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Dust from Pakistan and Iran
Title Dust from Pakistan and Iran
Description Winds blowing down from the Makran Coast Range in Western Pakistan (right) and Eastern Iran (left) are carrying dust over the Gulf of Oman and the Arabian Sea. Such wind patterns commonly blow dust from the coastal valleys into the water. This storm was recorded by the Moderate Resolution Imaging Spectroradiometer [ http://modis.gsfc.nasa.gov ] (MODIS) on the Aqua [ http://aqua.nasa.gov/ ] satellite on March 23, 2004. The horizontal stripes evident over the water mark the beginning and the end of the rotation of MODIS' double-sided scan mirror. The lines are caused by minute differences in the two sides of the scan mirror. The high-resolution image provided above is at MODIS' maximum resolution. The image is available in additional resolutions [ http://rapidfire.sci.gsfc.nasa.gov/gallery/?2004083-0323/Pakistan.A2004083.0855 ]. Image courtesy Jeff Schmaltz, MODIS Land Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at NASA GSFC
Dust over Arabian Sea
Title Dust over Arabian Sea
Description A dust storm was blowing large quantities of dust out over the Persian Gulf and Arabian Sea on Saturday, December 13, 2003. In this true-color scene, acquired by the Sea-viewing Wide Field-of-view Sensor (SeaWiFS), the dust storm (light brown pixels) can be seen extending from the the Arabian Peninsula (left) eastward over the Persian Gulf and the Gulf of Oman toward the Arabian Sea. Parts of southern Afghanistan and much of Pakistan are also covered by airborne dust. Further to the east, over northwestern India, there appears to be an extensive plume of another aerosol type. The grayish color of the haze there suggests it is of human origin. Image courtesy SeaWiFS Project, [ http://seawifs.gsfc.nasa.gov ] NASA/Goddard Space Flight Center, and ORBIMAGE
Dust over Arabian Sea
Title Dust over Arabian Sea
Description A massive dust storm on December 12, 2003, almost completely obscured large parts of southwest Asia at the time of this image, which was captured by the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Terra satellite. Thick clouds of tan-colored dust wash over Iran (left), Afghanistan (top right), and Pakistan (bottom right). From Iran, the wave of dust is crashing over the Gulf of Oman, which opens into the Arabian Sea (bottom). The high-resolution image provided above is 500 meters per pixel. The MODIS Rapid Response System provides this image at additional spatial resolutions, including MODIS? maximum resolution of 250 meters. Image courtesy Jacques Descloitres, MODIS Rapid Response Team at NASA GSFC
Dust over the Arabian Sea
Title Dust over the Arabian Sea
Description A number of jets of windblown desert dust (light brown plumes) were blowing over the Gulf of Oman (middle left) and the Arabian Sea (bottom center) on May 2, 2003. Originating from the Arabian Peninsula (left) as well as Iran, Afghanistan, and Pakistan (top center and top right, respectively), the dust obscures the surface over much of the region. This image was made using data from the Moderate Resolution Imaging Spectroradiometer (MODIS) sensors flying aboard NASA's Terra and Aqua satellites at hours apart on the same day. The high-resolution image provided above is 500 meters per pixel. The MODIS Rapid Response System provides this image at MODIS' maximum spatial resolution of 250 meters. Image courtesy Jeff Schmaltz, MODIS Rapid Response Team, NASA GSFC
Dust over the Arabian Sea
Title Dust over the Arabian Sea
Description Dust blew over the Gulf of Oman and the Arabian Sea on July 15, 2006. The Moderate Resolution Imaging Spectroradiometer (MODIS) [ http://modis.gsfc.nasa.gov/ ] flying onboard NASA's Terra [ http://terra.nasa.gov/ ] satellite took this picture the same day. In this image, a thin layer of dust hangs in the air over the region, blending in with the clouds to the east. Although the dust is not particularly thick, it covers a large area. Summer heat contributes to dust storms by creating atmospheric conditions where even light winds can raise dust clouds. NASA image created by Jesse Allen, Earth Observatory, using data provided courtesy of the MODIS Rapid Response [ http://rapidfire.sci.gsfc.nasa.gov/ ] team.
Dust over the Arabian Sea
Title Dust over the Arabian Sea
Description On February 10, 2007, a dust plume lingered over the Arabian Sea. The Moderate Resolution Imaging Spectroradiometer (MODIS) [ http://modis.gsfc.nasa.gov ] on NASA's Terra [ http://terra.nasa.gov ] satellite took this picture the same day. This image shows the horseshoe-shaped dust plume hanging over the ocean, just east of the coast of Oman. Although the source of this dust plume is not immediately obvious, the dust likely blew off the coasts of Pakistan and Iran. A close examination of the high-resolution imagery reveals small tendrils of dust linking those coasts and the larger plume. NASA image by Jeff Schmaltz, MODIS Rapid Response Team, [ http://rapidfire.sci.gsfc.nasa.gov ] Goddard Space Flight Center.
