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Global Precipitation Measurement (GPM)

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Get the latest GPM, TRMM, and ground validation news, and learn about Earth's weather and climate.
 

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GPM Status Update

GPM Update
2014-06-17 10:48 a.m. EDT

The first set of data from the Global Precipitation Measurement mission is now available to the public.

The data set consists of GPM Microwave Imager instrument observations, called brightness temperatures. Brightness temperatures are a measurement of naturally occurring energy radiated, in this case, by precipitation particles like raindrops or snowflakes. Other data sets, like the rain rate information, will be released later this summer. By themselves, however, the brightness temperatures convey valuable data on the location and structure of storm systems – including tropical cyclones and hurricanes. The earlier-than-expected data release is part of an effort to give forecasters the best possible data for the full summer Atlantic hurricane season.

All GPM data products will be released to the public by September 2. Current and future data sets are available to registered users from NASA Goddard's Precipitation Processing Center website at: http://pps.gsfc.nasa.gov/

› Additional GPM mission updates

Mission Overview

Global Precipitation Measurement (GPM) is an international satellite mission that will set a new standard for precipitation measurements from space, providing the next-generation observations of rain and snow worldwide every three hours. The GPM mission data will advance our understanding of the water and energy cycles and extend the use of precipitation data to directly benefit society.

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Page Last Updated: June 18th, 2014
Page Editor: Karl Hille