How Does NASA Model Atmospheric Patterns?

Better and faster computers have improved how we model and study Earth. More information is the other piece of the puzzle improving how we model and forecast our planet’s atmosphere.
Since 1980, the 10th anniversary of Earth Day, the number of observing systems, which include satellites, weather balloons, and even instruments flown on commercial airlines, have dramatically increased — from 175,000 observations gathered over a six-hour period in 1980 to around 5 million observations in 2018.
The Global Modeling and Assimilation Office (GMAO) at NASA's Goddard Space Flight Center in Greenbelt, Maryland, uses the Goddard Earth Observing System (GEOS) modeling and data assimilation system to produce estimates of Earth’s atmospheric state by combining short-term forecasts with observations from numerous observing systems. The GEOS modeling system helps us see Earth more clearly and better understand our atmosphere and how it changes.
Music credit: “Favor” by Victor Maitre [SACEM], Universal Production Music
Video credit: NASA's Goddard Space Flight Center/Scientific Visualization Studio
Katie Jepson (USRA): Producer
Will McCarty (NASA/GSFC): Scientist
Will McCarty (NASA/GSFC): Animator
Trent L. Schindler (USRA): Visualizer
Steven Pawson (NASA/GSFC): Scientist
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