traffic-related pollutant. Emmisions are generally highest in urban rather than rural areas. Annual mean concentrations of nitrogen dioxide in urban areas are generally in the range 10-45 ppb, and lower in rural areas. Levels vary significantly throughout the day, with peaks generally occurring twice daily as a consequence of rush hour traffic. Concentrations can be as high as 200 ppb. Particulate matter is very fine and can be carried deep into the lungs where they can cause inflammation and a worsening of the condition of people with heart and lung disease. Further, the problem is not necessarily concentrated in the inner cities. Because many major road / motorway interchange complexes are situated in semi-rural areas, under conditions of near-stationary traffic, a rapid build-up of engine exhaust pollution can occur, which if the low-level atmospheric conditions are correct, will not be dispersed. |
| Completed |
2004-12-02 |
|
Nitrogen Dioxide concentrati
| Title |
Nitrogen Dioxide concentration over China from September 24, 2004, to November 7, 2004 |
| Abstract |
Nitrogen dioxide, NO2, is a traffic-related pollutant. Emmisions are generally highest in urban rather than rural areas. Annual mean concentrations of nitrogen dioxide in urban areas are generally in the range 10-45 ppb, and lower in rural areas. Levels vary significantly throughout the day, with peaks generally occurring twice daily as a consequence of rush hour traffic. Concentrations can be as high as 200 ppb. Particulate matter is very fine and can be carried deep into the lungs where they can cause inflammation and a worsening of the condition of people with heart and lung disease. Further, the problem is not necessarily concentrated in the inner cities. Because many major road / motorway interchange complexes are situated in semi-rural areas, under conditions of near-stationary traffic, a rapid build-up of engine exhaust pollution can occur, which if the low-level atmospheric conditions are correct, will not be dispersed. |
| Completed |
2004-12-02 |
|
Biomass Burning over South A
| Title |
Biomass Burning over South America |
| Abstract |
Biomass burning is the burning of living and dead vegetation. It includes the human-initiated burning of vegetation for land clearing and land-use change as well as natural, lightning-induced fires. Scientists estimate that humans are responsible for about 90% of biomass burning with only a small percentage of natural fires contributing to the total amount of vegetation burned. Burning vegetation releases large amounts of particulates (solid carbon combustion particles) and gases, including greenhouse gases that help warm the Earth. Studies suggest that biomass burning has increased on a global scale over the last 100 years, and computer calculations indicate that a hotter Earth resulting from global warming will lead to more frequent and larger fires. Biomass burning particulates impact climate and can also affect human health when they are inhaled, causing respiratory problems. Here are three images of South America on October 7, 2004. The first image shows clouds and fires on that day. The second image is clouds and nitrous dioxide (NO2) concentations in the stratosphere. The last image overlays the fires on the NO2 data. |
| Completed |
2004-12-09 |
|
Biomass Burning over South A
| Title |
Biomass Burning over South America |
| Abstract |
Biomass burning is the burning of living and dead vegetation. It includes the human-initiated burning of vegetation for land clearing and land-use change as well as natural, lightning-induced fires. Scientists estimate that humans are responsible for about 90% of biomass burning with only a small percentage of natural fires contributing to the total amount of vegetation burned. Burning vegetation releases large amounts of particulates (solid carbon combustion particles) and gases, including greenhouse gases that help warm the Earth. Studies suggest that biomass burning has increased on a global scale over the last 100 years, and computer calculations indicate that a hotter Earth resulting from global warming will lead to more frequent and larger fires. Biomass burning particulates impact climate and can also affect human health when they are inhaled, causing respiratory problems. Here are three images of South America on October 7, 2004. The first image shows clouds and fires on that day. The second image is clouds and nitrous dioxide (NO2) concentations in the stratosphere. The last image overlays the fires on the NO2 data. |
| Completed |
2004-12-09 |
|
Biomass Burning over South A
| Title |
Biomass Burning over South America |
| Abstract |
