GEFS
NOAA Global Ensemble Forecast System guidance with ensemble probabilities, standardized anomalies, spaghetti plots, and point forecast tools.
Open GEFS →Ensemble Weather Viewer
Select an ensemble prediction system. All three viewers provide interactive forecast guidance, probabilities, anomalies, atmospheric fields, and point plume tools.
EC EPS
ECMWF Ensemble Prediction System guidance with ensemble probabilities, standardized anomalies, atmospheric fields, and point forecast tools.
Open EC EPS →AIFS ENS
ECMWF Artificial Intelligence Forecasting System ensemble guidance with standardized anomalies, spaghetti plots, precipitation probabilities, and point forecast tools.
Open AIFS ENS →Model Status
Ready runs have all configured forecast times and map products published. A newer run can still be building; products finish at different times. All initialization times are UTC.
Checking the latest status…
| Model | Latest ready run | Run in progress | Progress / status |
|---|---|---|---|
| GEFS | Not verified | Not verified | Checking… |
| ECMWF EPS | Not verified | Not verified | Checking… |
| AIFS ENS | Not verified | Not verified | Checking… |
Configured ranges: GEFS F000–F384; ECMWF EPS F000–F240; AIFS ENS F000–F360, at six-hour intervals. Accumulation and temperature-extreme products start later. Viewer access limits still apply.