GEFS Ensemble Mean Forecasts
Parameter value sums from CONUS grids for a forecast day (x-axis) from a model run time (y-axis)
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.

Ensemble Mean Daily SCP Sum

Supercell Composite

Ensemble Mean Daily STP Sum

Significant Tornado

Ensemble Mean Daily SHIP Sum

Significant Hail

Ensemble Mean Daily CPREC (Thunderstorm Precipitation) Sum


Ensemble Mean Daily Haines Index Sum ("High" Fire Risk)

Haines Index

Ensemble Mean Daily Minimum MSLP (Tropical and Extratropical Systems)

MSLP