GEFS Practically Perfect Analysis (Experimental)
28-day statistical guidance for severe hazard probability
Climatology: 1990 - 2019 means based on 14-day windows centered on the selected date (NOT a forecast)
SOM Forecast: Mean and maximum values for synoptic patterns in GEFS ensemble (coming soon)
These products rely on projects, data, and operations supported by NSF and NOAA and would not exist without those resources.
Official severe weather and fire weather forecasts are provided by NOAA/NWS Storm Prediction Center and local National Weather Service offices.