PSD Ensemble Forecast Spread

Generate PSD ensemble forecast plot of surface air temperature or precipitation. Plots depict the 1-14 day forecasts from the Medium-Range Forecast (MRF) Model (run daily at PSD in Boulder, CO), emphasizing the spread of the 15 forecast runs. Typically, the most recent forecast available will be from the previous day.

Choose the forecast variable, initial date and location desired:

Variable desired:



Initial date:

Most recent forecast available.
Second most recent forecast.


Input Location:

Longitude: or
Latitude: or
(Refer to map at right)