Dust over the Arabian Sea
Title Dust over the Arabian Sea
Description A number of jets of windblown desert dust (light brown plumes) were blowing over the Arabian Sea on March 2, 2003. Originating from the Arabian Peninsula (middle left) as well as Iran and Pakistan (top center and top right, respectively) the dust obscures the surface over much of the region. Notice the very thin line of clouds, much whiter and brighter than the dust, running southeastward over the Gulf of Oman and demarcating the edge of the front. Another similar cloud pattern can be seen south of Oman. Notice also the vertical discontinuity running from top to bottom through the center of this scene. This image was made using data from the Moderate Resolution Imaging Spectroradiometer (MODIS) sensors flying aboard NASA's Terra and Aqua satellites at hours apart on the same day. The scene appears a bit different to each satellite not only because the clouds and dust plumes are moving, but also because the relative angle of the sun is changing. In the righthand image (Aqua MODIS), you can discern more dark green structure in the Indian Ocean, indicating the presence of phytoplankton. The intense biological activity going on there is quite likely being enhanced by the influx of iron-rich desert dust settling into the waters there over recent days. The high-resolution image provided above is 500 meters per pixel. The MODIS Rapid Response System provides this image at MODIS' maximum spatial resolution of 250 meters. Image courtesy Jacques Descloitres, MODIS Rapid Response Team, NASA GSFC
Dust Storm over Afghanistan …
Title Dust Storm over Afghanistan and Pakistan
Description A white veil of dust had settled over the Gulf of Oman and the Arabian Sea on October 8, 2004, when the Sea-viewing Wide Field-of-view Sensor aboard the OrbView-2 satellite captured this image. The dust is blowing out of the dried Hamoun Wetlands in the Sistan Basin straddling the Afghanistan/Iran border. Most of the dust is trapped in southwestern Afghanistan and northern Pakistan by the Central Makran Mountains, though some has escaped through river valleys and is blowing over the sea. The verdant green strip running down the right edge of the image is formed by the Indus River and the agricultural land it supports. NASA images courtesy the SeaWiFS Project [ http://seawifs.gsfc.nasa.gov/SEAWIFS.html ], NASA/Goddard Space Flight Center, and ORBIMAGE [ http://www.orbimage.com/ ].
Tropical Cyclone Gonu
Title Tropical Cyclone Gonu
Description This data visualization shows Tropical Cyclone Gonu and its spiral pattern of winds as recorded by NASA's QuikSCAT [ http://winds.jpl.nasa.gov/missions/quikscat/index.cfm ] satellite on June 4, 2007. Varying wind speeds within the storm form a bull's-eye of color, with the highest wind speeds shown in purple in the center of the storm and gradually decreasing speeds radiating outward. Wind direction is depicted with small barbs. White barbs point to areas of heavy rain. You might expect to see such a well-developed storm hovering over the warm waters of the Caribbean or in the South Pacific, but Tropical Cyclone Gonu showed up in an unusual place. On June 4, 2007, when it was observed by the QuikSCAT satellite, Cyclone Gonu was approaching the northeastern shore of Oman, a region better known for hot desert conditions. Though rare, cyclones like Gonu are not unheard of in the northern Indian Ocean basin. Most cyclones that form in the region form over the Bay of Bengal, east of India. Those that take shape over the Arabian Sea, west of the Indian peninsula, tend to be small and fizzle out before coming ashore. Cyclone Gonu is a rare exception. As of June 4, 2007, the powerful storm had reached a dangerous Category 4 [ http://www.nhc.noaa.gov/aboutsshs.shtml ] status, and it was forecast to graze Oman's northeastern shore, following the coastline of the Gulf of Oman. According to storm statistics maintained on Unisys Weather, [ http://weather.unisys.com/hurricane/ ], the last storm of this size to form over the Arabian Sea was Cyclone 01A, which tracked northwest along the coast of India between May 21 and May 28, 2001. Unlike Gonu's forecasted track, Cyclone 01A's path never brought it ashore. Ground or aircraft-based measurements of the wind strength of Cyclone Gonu would likely show sustained winds significantly higher than those estimated by QuikSCAT. QuikSCAT uses a scatterometer, a device that sends pulses of microwave energy through the atmosphere to the ocean surface and measures the energy that bounces back from the wind-roughened surface. The energy of the microwave pulses changes depending on wind speed and direction, giving scientists a way to monitor wind around the world. This technique does not work over land, but allows measurements in storms over oceans. Wind speeds in trropical cyclones, however, are difficult for QuikSCAT to measure. To relate the radar signal the sensor measures to actual wind speed, scientists compare measurements taken from buoys and other ground stations to data the satellite acquired at the same time and place. Because the high wind speeds generated by cyclones are rare, scientists do not have enough corresponding ground information to know how to translate data from the satellite for wind speeds above 50 knots (about 93 km/hr, or 58 mph). Also, the unusually heavy rain found in a cyclone distorts the microwave pulses in a number of ways, making a conversion to accurate wind speed difficult. Instead, the scatterometer provides a nice picture of the relative wind speeds within the storm and shows wind direction. NASA image courtesy of David Long, Brigham Young University, on the QuikSCAT Science Team [ http://winds.jpl.nasa.gov/ ], and the Jet Propulsion Laboratory.
