NASA Image acquired March 14 - 15, 2010 Two fierce tropical cyclones raged over the South Pacific Ocean in mid-March 2010, the U.S. Navy’s Joint Typhoon Warning Center (JTWC) reported. Over the Solomon Islands, Tropical Cyclone Ului had maximum sustained winds of 130 knots (240 kilometers per hour, 150 miles per hour) and gusts up to 160 knots (300 km/hr, 180 mph). Over Fiji, Tropical Cyclone Tomas had maximum sustained winds of 115 knots (215 km/hr, 132 mph) and gusts up to 140 knots (260 km/hr, 160 mph). The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra and Aqua satellites captured both storms in multiple passes over the South Pacific on March 15, 2010, local time. The majority of the image is from the morning of March 15 (late March 14, UTC time) as seen by MODIS on the Terra satellite, with the right portion of the image having been acquired earliest. The wedge-shaped area right of center is from Aqua MODIS, and it was taken in the early afternoon of March 15 (local time). Although it packs less powerful winds, according to the JTWC, Tomas stretches across a larger area. It was moving over the northern Fiji islands when Terra MODIS captured the right portion of the image. According to early reports, Tomas forced more than 5,000 people from their homes while the islands sustained damage to crops and buildings. The JTWC reported that Tomas had traveled slowly toward the south and was passing over an area of high sea surface temperatures. (Warm seas provide energy for cyclones.) This storm was expected to intensify before transitioning to an extratropical storm. Ului is more compact and more powerful. A few hours before this image was taken, the storm had been an extremely dangerous Category 5 cyclone with sustained winds of 140 knots (260 km/hr, 160 mph). Ului degraded slightly before dealing the southern Solomon Islands a glancing blow. Initial news reports say that homes were damaged on the islands, but no one was injured. Like Tomas, Ului had been moving westward over an area of high sea surface temperatures. This storm was expected to continue moving westward before turning south and eventually weakening. The high-resolution image provided above is at 500 meters per pixel. The MODIS Rapid Response System provides this image at additional resolutions. NASA image by Jeff Schmaltz, MODIS Rapid Response Team, Goddard Space Flight Center. Caption by Michon Scott and Holli Riebeek. Instrument: Terra - MODIS To learn more about this image go here: <a href="http://earthobservatory.nasa.gov/IOTD/view.php?id=43154." rel="nofollow">earthobservatory.nasa.gov/IOTD/view.php?id=43154.</a>.

NASA image acquired March 24, 2010. Tropical Cyclone Imani swirled over the Southern Indian Ocean on March 24, 2010. The same day, the U.S. Navy’s Joint Typhoon Warning Center (JTWC) reported that the storm had maximum sustained winds of 55 knots (100 kilometers per hour) and gusts up to 70 knots (130 kilometers per hour). The storm was located roughly 745 nautical miles (1,380 kilometers) west-southwest of Cocos Island, having traveled toward the south-southwest for several hours. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured this natural-color image of the storm on March 24, 2010. Imani spans several hundred kilometers over the Southern Indian Ocean, producing thin, radial clouds on its northern margin. The storm occurs far from any major landmass. The JTWC forecast that Imani would continue traveling toward the south-southwest until reaching mid-latitude. The storm was expected to eventually turn southward and weaken. NASA image courtesy Jeff Schmaltz, MODIS Rapid Response Team at NASA GSFC. Caption by Michon Scott. Instrument: Terra - MODIS To learn more about this image go to: <a href="http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=43225" rel="nofollow">earthobservatory.nasa.gov/NaturalHazards/view.php?id=43225</a> For more information about Goddard Space Flight Center go here: <a href="http://www.nasa.gov/centers/goddard/home/index.html" rel="nofollow">www.nasa.gov/centers/goddard/home/index.html</a>

NASA image March 29, 2010 Tropical Cyclone Paul spanned the ocean waters between Australia and New Guinea on March 29, 2010. The MODIS on NASA’s Terra satellite captured this natural-color image the same day. The center of the cyclone is along the coast of Northern Territory’s Arnhem Land. Clouds run counter-clockwise across the Gulf of Carpentaria and Cape York Peninsula, over New Guinea’s Pulau Dolok, and over the Arafura Sea. On March 29, 2010, the U.S. Navy’s Joint Typhoon Warning Center (JTWC) reported that Tropical Cyclone Paul storm had maximum sustained winds of 60 knots (110 kilometers per hour) and gusts up to 75 knots (140 kilometers per hour). The storm was located roughly 315 nautical miles (585 kilometers) east of Darwin. The storm had moved slowly toward the southwest over the previous several hours. The JTWC forecast that the storm would likely maintain its current intensity for several more hours before slowly dissipating over land. Credit: NASA/GSFC/Jeff Schmaltz/MODIS To learn more about this image go to: <a href="http://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2010-03-30" rel="nofollow">modis.gsfc.nasa.gov/gallery/individual.php?db_date=2010-0...</a> <b><a href="http://www.nasa.gov/centers/goddard/home/index.html" rel="nofollow">NASA Goddard Space Flight Center</a></b> is home to the nation's largest organization of combined scientists, engineers and technologists that build spacecraft, instruments and new technology to study the Earth, the sun, our solar system, and the universe.