Biomass burning is the burning of living and dead vegetation. It includes the human-initiated burning of vegetation for land clearing and land-use change as well as natural, lightning-induced fires. Scientists estimate that humans are responsible for about 90% of biomass burning with only a small percentage of natural fires contributing to the total amount of vegetation burned. Burning vegetation releases large amounts of particulates (solid carbon combustion particles) and gases, including greenhouse gases that help warm the Earth. Studies suggest that biomass burning has increased on a global scale over the last 100 years, and computer calculations indicate that a hotter Earth resulting from global warming will lead to more frequent and larger fires. Biomass burning particulates impact climate and can also affect human health when they are inhaled, causing respiratory problems. Here are three images of South America on October 7, 2004. The first image shows clouds and fires on that day. The second image is clouds and nitrous dioxide (NO2) concentations in the stratosphere. The last image overlays the fires on the NO2 data. |
| Completed |
2004-12-09 |
|
Average Total-sky Outgoing L
| Title |
Average Total-sky Outgoing Longwave Flux (WMS) |
| Abstract |
The Earth's climate is determined by energy transfer from the sun to the Earth's land, oceans, and atmosphere. As the Earth rotates, the sun lights up only part of the Earth at a time, and some of that incoming solar energy is reflected and some is absorbed, depending on type of area it lights. The average amount of reflection and absorption is critical to the climate, because the absorbed energy heats up the Earth until it is radiated away as thermal radiation. This animation shows the monthly average outgoing longwave radiation from July, 2002 through June, 2004 as measured by the CERES instrument. This is the thermal radiation given off by the warm Earth. The Earth's rotation and the movement of warm air from the equator to the poles make the Earth roughly uniform in temperature. The most visible features are the cold poles in winter and the cold clouds along the equator which trap the outgoing thermal radiation. |
| Completed |
2005-02-01 |
|
Average Total-sky Outgoing L
| Title |
Average Total-sky Outgoing Longwave Flux (WMS) |
| Abstract |
The Earth's climate is determined by energy transfer from the sun to the Earth's land, oceans, and atmosphere. As the Earth rotates, the sun lights up only part of the Earth at a time, and some of that incoming solar energy is reflected and some is absorbed, depending on type of area it lights. The average amount of reflection and absorption is critical to the climate, because the absorbed energy heats up the Earth until it is radiated away as thermal radiation. This animation shows the monthly average outgoing longwave radiation from July, 2002 through June, 2004 as measured by the CERES instrument. This is the thermal radiation given off by the warm Earth. The Earth's rotation and the movement of warm air from the equator to the poles make the Earth roughly uniform in temperature. The most visible features are the cold poles in winter and the cold clouds along the equator which trap the outgoing thermal radiation. |
| Completed |
2005-02-01 |
|
Global Surface Latent Heat F
| Title |
Global Surface Latent Heat Flux during Hurricane Frances (WMS) |
| Abstract |
As the Sun's energy reaches the Earth, it is either reflected, absorbed by the clouds, or absorbed by the Earth's surface. The part absorbed by the surface heats the Earth, which causes surface water to evaporate to the air, particularly over oceans or moist land. Similarly, a cold surface causes water to condense from the air onto the land or ocean. Latent heat flux is the amount of energy moving from the surface to the air due to evapolation (positive values) or from the air to the land due to condensation (negative values). This animation shows the latent heat flux for the whole globe from September 1, 2004, through September 5, 2004, during the period of Hurricane Frances in the western Atlantic Ocean and Typhoon Songda in the western Pacific Ocean. The animation clearly shows the evaporation over land only during the heat of the day, while the evaporation over the ocean is continuous throughout the day. The highest positive latent heat flux occurs during hurricanes and typhoons, as these events are powered by the movement of heat energy from the warm ocean to the atmosphere, seen here in Hurricane Frances and Typhoon Songda. Significant negative latent heat flux is somewhat rare and occurs over the ocean only during certain configurations of air and surface conditions. |
| Completed |
2005-07-25 |
|
Global Surface Latent Heat F
| Title |