Tropical Cyclone Gonu
Title Tropical Cyclone Gonu
Description MODIS Rapid Response Team, [ http://rapidfire.sci.gsfc.nasa.gov ] Goddard Space Flight Center., You might expect to see a storm with near-perfect symmetry and a well-defined eye hovering over the warm waters of the Caribbean or in the South Pacific, but Tropical Cyclone Gonu showed up in an unusual place. On June 4, 2007, when the Moderate Resolution Imaging Spectroradiometer (MODIS [ http://modis.gsfc.nasa.gov ]) on NASA's Aqua [ http://aqua.nasa.gov/ ] satellite captured this image, Tropical Cyclone Gonu was approaching the northeastern shore of Oman, a region better known for hot desert conditions. Though rare, cyclones like Gonu are not unheard of in the northern Indian Ocean basin. Most cyclones that form in the region form over the Bay of Bengal, east of India. Those that take shape over the Arabian Sea, west of the Indian peninsula, tend to be small and fizzle out before coming ashore. Cyclone Gonu is a rare exception. As of June 4, 2007, the powerful storm had reached a dangerous Category 4 [ http://www.nhc.noaa.gov/aboutsshs.shtml ] status, and it was forecast to graze Oman's northeastern shore, following the Gulf of Oman. According to storm statistics maintained on Unisys Weather, [ http://weather.unisys.com/hurricane/ ] the last storm of this size to form over the Arabian Sea was Cyclone 01A, which tracked northwest along the coast of India between May 21 and May 28, 2001. Unlike Gonu's forecasted track, Cyclone 01A's path never brought it ashore. MODIS acquired this photo-like image at 12:00 p.m. local time (9:00 UTC), a few hours after the Joint Typhoon Warning Center [ https://metocph.nmci.navy.mil/jtwc.php ] estimated Gonu's sustained winds to be over 240 kilometers per hour (145 miles per hour). The satellite image confirms that Gonu was a super-powerful cyclone. The storm has the hallmark tightly wound arms that spiral around a well-defined, circular eye. The eye is surrounded by a clear wall of towering clouds that cast shadows on the surrounding clouds. Called hot towers, [ http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=17662 ] these clouds are a sign of the powerful uplift that feeds the storm. The symmetrical spirals, clear eye, and towering clouds are all features regularly seen in satellite images of other particularly powerful cyclones, which are also known as typhoons or hurricanes when they form in other parts of the world. The high-resolution image provided above is at MODIS' full spatial resolution (level of detail) of 250 meters per pixel. The MODIS Rapid Response System provides this image at additional resolutions. [ http://rapidfire.sci.gsfc.nasa.gov/gallery/?2007155-0604/Gonu.A2007155.0900 ] You can download a 250-meter-resolution Cyclone Gonu KMZ file [ http://earthobservatory.nasa.gov/NaturalHazards/Archive/Jun2007/Gonu.A2007155.0900.250m.kmz ] for use with Google Earth. [ http://earth.google.com/download-earth.html ] NASA image by Jeff Schmaltz,
Tropical Cyclone Gonu
Title Tropical Cyclone Gonu
Description At one time, Cyclone Gonu was a powerful Category 5 storm packing sustained winds of 255 kilometers per hour (160 miles per hour), according to the Joint Typhoon Warning Center, [ https://metocph.nmci.navy.mil/jtwc.php ] and on a course towards Oman. This made it the most powerful cyclone ever to threaten the Arabian Peninsula since record keeping began back in 1945. Tropical cyclones do on occasion form in the Arabian Sea, but they rarely exceed tropical storm intensity. In 2006, Tropical Storm Mukda was the only system to form in the region, and it remained well out to sea before dissipating. Gonu became a tropical storm in the morning (local time) of June 2, 2007, in the east-central Arabian Sea. After some initial fluctuations in direction, the storm settled on a northwesterly track and began to intensify. Gonu went from tropical storm intensity to a Category 2 Tropical Cyclone [ http://www.nhc.noaa.gov/aboutsshs.shtml ] on the night of June 3. Overnight, it developed into a Category 4 storm with winds estimated at 210 km/hr (132 mph). The Tropical Rainfall Measuring Mission (TRMM) [ http://trmm.gsfc.nasa.gov/ ], captured this image of Gonu as the storm was moving northwest over the central Arabian Sea. The image was taken at 6:23 a.m. local time (03:23 UTC) on June 4, 2007, when Gonu was a Category 4 storm. It shows the horizontal distribution of rain intensity looking down on the storm. The distribution of rain within the storm reveals the storm's structure, and in this case, Gonu displays all of the tell-tale signs of a potent storm. Not only did Gonu have a complete, well-formed, symmetrical eye surrounded by an intense eyewall (innermost red ring), this inner eyewall was surrounded by a concentric outer eyewall (outermost red and green ring). This double eyewall structure only occurs in very intense storms. Eventually the outer eyewall will contract and replace the inner eyewall, a process known as eyewall replacement. The image was made with data from several sensors on the TRMM satellite. Rain rates in the center of the swath are from the TRMM Precipitation Radar, while those in the outer portion are from the TRMM Microwave Imager. The rain rates are overlaid on infrared data from the TRMM Visible Infrared Scanner. Several hours after this image was taken, Gonu reached Category 5 intensity, the very peak of possible storm strengths. The system remained in this high state through the day, then began weakening during the night of June 4 as it continued to approach the coast of Oman. The center remained just offshore of the northeast coast of Oman as a Category 1 storm before turning northward towards Iran, where it was expected to make landfall as a tropical storm, according to forecasts made on June 6, 2007. The TRMM satellite was placed into service in November 1997. From its low-earth orbit, TRMM provides valuable images and information on storm systems around the tropics using a combination of passive microwave and active radar sensors, including the first precipitation radar in space. TRMM is a joint mission between NASA and the Japanese space agency, JAXA. NASA image produced by Hal Pierce (SSAI/NASA GSFC) and caption by Steve Lang (SSAI/NASA GSFC).
