The GMAO Research Site

The Global Modeling and Assimilation Office (GMAO) supports NASA's Earth Science mission. Activities in Earth System modeling and data assimilation aim to maximize the impact of satellite observations on analyses and predictions of the atmosphere, ocean, land and cryosphere.

Science Snapshots
Science Snapshot Archive »
GEOS-Exp 2km Highlights Severe Weather Outbreak, Selected For 2024 HWT Forecast Experiment thumbnail

GEOS-Exp 2km Highlights Severe Weather Outbreak, Selected For 2024 HWT Forecast Experiment

NASA GMAO's experimental 2-km version of GEOS was part of NOAA's 2024 Hazardous Weather Testbed, showcasing the most cutting-edge NWP models during the busiest convective weather month.
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GEOS-S2S-2 Predicts 2024 Mongolia Dzud thumbnail

GEOS-S2S-2 Predicts 2024 Mongolia Dzud

Mongolia saw dangerously low temperatures in February, known locally as a 'dzud.' The GMAO's flagship seasonal and sub-seasonal model saw this weeks in advance.
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March 2024 Sudan Heat Wave Through GEOS-S2S-2 thumbnail

March 2024 Sudan Heat Wave Through GEOS-S2S-2

A heat wave in March 2024 engulfed parts of Africa in temperatures over 45 degrees Celsius. The GEOS-S2S-2 model saw this 3 weeks in advance.
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April 2024 Solar Eclipse - 3-Day Cloud Cover Forecast thumbnail

April 2024 Solar Eclipse - 3-Day Cloud Cover Forecast

The 2024 Solar Eclipse is on April 8! See what the GMAO's weather models predict for the viewing conditions. Spoiler alert: they may not agree with the climatology.
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