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Precipitation: OVERVIEW

warn_icon.gif IMPORTANT MESSAGE Nov 23, 2015    Phasing out TRMM Version 6   

GES DISC is in the process of phasing out TRMM Version 6 data that covered the period December 1997 - June 2011. These data were superseded and obsoleted by the much improved Version 7. We also do remind that data from the TMPA Version 7 are still produced, even though the TRMM satellite was decommissioned in April, and deorbited in June, 2015. The Version 6 data will first be reduced in visibility in web search engines  and documentation, and then physically removed from the on-line archives by the end of 2015.

Welcome to the Precipitation Data and Information Services Center (PDISC). Here are some links to help you get started:

Sign Up for the GES DISC Precipitation Mailing List

Sign up for the GES DISC Precipitation Portal listserv to receive announcements on the latest data information, tools and services that become available, data announcements from PPS and more! Contact the GES DISC User Services to be added to the list.

Global Precipitation Measurement (GPM)

GPM LogoAn international satellite mission to be launched by NASA and JAXA in 2014 that will set new standards for precipitation measurements worldwide using a network of satellites united by the GPM Core Observatory.  For more information on the mission visit the Precipitation Measurement Missions informational web site.

The GES DISC will archive the data and provide the same expansive services currently offered to the user community for the TRMM data products. More information will be available as the data gets closer to the launch of the mission.


Search for Precipitation Data

mirador_thumb.jpg TRMM data can be located using our new fast and efficient search interface Mirador.


Explore Precipitation Data with Giovanni

Giovanni IconGiovanni TOVAS, a member of the Giovanni (GES-DISC DAAC On-line Visualization and Analysis System) family,provides users with an easy-to-use, Web-based interface for the visualization and analysis of Earth Science data without having to download the data first.

PDISC Guide for New Users

For users new to the PDISC, we offer a getting started guide.

Precipitation Data Services at the DISC

  • Facilitate data access, information processing to support precipitation research and decision making
  • Nurture cross disciplinary precipitation related research, such as energy and water cycle, aerosol-precipitation interactions

The data holdings at the PDISC consist of remote sensing, in-situ and forecast (to be added in the future) precipitation and ancillary data. The PDISC also provides access to near-real-time and historical precipitation data. The TRMM Online Visualization and Analysis System TOVAS provides a fast and easy way to access the most popular products. While you're here, check out:


Latest News

Submit an image for the 2nd Giovanni Image Hall of Fame Class!
Oct 23, 2015 - Special October 2015 issue of The Giovanni News is Online

Accepting submissions for the 2nd Giovanni Image Hall of Fame Class

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This Cross-Map Plot shows a latitude vs. pressure plot for the region between southern Hudson Bay, Canada, and the state of Florida.  AIRS atmospheric temperature data were averaged over December 15-21, 2004.
Oct 13, 2015 - The Giovanni News September-October 2015 issue is online

Urban Heat Islands in India, Version 4.16 Release Notes, and Federated Giovanni Update

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IMERG near-real-time data showed three tropical storms and typhoons spinning in the western Pacific Ocean on July 7, 2015.
Oct 01, 2015 - Near-Real-Time IMERG Early and Late Run Datasets Available at GES DISC

IMERG: Integrated Multi-satellitE Retrievals for GPM (Global Precipitation Measurement) Mission

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Giovanni-4 serves NASA Earth science data and interdisciplinary research with a multitude of analytical options, faster performance, and portability to other NASA data centers. Giovanni-4 will soon be available as open source software.
Sep 01, 2015 - Giovanni-4 takes center stage at the NASA GES DISC

Faster, more capable data exploration system replaces the previous version (Giovanni-3)

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MODIS image of the tropical Atlantic Ocean, June 24, 2009. Saharan dust and the ITCZ cause hemispheric asymmetry for aerosols and clouds, as described by Kishcha et al. Gray areas are gaps between observational swaths.
Aug 31, 2015 - July and August 2015 issues of The Giovanni News are online

July issue features summaries of six research papers using Giovanni; August issue discusses dust & color palettes

+ Read More…

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Last updated: Mar 26, 2013 03:40 PM ET