Global Surface Latent Heat Flux during Hurricane Frances (WMS) |
| Abstract |
As the Sun's energy reaches the Earth, it is either reflected, absorbed by the clouds, or absorbed by the Earth's surface. The part absorbed by the surface heats the Earth, which causes surface water to evaporate to the air, particularly over oceans or moist land. Similarly, a cold surface causes water to condense from the air onto the land or ocean. Latent heat flux is the amount of energy moving from the surface to the air due to evapolation (positive values) or from the air to the land due to condensation (negative values). This animation shows the latent heat flux for the whole globe from September 1, 2004, through September 5, 2004, during the period of Hurricane Frances in the western Atlantic Ocean and Typhoon Songda in the western Pacific Ocean. The animation clearly shows the evaporation over land only during the heat of the day, while the evaporation over the ocean is continuous throughout the day. The highest positive latent heat flux occurs during hurricanes and typhoons, as these events are powered by the movement of heat energy from the warm ocean to the atmosphere, seen here in Hurricane Frances and Typhoon Songda. Significant negative latent heat flux is somewhat rare and occurs over the ocean only during certain configurations of air and surface conditions. |
| Completed |
2005-07-25 |
|
Antarctic Iceberg Breaks Up
| Title |
Antarctic Iceberg Breaks Up Ice Sheet |
| Abstract |
The B-15A iceberg has collided into a neighboring ice sheet. This collision has caused the ice sheet to break up into smaller parts. The B-15A iceberg has been blocking shipping lanes and the feeding grounds of 3,000 Adele penguins, for over 4 years. |
| Completed |
2005-01-18 |
|
Antarctic Iceberg Breaks Up
| Title |
Antarctic Iceberg Breaks Up Ice Sheet |
| Abstract |
The B-15A iceberg has collided into a neighboring ice sheet. This collision has caused the ice sheet to break up into smaller parts. The B-15A iceberg has been blocking shipping lanes and the feeding grounds of 3,000 Adele penguins, for over 4 years. |
| Completed |
2005-01-18 |
|
Antarctic Iceberg Breaks Up
| Title |
Antarctic Iceberg Breaks Up Ice Sheet |
| Abstract |
The B-15A iceberg has collided into a neighboring ice sheet. This collision has caused the ice sheet to break up into smaller parts. The B-15A iceberg has been blocking shipping lanes and the feeding grounds of 3,000 Adele penguins, for over 4 years. |
| Completed |
2005-01-18 |
|
Antarctic Iceberg Breaks Up
| Title |
Antarctic Iceberg Breaks Up Ice Sheet |
| Abstract |
The B-15A iceberg has collided into a neighboring ice sheet. This collision has caused the ice sheet to break up into smaller parts. The B-15A iceberg has been blocking shipping lanes and the feeding grounds of 3,000 Adele penguins, for over 4 years. |
| Completed |
2005-01-18 |
|
Antarctic Iceberg Breaks Up
| Title |
Antarctic Iceberg Breaks Up Ice Sheet |
| Abstract |
The B-15A iceberg has collided into a neighboring ice sheet. This collision has caused the ice sheet to break up into smaller parts. The B-15A iceberg has been blocking shipping lanes and the feeding grounds of 3,000 Adele penguins, for over 4 years. |
| Completed |
2005-01-18 |
|
Antarctic Iceberg Breaks Up
| Title |
Antarctic Iceberg Breaks Up Ice Sheet |
| Abstract |
The B-15A iceberg has collided into a neighboring ice sheet. This collision has caused the ice sheet to break up into smaller parts. The B-15A iceberg has been blocking shipping lanes and the feeding grounds of 3,000 Adele penguins, for over 4 years. |
| Completed |
2005-01-18 |
|
Antarctic Iceberg Breaks Up
| Title |
Antarctic Iceberg Breaks Up Ice Sheet |
| Abstract |
The B-15A iceberg has collided into a neighboring ice sheet. This collision has caused the ice sheet to break up into smaller parts. The B-15A iceberg has been blocking shipping lanes and the feeding grounds of 3,000 Adele penguins, for over 4 years. |
| Completed |
2005-01-18 |
|
Antarctic Iceberg Breaks Up
| Title |
Antarctic Iceberg Breaks Up Ice Sheet |
| Abstract |
The B-15A iceberg has collided into a neighboring ice sheet. This collision has caused the ice sheet to break up into smaller parts. The B-15A iceberg has been blocking shipping lanes and the feeding grounds of 3,000 Adele penguins, for over 4 years. |
| Completed |
2005-01-18 |
|
Antarctic Iceberg Breaks Up
| Title |
Antarctic Iceberg Breaks Up Ice Sheet |
| Abstract |
The B-15A iceberg has collided into a neighboring ice sheet. This collision has caused the ice sheet to break up into smaller parts. The B-15A iceberg has been blocking shipping lanes and the feeding grounds of 3,000 Adele penguins, for over 4 years. |
| Completed |
2005-01-18 |
|