Tropical Cyclone Gonu
Title Tropical Cyclone Gonu
Description A storm with near-perfect symmetry and a well-defined eye hovering over the warm waters of the Caribbean or in the South Pacific is not unusual, but Tropical Cyclone Gonu showed up in a rather different place: the Arabian Sea. Though rare, cyclones like Gonu are not unheard of in the northern Indian Ocean basin. Most cyclones that form in the region form over the Bay of Bengal, east of India. Those that take shape over the Arabian Sea, west of the Indian peninsula, tend to be small and fizzle out before coming ashore. Cyclone Gonu was a rare exception. According to storm statistics maintained on Unisys Weather, [ http://weather.unisys.com/hurricane/ ] the last storm of this size to form over the Arabian Sea was Cyclone 01A, which tracked northwest along the coast of India between May 21 and May 28, 2001. Unlike Gonu's forecasted track, Cyclone 01A's path never brought it ashore. At 9:35 a.m. local time (06:35 UTC) on June 5, 2007, when the Moderate Resolution Imaging Spectroradiometer (MODIS [ http://modis.gsfc.nasa.gov ]) on NASA's Terra [ http://terra.nasa.gov/ ] satellite captured this image, Tropical Cyclone Gonu was approaching the northeastern shore of Oman. At this time, the powerful storm had reached a dangerous Category 4 [ http://www.nhc.noaa.gov/aboutsshs.shtml ] status. Sustained winds were measured at 250 kilometers per hour (155 miles per hour) according to the University of Hawaii's Tropical Storm Information Center, [ http://www.solar.ifa.hawaii.edu/Tropical/ ] at the time of this MODIS image. The storm has the hallmark tightly wound arms that spiral around a well-defined, circular eye. The eye is surrounded by a wall of towering clouds that cast shadows on the surrounding clouds. Called hot towers, [ http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=17662 ], these clouds are a sign of the powerful uplift that feeds the storm. The symmetrical spirals, distinct eye, and towering clouds are all features regularly seen in satellite images of other particularly powerful cyclones, which are also known as typhoons or hurricanes when they form in other parts of the world. The forecast as of June 5 called for the storm to graze Oman's shore, but with the center of the storm staying offshore in the Gulf of Oman. The storm's first landfall was predicted to be in southern Iran. The cooler water along the Oman coast was expected to rob the storm of some of its intensity, and it was predicted to strike the Iranian coast at around Category 1 strength. If, however, the forecast track is not quite right and the storm stays farther from shore over shallower and much warmer waters in the Gulf of Oman, it could make landfall while still packing Category 3 winds. In either case, communities along the Gulf of Oman are poorly prepared for hurricanes, given their rarity, and severe damage to cities and oil platforms is possible due to winds and storm surge. The high-resolution image provided above is at MODIS' full spatial resolution (level of detail) of 250 meters per pixel. The MODIS Rapid Response System provides this image at additional resolutions. [ http://rapidfire.sci.gsfc.nasa.gov/gallery/?2007156-0605/Gonu.A2007156.0635 ] You can download a 250-meter-resolution Cyclone Gonu KMZ file [ http://earthobservatory.nasa.gov/NaturalHazards/Archive/Jun2007/Gonu.A2007156.0635.250m.kmz ] for use with Google Earth. [ http://earth.google.com/download-earth.html ] NASA image by Jeff Schmaltz, MODIS Rapid Response Team, [ http://rapidfire.sci.gsfc.nasa.gov ] Goddard Space Flight Center.
Dust over the Gulf of Oman a …
nasa, nasanaturalhazards
Dust plumes blew from Afghan …
arsea_tmo_2007266
mediatype IMAGE
mediatype image
date 2007-09-23
creator NASA -- NASA Image Of The Day
identifier arsea_tmo_2007266
Dust over the Arabian Sea: N …
nasa, nasanaturalhazards
Dust blew over the Gulf of O …
gulfoman_tmo_2006196
mediatype IMAGE
mediatype image
date 2006-07-15
creator NASA -- NASA Image Of The Day
identifier gulfoman_tmo_2006196
The Coast of Oman : Image of …
nasa, nasaimageofthedaygalle …
This perspective view includ …
srtm_oman
mediatype IMAGE
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date 2000-02-15
creator NASA -- Image by NASA/JPL/NIMA
identifier srtm_oman
Red Plankton in the Arabian …
nasa, nasaimageofthedaygalle …
In the Arabian Sea, sunlight …
PIA04369
mediatype IMAGE
mediatype image
date 2004-10-02
creator NASA -- Image courtesy NASA/GSFC/LaRC/JPL, www-misr.jpl.nasa.gov/ MISR Team. Text by Clare Averill (Raytheon/JPL) and Dr. Patria Viva F. Banzon (University of Miami).
