Welcome to the GEFS (Global Ensemble Forecast System). Ensemble forecasts attempt to address the uncertain nature within the operation model. Ensemble forecasts are a good tool for spotting outliers in operation model runs but also are very good at spotting trends in the long term. We run mean charts, ensemble graphs and anomalies vs climatological data.

Play Choose Chart Type 100mb Stratosphere Height & Temperature 10mb Stratosphere Height & Temperature 50mb Stratosphere Height & Temperature 500mb Geopotential Height Pressure/rain/snow/cloud Shaded Pressure Snowfall Average Temperature 850hpa Temperature Wind & Direction N Atlantic 500mb Geopotential Height N Atlantic Rain/snow/pressure N Atlantic Shaded Pressure N Atlantic Snowfall N Atlantic Average Temperature N Atlantic 850hpa Temperaturer N Atlantic Average Wind Choose Chart Type 100mb Stratosphere Height & Temperature 10mb Stratosphere Height & Temperature 50mb Stratosphere Height & Temperature 500mb Geopotential Height Pressure/rain/snow/cloud Shaded Pressure Snowfall Average Temperature 850hpa Temperature Wind & Direction N Atlantic 500mb Geopotential Height N Atlantic Rain/snow/pressure N Atlantic Shaded Pressure N Atlantic Snowfall N Atlantic Average Temperature N Atlantic 850hpa Temperaturer N Atlantic Average Wind

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