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TRMM Tropical Rainfall Measuring Mission
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The Tropical Rainfall Measuring Mission (TRMM) is a joint mission between NASA and the Japan Aerospace Exploration Agency (JAXA) designed to monitor and study tropical rainfall.

Click here to see material from The Third NASA/JAXA International TRMM Science Conference held in Las Vegas, Nevada from February 4-8, 2008.

Click here to see Photographs taken at The Third NASA/JAXA International TRMM Science Conference.


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DEVASTATING TROPICAL CYCLONE NARGIS HITS MYANMAR
Powerful Cyclone Nargis made landfall this past weekend in Myanmar. Cyclone Nargis is the deadliest cyclone to hit Asia since 1991, when 143,000 people perished in Bangladesh from a land-falling cyclone that year. The Associated Press noted that a Myanmar state-run radio station reported on May 5, that more than 22,464 people were confirmed dead, and thousands were missing. The United Nations estimates up to a million could be homeless. Before coming ashore NARGIS intensified to become a powerful category four tropical cyclone with wind speeds estimated at 115 knots (132 mph). NARGIS, the first tropical cyclone of the North Indian Ocean season, is shown in the image above when NARGIS was overflown by the TRMM Satellite on 3 May 2008 at 0043 UTC. By this time NARGIS had weakened to mininal hurricane force with wind speeds of about 70 knots (80 miles per hour).

Quicktime rainfall animation (2.5 mb) MPG rainfall animation (1.7 mb)

Although very strong winds were responsible for much of the damage with Nargis, flooding and mudslides were also possible due to heavy rainfall. TRMM was used to calibrate rainfall estimates from other satellites in the rainfall analysis shown above. The TRMM-based, near-real time Multi-satellite Precipitation Analysis (MPA) at the NASA Goddard Space Flight Center monitors rainfall over the global Tropics. MPA rainfall totals from April 27 to May 4, 2008 are shown above in relation to the NARGIS track (identified by the storm/cyclone symbols connected by a black line).


This graph shows a time series of rainfall over southern Myanmar and the Andaman Sea with almost 600 Millimeters (23.6 inches) of rainfall in some areas.


Images and caption by Hal Pierce (SSAI/NASA GSFC)

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link to  3 hourly rainfall image + a week of global rainfall accumulation link to images showing potential flood areas rain accumulation plots and  realtime PR vertical slice images link to Latest 30 Day average rainfall image, anomalies image  and
 ENSO Precipitation Index (ESPI) information. link to averaged monthly rainfall (3B43) Link to the latest quicklook at TRMM orbits  Link to the Educational CLASSROOM MODULES (pdf files)  and VIDEOS

(July 9, 2007) Google Earth Downloads

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Curator: Harold.F.Pierce@nasa.gov
NASA Official: Dr Scott A. Braun
Last Updated: Monday May 5, 2008

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