identifier PIA04369
Dust over Gulf of Oman, Arab …
nasa, nasanaturalhazards
A weather forecast for the U …
arabia_tmo_2008033
mediatype IMAGE
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date 2008-02-02
creator NASA -- NASA Image Of The Day
identifier arabia_tmo_2008033
Dust Over the Arabian Sea: I …
nasa, nasaimageofthedaygalle …
A dust storm was blowing lar …
ArabianDust_OSE2003347
mediatype IMAGE
mediatype image
date 2003-12-13
creator NASA -- Image courtesy seawifs.gsfc.nasa.gov SeaWiFS Project, NASA/Goddard Space Flight Center, and ORBIMAGE
identifier ArabianDust_OSE2003347
Dust Storm over Southwestern …
nasa, nasanaturalhazards
Two days after forming over …
stan_amo_2008181
mediatype IMAGE
mediatype image
date 2008-06-29
creator NASA -- NASA Image Of The Day
identifier stan_amo_2008181
Tropical Cyclone Gonu: Natur …
nasa, nasanaturalhazards
You might expect to see a st …
gonu_amo_2007155
mediatype IMAGE
mediatype image
date 2007-06-04
creator NASA -- NASA Image Of The Day
identifier gonu_amo_2007155
Dust over the Arabian Sea: N …
nasa, nasanaturalhazards
A number of jets of windblow …
Pakistan_TMO2003061
mediatype IMAGE
mediatype image
date 2003-03-02
creator NASA -- NASA Image Of The Day
identifier Pakistan_TMO2003061
Dust Storms over the Middle …
nasa, nasanaturalhazards
Although common during the s …
iran_tmo_2008052
mediatype IMAGE
mediatype image
date 2008-02-21
creator NASA -- NASA Image Of The Day
identifier iran_tmo_2008052
Dust Storm over the Middle E …
nasa, nasaimageofthedaygalle …
A massive dust cloud hovered …
ge_08844
mediatype IMAGE
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date ? 6/18/2008
creator NASA -- NASA Image Of The Day
identifier ge_08844
Dust over the Arabian Sea: N …
nasa, nasanaturalhazards
On February 10, 2007, a dust …
arab_tmo_2007041
mediatype IMAGE
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date 2007-02-10
creator NASA -- NASA Image Of The Day
identifier arab_tmo_2007041
Dust Storm over the Middle E …
nasa, nasanaturalhazards
A massive dust cloud hovered …
meast_amo_2008170
mediatype IMAGE
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date 2008-06-18
creator NASA -- NASA Image Of The Day
identifier meast_amo_2008170
Tropical Cyclone Gonu: Natur …
nasa, nasanaturalhazards
This data visualization show …
gonu_qsc_2007155
mediatype IMAGE
mediatype image
date 2007-06-04
creator NASA -- NASA Image Of The Day
identifier gonu_qsc_2007155
Dust over the Arabian Sea: N …
nasa, nasanaturalhazards
A number of jets of windblow …
ArabianSea_TMO2003122
mediatype IMAGE
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date 2003-05-02
creator NASA -- NASA Image Of The Day
identifier ArabianSea_TMO2003122
Dust over Gulf of Oman, Arab …
nasa, nasaimageofthedaygalle …
. * Struck, R. (2008, Februa …
ge_08466
mediatype IMAGE
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date 2008-01-31
creator NASA -- NASA Image Of The Day
identifier ge_08466
Dust over Arabian Sea: Natur …
nasa, nasanaturalhazards
A massive dust storm on Dece …
Pakistan.TMOA2003346
mediatype IMAGE
mediatype image
date 2003-12-12
creator NASA -- NASA Image Of The Day
identifier Pakistan.TMOA2003346
Dust over Arabian Sea: Natur …
nasa, nasanaturalhazards
A massive dust storm on Dece …
Pakistan.TMOA2003346
mediatype IMAGE
mediatype image
date 2003-12-12
creator NASA -- NASA Image Of The Day
identifier Pakistan.TMOA2003346
Wave Clouds over the Arabian …
nasa, nasaimageofthedaygalle …
Like a massive, ethereal bir …
ge_07758
mediatype IMAGE
mediatype image
date 2007-05-08
creator NASA -- Image courtesy Jeff Schmaltz, rapidfire.sci.gsfc.nasa.gov MODIS Rapid Response System at NASA GSFC. Image interpretation courtesy Belay Demoz, NASA GSFC.
identifier ge_07758
Dust Storms over the Middle …
nasa, nasaimageofthedaygalle …
Although common during the s …
ge_08500
mediatype IMAGE
mediatype image
date 2008-02-21
creator NASA -- NASA Image Of The Day
identifier ge_08500
Dust Storm over Afghanistan …
nasa, nasanaturalhazards
A white veil of dust had set …
Pakistan_SEA_2004282
mediatype IMAGE
mediatype image
date 2004-10-08
creator NASA -- NASA Image Of The Day
identifier Pakistan_SEA_2004282
Salalah, Sultanate of Oman: …
nasa, nasaimageofthedaygalle …
The city of Salalah is the c …
ISS010-E-7210
mediatype IMAGE
mediatype image
date 2004-11-16
creator NASA -- Astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS010&roll=E&frame=7210 ISS010-E-7210 was acquired November 16, 2004, with a Kodak 760C digital camera with a 180-mm lens, and is provided by the ISS Crew Earth Observations experiment and the Image Science & Analysis Group, Johnson Space Center. The spaceflight.nasa.gov/home/index.html International Space Station Program 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 eol.jsc.nasa.gov/ Gateway to Astronaut Photography of Earth.
identifier ISS010-E-7210
Tropical Cyclone Gonu: Natur …
nasa, nasanaturalhazards
At one time, Cyclone Gonu wa …
gonu_trmm_2007155
mediatype IMAGE
mediatype image
date 2007-06-04
creator NASA -- NASA Image Of The Day
identifier gonu_trmm_2007155
Tropical Cyclone Gonu: Image …
nasa, nasaimageofthedaygalle …
You might expect to see a st …
ge_07743
mediatype IMAGE
mediatype image
date 2007-06-04
creator NASA -- NASA image by Jeff Schmaltz, rapidfire.sci.gsfc.nasa.gov MODIS Rapid Response Team, Goddard Space Flight Center.
identifier ge_07743
Tropical Cyclone Gonu: Image …
nasa, nasaimageofthedaygalle …
You might expect to see a st …
ge_07743
mediatype IMAGE
mediatype image
date 2007-06-04
creator NASA -- NASA image by Jeff Schmaltz, rapidfire.sci.gsfc.nasa.gov MODIS Rapid Response Team, Goddard Space Flight Center.
