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
January 2024 ENSO Update thumbnail

January 2024 ENSO Update

GEOS-S2S_2.1 model forecasts for ENSO and the ongoing El NiƱo further into 2024.
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Sudden Stratospheric Warming Event thumbnail

Sudden Stratospheric Warming Event

GEOS-Forward Processing (FP) model depicts a sudden stratospheric warning event in January 2024.
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Early Season Snowfall in the Northeast US thumbnail

Early Season Snowfall in the Northeast US

Model outputs from GEOS-FP 12km and GEOS-Exp 4km depict an early season snowfall in the mid-Atlantic and northeastern United States on December 11th, 2023.
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Google Earth Engine Data Fusion Tool to Support Air Quality Managers thumbnail

Google Earth Engine Data Fusion Tool to Support Air Quality Managers

Many information sources can support air quality assessment and forecasting, including atmospheric chemistry models, satellite retrievals of column chemical and aerosol constituents, and surface-based air quality monitoring data from both regulatory and low-cost instruments.
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