PMM

In July 2010, monsoon rains put one fifth of Pakistan under water. In December 2010 and January 2011, Tropical Cyclone Tasha and a wet year combined to drown Queensland, Australia. And in the United States this May, flooding on the Mississippi River has displaced thousands of people. Over months or a few short hours, extreme rain can interact with the right combination of topography, land use and climate to trigger deadly and costly floods. Submerged houses in Louisiana due to extreme flooding caused by Hurricane Katrina To better understand and predict floods scientists have developed...

Stormfront approaching the city of Bangalore, India Source: Manish Bansal Constantly scanning the Earth’s surface, the GPM Microwave Imager (GMI) allows scientists to both track tropical cyclones and forecast their progression. Used by NOAA’s National Hurricane Center (NHC), the Joint Typhoon Warning Center (JTWC), and tropical cyclone centers in Japan, India, Australia and other countries, detailed microwave information provides data on the location, pattern and intensity of rainfall. Tropical Cyclone Eunice in the South Indian Ocean on January 28, 2015. GPM's Microwave Imager (GMI) found...

Images Photos and illustrations from GPM, TRMM, and the Ground Validation missions. Videos Videos and animations from GPM, TRMM, and the Ground Validation missions. Frequently Asked Questions Get answers to some of the more frequently asked questions about the GPM and TRMM missions and precipitation measurement in general. Glossary Learn definitions for the terms which are used to describe and explain precipitation measurement. Students and Educators A resource for both teachers and students, learn about the basics of precipitation measurement and get lessons which can be used in the classroom...