identifier ge_07743
Dust from Pakistan and Iran: …
nasa, nasanaturalhazards
Winds blowing down from the …
Pakistan_AMO2004083
mediatype IMAGE
mediatype image
date 2004-03-23
creator NASA -- NASA Image Of The Day
identifier Pakistan_AMO2004083
Tropical Cyclone Gonu: Natur …
nasa, nasanaturalhazards
A storm with near-perfect sy …
gonu_tmo_2007156
mediatype IMAGE
mediatype image
date 2007-06-05
creator NASA -- NASA Image Of The Day
identifier gonu_tmo_2007156
Perspective View, Landsat Ov …
PIA02768
Sol (our sun)
C-Band Interferometric Radar …
Title Perspective View, Landsat Overlay, Salalah, Oman, Southern Arabian Peninsula
Original Caption Released with Image This perspective view includes the city of Salalah, the second largest city in Oman. The city is located on the broad, generally bright coastal plain and includes areas of green irrigated crops. This view was generated from a Landsat image draped over a preliminary elevation model produced by the Shuttle Radar Topography Mission (SRTM). The edges of the dataset are to the upper right, left, and lower left. The Arabian Sea (lower right) is represented by the blue false-colored area. Vertical exaggeration of topography is 3X. This scene illustrates how topography determines local climate and, in turn, where people live. The Arabian Peninsula is very arid. However, the steep escarpment of the Qara Mountains wrings moisture from the summer monsoons allowing for growth of natural vegetation (green along the mountain fronts and in the canyons), and soil development (dark brown areas), as well as cultural development of the coastal plain. The monsoons also provide moisture for Frankincense trees growing on the desert (north) side of the mountains. In ancient times, incense derived from the sap of the Frankincense tree was the basis for an extremely lucrative trade. Landsat satellites have provided visible light and infrared images of the Earth continuously since 1972. SRTM topographic data match the 30-meter (99-foot)spatial resolution of most Landsat images and provide a valuable complement for studying the historic and growing Landsat data archive. The Landsat 7 Thematic Mapper image used here was provided to the SRTM project by the United States Geological Survey, Earth Resources Observation Systems (EROS) Data Center,Sioux Falls, South Dakota. Elevation data used in this image was acquired by SRTM aboard the Space Shuttle Endeavour, launched on February 11, 2000. SRTM used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar(SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. SRTM was designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long (200-foot) mast, installed additional C-band and X-band antennas, and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) of the U.S. Department of Defense (DoD), and the German and Italian space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Earth Science Enterprise, Washington, DC. Size: 45 kilometers (28 miles) across x 178 kilometers (110 miles) distance Location: 17 deg. North lat., 54 deg. East lon. Orientation: North toward upper left Image Data: Landsat bands 1, 2+4, 3 in blue, green, red Date Acquired: February 15, 2000 (SRTM), November 9, 1999 (Landsat) Image: NASA/JPL/NIMA
Red Plankton in the Arabian …
PIA04369
Sol (our sun)
Multi-angle Imaging SpectroR …
Title Red Plankton in the Arabian Sea
Original Caption Released with Image . The Multi-angle Imaging SpectroRadiometer observes the daylit Earth continuously and every 9 days views the entire globe between 82° north and 82° south latitude. These data products were generated from a portion of the imagery acquired during Terra orbit 25483. The still image panels cover an area of about 240 kilometers x 290 kilometers, and utilize Local Mode data from within blocks 71 to 73 and within World Reference System-2 path 155. MISR was built and is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Office of Earth Science, Washington, DC. The Terra satellite is managed by NASA's Goddard Space Flight Center, Greenbelt, MD. JPL is a division of the California Institute of Technology., In the Arabian Sea, sunlight and nutrients has fueled a startling occurrence of colorful phytoplankton and bacterial assemblages, which is captured in these natural color images from NASA's Multi-angle Imaging SpectroRadiometer (MISR). Several areas exhibit an unmistakably reddish hue, particularly in the upper portion of the images. The image set is centered along the Tropic of Cancer, about 400 kilometers east of Muscat, Oman, and was acquired on October 2, 2004. A view from MISR's nadir (directly downward viewing) camera is provided on the left, while the two smaller images at the upper and lower right are from MISR's 60-degree forward and backward pointing cameras, respectively. The Arabian Sea is an unusual part of the world's oceans because it is surrounded by land masses from three sides, and light levels in the region are strongly influenced by cloud cover generated by the Indian monsoons. Phytoplankton concentrations in the Arabian Sea tend to be highest during September and October, towards the end of the summer monsoon. The offshore drift of surface waters and their replacement by deeper, nutrient-rich waters means that the Arabian Sea is very productive, but such fertilization also sometimes results in copious phytoplankton production and oxygen depletion of the subsurface waters. Although red phytoplankton fluorescences have been associated with the low oxygen concentrations in the intermediate and deep waters of the Arabian Sea, the red pigment in this scene may instead be related to the dynamic processes of plankton grazing and decomposition. Multiple observation angles allow the color of surface ocean waters to be studied in greater detail, and provides a method to observe regions that can not be examined by satellite instruments that view nadir only, in cases where the nadir view is affected by sun glint. In this case, the ocean color in the lower right-hand corner is discernible at 60-degrees backward but not at nadir. Multiple angles also enable the observation of ship and cloud motion. The movement of several ships across the scene is illustrated in an animation. The oblique imagery used in this image set is part of the Local Mode data acquired during the Unified Aerosol Experiment United Arab Emirates (UAE2) field campaign
Shaded relief, color as heig …
PIA02735
Sol (our sun)
C-Band Interferometric Radar
Title Shaded relief, color as height, Salalah, Oman