Antarctic Iceberg Breaks Up
| Title |
Antarctic Iceberg Breaks Up Ice Sheet |
| Abstract |
The B-15A iceberg has collided into a neighboring ice sheet. This collision has caused the ice sheet to break up into smaller parts. The B-15A iceberg has been blocking shipping lanes and the feeding grounds of 3,000 Adele penguins, for over 4 years. |
| Completed |
2005-01-18 |
|
Antarctic Iceberg Breaks Up
| Title |
Antarctic Iceberg Breaks Up Ice Sheet |
| Abstract |
The B-15A iceberg has collided into a neighboring ice sheet. This collision has caused the ice sheet to break up into smaller parts. The B-15A iceberg has been blocking shipping lanes and the feeding grounds of 3,000 Adele penguins, for over 4 years. |
| Completed |
2005-01-18 |
|
Antarctic Iceberg Breaks Up
| Title |
Antarctic Iceberg Breaks Up Ice Sheet |
| Abstract |
The B-15A iceberg has collided into a neighboring ice sheet. This collision has caused the ice sheet to break up into smaller parts. The B-15A iceberg has been blocking shipping lanes and the feeding grounds of 3,000 Adele penguins, for over 4 years. |
| Completed |
2005-01-18 |
|
Global Atmospheric Sea Level
| Title |
Global Atmospheric Sea Level Pressure during Hurricane Frances (WMS) |
| Abstract |
The weight of the Earth's atmosphere exerts pressure on the surface of the Earth. This pressure varies from place-to-place due the variations in the Earth's surface since higher altitudes have less atmosphere above them than lower altitudes. Atmospheric pressure also varies from time-to-time due to the uneven heating of the atmosphere by the sun and the rotation of the Earth, causing weather. In order to see the changes in pressure which affect the weather, the variation due to altitude is removed from the surface pressure, creating a quantity called sea level pressure. This animation shows the atmospheric sea level pressure for the whole globe from September 1, 2004, through September 5, 2004, during the period of Hurricane Frances in the western Atlantic Ocean and Typhoon Songda in the western Pacific Ocean. The sharp, moving low pressures areas for Frances and Songda can be clearly seen in the oceans. Even with the direct effect of altitude removed, cold high-altitude regions such as the South Pole and the Himalayan Plateau still exhibit lower-than-normal pressures, probably due to the interaction of cold air over those regions with the warmer air in the surrounding regions. |
| Completed |
2005-06-22 |
|
Global Atmospheric Sea Level
| Title |
Global Atmospheric Sea Level Pressure during Hurricane Frances (WMS) |
| Abstract |
The weight of the Earth's atmosphere exerts pressure on the surface of the Earth. This pressure varies from place-to-place due the variations in the Earth's surface since higher altitudes have less atmosphere above them than lower altitudes. Atmospheric pressure also varies from time-to-time due to the uneven heating of the atmosphere by the sun and the rotation of the Earth, causing weather. In order to see the changes in pressure which affect the weather, the variation due to altitude is removed from the surface pressure, creating a quantity called sea level pressure. This animation shows the atmospheric sea level pressure for the whole globe from September 1, 2004, through September 5, 2004, during the period of Hurricane Frances in the western Atlantic Ocean and Typhoon Songda in the western Pacific Ocean. The sharp, moving low pressures areas for Frances and Songda can be clearly seen in the oceans. Even with the direct effect of altitude removed, cold high-altitude regions such as the South Pole and the Himalayan Plateau still exhibit lower-than-normal pressures, probably due to the interaction of cold air over those regions with the warmer air in the surrounding regions. |
| Completed |
2005-06-22 |
|
Global TRMM Rainmap 2004
| Title |
Global TRMM Rainmap 2004 |
| Abstract |
This is a three-hour global rainmap from January 1, 2005 through December 31, 2004, as compiled by the TRMM satellite's Multi-satellite Precipation Analysis. The TRMM Multi-satellite Precipitation Analysis produces three hourly rain rates at 0.250 latitude by 0.250 longitude grid covering 500S to 500N. The input data for this merged product include a merged intercalibrated microwave-only product (3B40RT) and an Infrared rain product that is calibrated using microwave rain rates (3B41RT). Currently, 3B40RT is generated using rain rate estimates from microwave measurements from the TRMM sensors and the Special Sensor Microwave Imagers on board the DMSP satellites using the Goddard Profiling Algorithm (GPROF). 3B41RT is based on infrared measurements from geostationary satellites that are calibrated using microwave rain estimates. The 3B42RT estimate consists of the merged microwave estimate within the 3 hourly 0.25 degree space/time grid when available, and the calibrated IR rain rates otherwise. |
