Colorado State University
Real-Time Weather Data
Precip. Sys. Research Group
Colorado State University
Real-Time Weather Data
Precip. Sys. Research Group
Colorado State University
Real-Time Weather Data
Precipitation Systems Research Group
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ECMWF Ensemble Prediction System forecast guidance

The current ECMWF run was initialized at 1200 UTC Thursday May 22 2025.

ECMWF EPS mean: Total accumulated precipitation (click image for animation)
ECMWF EPS mean: Total accumulated precipitation (click image for animation)
ECMWF EPS mean: Accumulated precipitation anomaly (click image for animation)
ECMWF EPS mean: Accumulated precipitation anomaly (click image for animation)
EPS mean: Total accumulated precipitation (Colorado zoom) (click image for animation)
EPS mean: Total accumulated precipitation (Colorado zoom) (click image for animation)
EPS mean: Accumulated precipitation anomaly (Colorado zoom) (click image for animation)
EPS mean: Accumulated precipitation anomaly (Colorado zoom) (click image for animation)
EPS postage stamps: accumulated precipitation (click image for animation)
EPS postage stamps: accumulated precipitation (click image for animation)
EPS postage stamps: accumulated precipitation anomaly (click image for animation)
EPS postage stamps: accumulated precipitation anomaly (click image for animation)
EPS postage stamps: MSLP, thickness, 6-hr precip (click image for animation)
EPS postage stamps: MSLP, thickness, 6-hr precip (click image for animation)
ECMWF EPS percent above/below/near normal
ECMWF EPS: percent of ensemble members with precipitation above/below/near normal (click image for animation)
ECMWF EPS percent above/below/near normal
ECMWF EPS: percent of ensemble members with precipitation above/below/near normal (click image for animation)

ECMWF ensemble plumes: precipitation (click a location)
ECMWF plumes: temperature (click a location)
ECMWF plumes: wind speed (click a location)

DISCLAIMER: The images and data on this site are intended for meteorological education and research purposes and, although they should generally be up to date, are not monitored at all times. Do not use for making decisions where money or lives are at stake. For official forecasts and warnings, visit the National Weather Service.

Walter Scott, Jr.
College of Engineering
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