Original Caption Released with Image This elevation map shows a part of the southern coast of the Arabian Peninsula including parts of the countries of Oman and Yemen. The narrow coastal plain on the right side of the image includes the city of Salahlah, the second largest city in Oman. Various crops, including coconuts, papayas and bananas, are grown on this plain. The abrupt topography of the coastal mountains wrings moisture from the monsoon, enabling agriculture in the otherwise dry environment of the Arabian Peninsula. These mountains are historically significant as well: Some scholars believe these mountains are the "southern mountains" of the book of Genesis. This image brightness corresponds to shading illumination from the right, while colors show the elevation as measured by the Shuttle Radar Topography Mission. Colors range from green at the lowest elevations to brown at the highest elevations. This image contains about 1400 meters (4600 feet) of total relief. The Arabian Sea is colored blue. The Shuttle Radar Topography Mission (SRTM), launched on February 11, 2000, used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. The mission was designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long (200-foot) mast, an additional C-band imaging antenna and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) and the German (DLR) and Italian (ASI)space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Earth Science Enterprise, Washington, DC. Size: 149 by 40 kilometers (92 by 25 miles) Location: 16.9 deg. North lat., 53.7 deg. East lon. Orientation: North at top right Date Acquired: February 15, 2000 Image: NASA/JPL/NIMA
Anaglyph, Landsat overlay, S …
PIA02736
Sol (our sun)
C-Band Interferometric Radar …
Title Anaglyph, Landsat overlay, Southernmost Coastal Oman
Original Caption Released with Image This 3-D view of a coastal area in southernmost Oman shows how topographic information can be used to enhance satellite images, deriving a better understanding of the processes that sculpt the landscape. The coastline in the upper half of the image appears to follow the same trend as a canyon in the lower half of the image. Both features are probably coincident with a single fault that cuts the limestone bedrock. Note how in this climate limestone erodes sharply along the stream courses resulting in deep and narrow canyons. Generally the landscape is barren, but the darker areas have sparse vegetation that is supported by summer monsoon moisture. The Arabian Sea is on the right. This anaglyph was generated by first draping a Landsat Thematic Mapper image over a topographic map from the Shuttle Radar Topography Mission, then using the topographic data to create two differing perspectives, one for each eye. When viewed through special glasses, the result is a vertically exaggerated view of the Earth's surface in its full three dimensions. Anaglyph glasses cover the left eye with a red filter and cover the right eye with a blue filter. Landsat satellites have provided visible light and infrared images of the Earth continuously since 1972. SRTM topographic data match the 30 meter (100 foot) spatial resolution of most Landsat images and will provide a valuable complement for studying the historic and growing Landsat data archive. The Landsat 7 Thematic Mapper image used here was provided to the SRTM project by the United States Geological Survey, Earth Resources Observation Systems (EROS) Data Center, Sioux Falls, South Dakota. The Shuttle Radar Topography Mission (SRTM), launched on February 11, 2000, used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. The mission was designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long (200-foot) mast, an additional C-band imaging antenna and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) and the German (DLR) and Italian (ASI)space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Earth Science Enterprise, Washington, DC. Size: 20.5 by 18.3 kilometers (12.7 by 11.3 miles) Location: 16.9 deg. North lat., 53.7 deg. East lon. Orientation: North at top-left Date Acquired: February 15, 2000 Image: NASA/JPL/NIMA
Radar Image, Color as Height …
PIA02725
Sol (our sun)
C-Band Interferometric Radar
Title Radar Image, Color as Height , Salalah, Oman
Original Caption Released with Image This radar image includes the city of Salalah, the second largest city in Oman. It illustrates how topography determines local climate and, in turn, where people live. This area on the southern coast of the Arabian Peninsula is characterized by a narrow coastal plain (bottom)facing southward into the Arabian Sea, backed by the steep escarpment of the Qara Mountains. The backslope of the Qara Mountains slopes gently into the vast desert of the Empty Quarter (at top). This area is subject to strong monsoonal storms from the Arabian Sea during the summer, when the mountains are enveloped in a sort of perpetual fog. The moisture from the monsoon enables agriculture on the Salalah plain, and also provides moisture for Frankincense trees growing on the desert (north) side of the mountains. In ancient times, incense derived from the sap of the Frankincense tree was the basis for an extremely lucrative trade. Radar and topographic data are used by historians and archaeologists to discover ancient trade routes and other significant ruins. This image combines two types of data from the Shuttle Radar Topography Mission. The image brightness corresponds to the strength of the radar signal reflected from the ground, while colors show the elevation as measured by SRTM. Colors range from green at the lowest elevations to brown at the highest elevations. This image contains about 1070 meters (3500 feet) of total relief. White speckles on the face of some of the mountains are holes in the data caused by steep terrain. These will be filled using coverage from an intersecting pass. The Shuttle Radar Topography Mission (SRTM), launched on February 11,2000, uses the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. The mission is designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long(200-foot) mast, an additional C-band imaging antenna and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) and the German (DLR) and Italian (ASI) space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Earth Science Enterprise,Washington, DC. Size: 56 by 50 kilometers (35 by 32 miles) Location: 17 deg. North lat., 54 deg. East lon. Orientation: North at top Date Acquired: February 15, 2000 Image: NASA/JPL/NIMA
Jason Tracks Powerful Tropic …
PIA09602
Sol (our sun)
Altimeter
Title Jason Tracks Powerful Tropical Cyclone Gonu's High Winds, Waves
Original Caption Released with Image This pair of images from the radar altimeter instrument on the U.S./France Jason mission reveals information on wind speeds and wave heights of Tropical Cyclone Gonu, which reached Category 5 strength in the Arabian Sea prior to landfall in early June 2007. Strong winds near 20 meters per second and wave heights of greater than 5 meters were recorded. These high waves are extremely rare in the Arabian Sea and exacerbated heavy flooding from the storm surge over much of the Oman coastline. The U.S. portion of the Jason mission is managed by JPL for NASA's Science Mission Directorate, Washington, D.C. Research on Earth's oceans using Jason and other space-based capabilities is conducted by NASA's Science Mission Directorate to better understand and protect our home planet.
