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Welcome to the GEOS community!

GEOS-5 wind forecast for Hurricane Katrina (GSFC SVS)

The Goddard Earth Observing System Model, Version 5 (GEOS-5) is a system of models integrated using the Earth System Modeling Framework (ESMF) and (MAPL).

The system includes an atmospheric general circulation model (AGCM) developed for both weather and climate applications using the finite-volume dynamical core (Lin, 2004).


The GEOS-5 systems are being developed in the GMAO to support NASA's earth science research in data analysis, observing system modeling and design, climate and weather prediction, and basic research on tracer transports and moist processes.  To learn more about GEOS-5 software, please visit the MAP GEOS-5 Software page.

User's Guide

Please see our GEOS-5 AGCM User's Guide for help with setting up and running the GEOS-5 AGCM. This "living" set of wiki documents covers issues for both new and experienced users and is continuing to grow on a weekly basis.  Registered Modeling Guru users are encouraged to contribute/edit these wiki documents, and help expand our knowledge base.

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