Ensemble Forecast Spread Based on NCEP GEFS Reforecasts (V2)

Generate an ensemble forecast plot of surface air temperature and precipitation at a particular geographic location. Plots depict the 15 day forecasts from the 00 UTC Global Ensemble Forecast System (GEFS), run at NCEP in Maryland. Forecast data from the first 11 members of the ensemble are shown in blue, with the ensemble mean shown in red. Data used in these forecast plots will usually, but not always, be updated by 16 UTC each day.

We welcome feedback on this product. Email comments to: psl.reforecast2@noaa.gov .

Choose Location Desired:

(-180 to 180 degrees)
(-90 to 90 degrees)