South America GFS Surface Temperature/Wind +72 hour Chart

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About GFS

Global Forecast System. The operational numerical weather forecasting model run by NCEP. The GFS superceded the AVN and MRF models, on which it is largely based. Forecast data from the GFS is available out to 180 hours at full resolution and 16 days at a reduced resolution.

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Weather News

Derecho leaves trail of destruction across Midwest U.S.

13:14 EST

A line of violent winds and severe thunderstorms swept across the Midwestern United States on Monday afternoon, causing significant damage and prompting a rare alert for a meteotsunami in Lake Michigan.

Atmospheric rivers form in both the Indian and Pacific Oceans, bringing rain from the tropics to the south

07:27 EST

A rare pair of atmospheric rivers have formed off Australia this week, channelling tropical moisture to both sides of the nation.