Jason Tracks Powerful Tropic …
PIA09602
Sol (our sun)
Altimeter
Title Jason Tracks Powerful Tropical Cyclone Gonu's High Winds, Waves
Original Caption Released with Image This pair of images from the radar altimeter instrument on the U.S./France Jason mission reveals information on wind speeds and wave heights of Tropical Cyclone Gonu, which reached Category 5 strength in the Arabian Sea prior to landfall in early June 2007. Strong winds near 20 meters per second and wave heights of greater than 5 meters were recorded. These high waves are extremely rare in the Arabian Sea and exacerbated heavy flooding from the storm surge over much of the Oman coastline. The U.S. portion of the Jason mission is managed by JPL for NASA's Science Mission Directorate, Washington, D.C. Research on Earth's oceans using Jason and other space-based capabilities is conducted by NASA's Science Mission Directorate to better understand and protect our home planet.
Jason Tracks Powerful Tropic …
PIA09602
Sol (our sun)
Altimeter
Title Jason Tracks Powerful Tropical Cyclone Gonu's High Winds, Waves
Original Caption Released with Image This pair of images from the radar altimeter instrument on the U.S./France Jason mission reveals information on wind speeds and wave heights of Tropical Cyclone Gonu, which reached Category 5 strength in the Arabian Sea prior to landfall in early June 2007. Strong winds near 20 meters per second and wave heights of greater than 5 meters were recorded. These high waves are extremely rare in the Arabian Sea and exacerbated heavy flooding from the storm surge over much of the Oman coastline. The U.S. portion of the Jason mission is managed by JPL for NASA's Science Mission Directorate, Washington, D.C. Research on Earth's oceans using Jason and other space-based capabilities is conducted by NASA's Science Mission Directorate to better understand and protect our home planet.
Tropical Cyclone Gonu Observ …
PIA09600
Sol (our sun)
SeaWinds Scatterometer
Title Tropical Cyclone Gonu Observed by QuikSCAT
Original Caption Released with Image June 3 QuikScat observed a rare tropical cyclone in the northern part of the Arabian Sea, threatening the petroleum shipping lanes and the Gulf States (e.g. Oman) that are unprepared for such an event. This is the strongest cyclone to hit the Arabian Peninsula since record keeping started in 1945. The storm reached super-cyclone strength when observed by QuikScat. It weakened as it approached landfall, probably because of the intrusion of dry desert air into the storm. In the images for June 3 and June 5 produced from QuikScat data, white arrows showing wind direction are superimposed on the color images of wind speed. QuikScat, managed by JPL, measures ocean surface wind/stress by sending radar pulses to the surface and measuring the strength of the signals returned. "QuikScat Background" NASA's Quick Scatterometer (QuikScat) spacecraft was launched from Vandenberg Air Force Base, Calif., on June 19, 1999. QuikScat carries the SeaWinds scatterometer, a specialized microwave radar that measures near-surface wind speed and direction under all weather and cloud conditions over the Earth's oceans. More information about the QuikScat mission and observations is available at http://winds.jpl.nasa.gov/missions/quikscat/ [ http://winds.jpl.nasa.gov/missions/quikscat/index.cfm ]. QuikScat is managed for NASA's Science Mission Directorate, Washington, D.C., by NASA's Jet Propulsion Laboratory, Pasadena, Calif.
Tropical Cyclone Gonu Observ …
PIA09600
Sol (our sun)
SeaWinds Scatterometer
Title Tropical Cyclone Gonu Observed by QuikSCAT
Original Caption Released with Image June 3 QuikScat observed a rare tropical cyclone in the northern part of the Arabian Sea, threatening the petroleum shipping lanes and the Gulf States (e.g. Oman) that are unprepared for such an event. This is the strongest cyclone to hit the Arabian Peninsula since record keeping started in 1945. The storm reached super-cyclone strength when observed by QuikScat. It weakened as it approached landfall, probably because of the intrusion of dry desert air into the storm. In the images for June 3 and June 5 produced from QuikScat data, white arrows showing wind direction are superimposed on the color images of wind speed. QuikScat, managed by JPL, measures ocean surface wind/stress by sending radar pulses to the surface and measuring the strength of the signals returned. "QuikScat Background" NASA's Quick Scatterometer (QuikScat) spacecraft was launched from Vandenberg Air Force Base, Calif., on June 19, 1999. QuikScat carries the SeaWinds scatterometer, a specialized microwave radar that measures near-surface wind speed and direction under all weather and cloud conditions over the Earth's oceans. More information about the QuikScat mission and observations is available at http://winds.jpl.nasa.gov/missions/quikscat/ [ http://winds.jpl.nasa.gov/missions/quikscat/index.cfm ]. QuikScat is managed for NASA's Science Mission Directorate, Washington, D.C., by NASA's Jet Propulsion Laboratory, Pasadena, Calif.
General Description International Space Station Imagery
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