| Completed |
2007-09-13 |
|
Global TRMM Rainmap 2004
| Title |
Global TRMM Rainmap 2004 |
| Abstract |
This is a three-hour global rainmap from January 1, 2005 through December 31, 2004, as compiled by the TRMM satellite's Multi-satellite Precipation Analysis. The TRMM Multi-satellite Precipitation Analysis produces three hourly rain rates at 0.250 latitude by 0.250 longitude grid covering 500S to 500N. The input data for this merged product include a merged intercalibrated microwave-only product (3B40RT) and an Infrared rain product that is calibrated using microwave rain rates (3B41RT). Currently, 3B40RT is generated using rain rate estimates from microwave measurements from the TRMM sensors and the Special Sensor Microwave Imagers on board the DMSP satellites using the Goddard Profiling Algorithm (GPROF). 3B41RT is based on infrared measurements from geostationary satellites that are calibrated using microwave rain estimates. The 3B42RT estimate consists of the merged microwave estimate within the 3 hourly 0.25 degree space/time grid when available, and the calibrated IR rain rates otherwise. |
| Completed |
2007-09-13 |
|
Global TRMM Rainmap 2004
| Title |
Global TRMM Rainmap 2004 |
| Abstract |
This is a three-hour global rainmap from January 1, 2005 through December 31, 2004, as compiled by the TRMM satellite's Multi-satellite Precipation Analysis. The TRMM Multi-satellite Precipitation Analysis produces three hourly rain rates at 0.250 latitude by 0.250 longitude grid covering 500S to 500N. The input data for this merged product include a merged intercalibrated microwave-only product (3B40RT) and an Infrared rain product that is calibrated using microwave rain rates (3B41RT). Currently, 3B40RT is generated using rain rate estimates from microwave measurements from the TRMM sensors and the Special Sensor Microwave Imagers on board the DMSP satellites using the Goddard Profiling Algorithm (GPROF). 3B41RT is based on infrared measurements from geostationary satellites that are calibrated using microwave rain estimates. The 3B42RT estimate consists of the merged microwave estimate within the 3 hourly 0.25 degree space/time grid when available, and the calibrated IR rain rates otherwise. |
| Completed |
2007-09-13 |
|
Global TRMM Rainmap 2004
| Title |
Global TRMM Rainmap 2004 |
| Abstract |
This is a three-hour global rainmap from January 1, 2005 through December 31, 2004, as compiled by the TRMM satellite's Multi-satellite Precipation Analysis. The TRMM Multi-satellite Precipitation Analysis produces three hourly rain rates at 0.250 latitude by 0.250 longitude grid covering 500S to 500N. The input data for this merged product include a merged intercalibrated microwave-only product (3B40RT) and an Infrared rain product that is calibrated using microwave rain rates (3B41RT). Currently, 3B40RT is generated using rain rate estimates from microwave measurements from the TRMM sensors and the Special Sensor Microwave Imagers on board the DMSP satellites using the Goddard Profiling Algorithm (GPROF). 3B41RT is based on infrared measurements from geostationary satellites that are calibrated using microwave rain estimates. The 3B42RT estimate consists of the merged microwave estimate within the 3 hourly 0.25 degree space/time grid when available, and the calibrated IR rain rates otherwise. |
| Completed |
2007-09-13 |
|
Global TRMM Rainmap 2004
| Title |
Global TRMM Rainmap 2004 |
| Abstract |
This is a three-hour global rainmap from January 1, 2005 through December 31, 2004, as compiled by the TRMM satellite's Multi-satellite Precipation Analysis. The TRMM Multi-satellite Precipitation Analysis produces three hourly rain rates at 0.250 latitude by 0.250 longitude grid covering 500S to 500N. The input data for this merged product include a merged intercalibrated microwave-only product (3B40RT) and an Infrared rain product that is calibrated using microwave rain rates (3B41RT). Currently, 3B40RT is generated using rain rate estimates from microwave measurements from the TRMM sensors and the Special Sensor Microwave Imagers on board the DMSP satellites using the Goddard Profiling Algorithm (GPROF). 3B41RT is based on infrared measurements from geostationary satellites that are calibrated using microwave rain estimates. The 3B42RT estimate consists of the merged microwave estimate within the 3 hourly 0.25 degree space/time grid when available, and the calibrated IR rain rates otherwise. |
| Completed |
2007-09-13 |
|
Jakobshavn Glacial Floe
| Title |
Jakobshavn Glacial Floe |
| Abstract |
