The Global Forecast System forecasts 0.25° Web service, available worldwide, delivers time series of Temperature (at 2 m), Relative Humidity (at 2 m), Pressure (at 2 m), Wind speed and direction (at 10 m), Rainfall, Snowfall, Snow depth, and Short-wave irradiation (GHI). Time steps range from 1 min up to 1 month (original data are every 3 hours). The spatial resolution is 0.25° (approx. 28 km). Data are available from 1 month ago up to day+3.

GFS is a weather forecast model produced by the National Centers of Environmental Prediction (NCEP). More information at ncdc.noaa.gov/data-access/model-data/model-datasets/global-forcast-system-gfs

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