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Super Typhoon Haitang
| Title |
Super Typhoon Haitang |
| Description |
Typhoon Haitang is shown here as observed by NASA's QuikSCAT satellite on July 15, 2005, at 08:29 UTC (17:29 in Tokyo). At this time, the typhoon had 185 kilometer per hour (100 knots) sustained winds, giving it a Category 3 rating on the Saffir-Simpson tropical storm scale. Taiwan is located to the west of the storm, not far off the typhoon's path at the time. The image depicts wind speed in color and wind direction with small barbs. White barbs point to areas of heavy rain. The highest wind speeds, shown in purple, surround the center of the storm. Measurements of the wind strength of Typhoon Haitang show sustained winds much stronger than those shown by QuikSCAT observations. This is because the power of the storm makes accurate measurements difficult. The scatterometer 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. Tropical cyclones (the generic term for hurricanes and typhoons), however, are difficult to measure. To relate the radar energy return 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 corresponding ground information to know how to translate data from the satellite for wind speeds above 50 knots (about 93 kilometers per hour or 58 miles per hour). 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 the QuikSCAT Science Team [ http://winds.jpl.nasa.gov/ ] at the Jet Propulsion Laboratory |
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Typhoon Talim
| Title |
Typhoon Talim |
| Description |
Typhoon Talim was a building storm in the western Pacific several hundred kilometers south of Japan when the Moderate Resolution Imaging Spectroradiometer (MODIS [ http://modis.gsfc.nasa.gov ]) on NASA's Aqua [ http://aqua.nasa.gov/ ] satellite captured this image on August 29, 2005. At this time, 1:25 p.m. Tokyo time, it had sustained winds of around 180 kilometers an hour (115 miles per hour) and was heading towards Taiwan at around 15 miles per hour. As of August 30, was being predicted to continue to gather up stronger winds and to strike Taiwan on September 2, and then continue across the Taiwan Strait to make landfall again on mainland China perhaps a day later. The typhoon should reach Category 4 strength, making it another super typhoon, by the time it strikes Taiwan, but should be a weaker Category 1 regular typhoon when it comes ashore on the mainland. The large image provided above has a spatial resolution of 500 meters per pixel. The MODIS Rapid Response Team provides the image in additional resolutions [ http://rapidfire.sci.gsfc.nasa.gov/gallery/?2005241-0829/Talim.A2005241.0425 ], including MODIS' maximum resolution of 250 meters per pixel. NASA image courtesy Jeff Schmaltz, MODIS Land Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at NASA GSFC |
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Typhoon Talim
| Title |
Typhoon Talim |
| Description |
Typhoon Talim was a powerful super typhoon in the western Pacific when the Moderate Resolution Imaging Spectroradiometer (MODIS [ http://modis.gsfc.nasa.gov ]) on NASA's Terra [ http://terra.nasa.gov/ ] satellite captured this image on August 30, 2005. At this time, 11:00 a.m. Tokyo time, it had sustained winds of around 250 kilometers an hour (155 miles per hour) and was heading towards Taiwan at around 15 miles per hour. It was predicted to continue to build strength and strike Taiwan on September 2, and then to continue across the Taiwan Strait to make landfall again on mainland China perhaps a day later. The typhoon was at Category 4 strength as of August 30, making it another super typhoon. It should be a weaker Category 1 regular typhoon when it comes ashore on the mainland. It is the 13th named storm of the Pacific typhoon season, which has seen a record number of storms, and in particular, super typhoons. The large image provided above has a resolution of 500 meters per pixel. The MODIS Rapid Response Team provides the image in additional resolutions [ http://rapidfire.sci.gsfc.nasa.gov/gallery/?2005242-0830/Talim.A2005242.0200 ], including MODIS' maximum resolution of 250 meters per pixel. NASA image courtesy Jeff Schmaltz, MODIS Land Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at NASA GSFC |
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Typhoon Talim
| Title |
Typhoon Talim |
| Description |
Typhoon Talim was a powerful super typhoon in the western Pacific when the Moderate Resolution Imaging Spectroradiometer (MODIS [ http://modis.gsfc.nasa.gov ]) on NASA's Terra [ http://terra.nasa.gov/ ] satellite captured this image on August 31, 2005 at 11:20 a.m. Tokyo time. It had sustained winds of around 200 kilometers an hour (120 miles per hour) and was heading towards Taiwan at around 15 miles per hour. This is somewhat weaker than it was just a day before. The outer edge of the storm is starting to rain onto Taiwan in this image, and the full storm should make landfall in the next day. The typhoon will continue to weaken as it travels over the island, then continue across the Taiwan Strait to make landfall again on mainland China. It is the 13th named storm of the Pacific typhoon season, which has seen a record number of storms, and in particular, super typhoons. NASA image created by Jesse Allen, Earth Observatory, using data obtained from the MODIS Rapid Response team. |
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Typhoon Talim: Natural Hazar
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nasa, nasanaturalhazards
The outer edge of the storm
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talim_tmo_31aug05
| mediatype |
IMAGE |
| mediatype |
image |
| date |
2005-08-31 |
| creator |
NASA -- NASA Image Of The Day |
| identifier |
talim_tmo_31aug05 |
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