Jakobshavn Isbrae holds the record as Greenland's fastest moving glacier and major contributor to the mass balance of the continental ice sheet. Starting in late 2000, following a period of slowing down in the mid 1990s, the glacier showed significant acceleration and nearly doubled its discharge of ice. |
| Completed |
2004-11-30 |
|
TRMM Precipiation Radar Obse
| Title |
TRMM Precipiation Radar Observes Rain Structure of Hurricane Jeanne on September 23, 2004 |
| Abstract |
NASA's TRMM spacecraft is used by meteorologists to understand Hurricane Jeanne. TRMM recorded this view of Hurricane Jeanne on September 23, 2004. The cloud cover is taken by TRMM's Visible and Infrared Scanner(VIRS) and the rain structure is seen by TRMM's Precipitation Radar (PR). It looks underneath of the storm's clouds to reveal the underlying rain structure. 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 inches of rain and Red is at least 2.0 inches of rain per hour. |
| Completed |
2004-09-23 |
|
TRMM Precipiation Radar Obse
| Title |
TRMM Precipiation Radar Observes Rain Structure of Hurricane Jeanne on September 23, 2004 |
| Abstract |
NASA's TRMM spacecraft is used by meteorologists to understand Hurricane Jeanne. TRMM recorded this view of Hurricane Jeanne on September 23, 2004. The cloud cover is taken by TRMM's Visible and Infrared Scanner(VIRS) and the rain structure is seen by TRMM's Precipitation Radar (PR). It looks underneath of the storm's clouds to reveal the underlying rain structure. 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 inches of rain and Red is at least 2.0 inches of rain per hour. |
| Completed |
2004-09-23 |
|
TRMM Precipiation Radar Obse
| Title |
TRMM Precipiation Radar Observes Rain Structure of Hurricane Jeanne on September 23, 2004 |
| Abstract |
NASA's TRMM spacecraft is used by meteorologists to understand Hurricane Jeanne. TRMM recorded this view of Hurricane Jeanne on September 23, 2004. The cloud cover is taken by TRMM's Visible and Infrared Scanner(VIRS) and the rain structure is seen by TRMM's Precipitation Radar (PR). It looks underneath of the storm's clouds to reveal the underlying rain structure. 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 inches of rain and Red is at least 2.0 inches of rain per hour. |
| Completed |
2004-09-23 |
|
TRMM Precipiation Radar Obse
| Title |
TRMM Precipiation Radar Observes Rain Structure of Hurricane Jeanne on September 23, 2004 |
| Abstract |
NASA's TRMM spacecraft is used by meteorologists to understand Hurricane Jeanne. TRMM recorded this view of Hurricane Jeanne on September 23, 2004. The cloud cover is taken by TRMM's Visible and Infrared Scanner(VIRS) and the rain structure is seen by TRMM's Precipitation Radar (PR). It looks underneath of the storm's clouds to reveal the underlying rain structure. 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 inches of rain and Red is at least 2.0 inches of rain per hour. |
| Completed |
2004-09-23 |
|
TRMM Precipiation Radar Obse
| Title |
TRMM Precipiation Radar Observes Rain Structure of Hurricane Jeanne on September 23, 2004 |
| Abstract |
NASA's TRMM spacecraft is used by meteorologists to understand Hurricane Jeanne. TRMM recorded this view of Hurricane Jeanne on September 23, 2004. The cloud cover is taken by TRMM's Visible and Infrared Scanner(VIRS) and the rain structure is seen by TRMM's Precipitation Radar (PR). It looks underneath of the storm's clouds to reveal the underlying rain structure. 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 inches of rain and Red is at least 2.0 inches of rain per hour. |
| Completed |
2004-09-23 |
|
Super Typhoon Nida
| Title |
Super Typhoon Nida |
| Abstract |
The MODIS instrument onboard NASA's Aqua and Terra satellites captured this sequence of true-color images of Super Typhoon Nida churning through the Philippine Islands. Packing winds up tof 100 mph and gusts of 122 mph, and caused floods and landslides. Nida has been responsible for at least six deaths in the Philippines and has displaced thousands as it skirted the eastern part of the country before moving towards southern Japan. |
| Completed |
2004-05-18 |
|
Super Typhoon Nida
| Title |
Super Typhoon Nida |
| Abstract |
The MODIS instrument onboard NASA's Aqua and Terra satellites captured this sequence of true-color images of Super Typhoon Nida churning through the Philippine Islands. Packing winds up tof 100 mph and gusts of 122 mph, and caused floods and landslides. Nida has been responsible for at least six deaths in the Philippines and has displaced thousands as it skirted the eastern part of the country before moving towards southern Japan. |
| Completed |
2004-05-18 |
|
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