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MERRA is a NASA reanalysis for the satellite era using a major new version of the Goddard Earth Observing System Data Assimilation System Version 5 (GEOS-5). The Project focuses on historical analyses of the hydrological cycle on a broad range of weather and climate time scales and places the NASA EOS suite of observations in a climate context. [ Read More. ]

Sign Up for the MERRA Mailing List

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

[ CLICK IMAGE BELOW TO ANIMATE ]   ·   [ VIEW LARGE ANIMATION ]   ·   [ STOP ANIMATION ]

This visualization shows the development and landfall of Katrina as viewed from MERRA data. See the MERRA blog for a discussion and link to this animation and validating radar data.
> Read More at the MERRA Blog

OpenGrADS Recipes for MERRA Data

A collection of "recipes" for working with MERRA data using GrADS is available on the OpenGrADS.org web site. These how-to guides are part of the OpenGrADS "CookBooks".

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