NOAA / NCEP · 13 nm · Global
GEFS
ScheduledEnsemblesGlobal Ensemble Forecast System
The 31-member GFS ensemble, four times a day — used for probabilistic wind and routing uncertainty.
- Provider
- NOAA / NCEP (USA)
- Region
- Global
- Resolution
- ~13 nm
- Licence
- Public domain (US Government)
Schedule
Runs 00Z, 06Z, 12Z, 18Z. First data typically ~3h 46m after run time, complete after ~6h 28m.
Runs
The latest runs with when they actually arrived and whether that was on time, then the upcoming runs with the countdown to the first data. Times are in your timezone.
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Punctuality
How reliably this model's runs are published. All models →
Runs recorded
11
On time
100%
Typical delay
1 min early
Bad day
on time
Typical timing per run
How long after a run starts its data usually appears, for each run time. Use it to know when to check.
| Run | Runs | First data, typical | Complete, typical | Complete, slowest 10% |
|---|---|---|---|---|
| 00Z | 3 | +3h 46m | +6h 27m | +6h 28m |
| 06Z | 3 | +3h 45m | +6h 27m | +6h 27m |
| 12Z | 3 | +3h 45m | +6h 27m | +6h 28m |
| 18Z | 2 | +3h 46m | +6h 28m | +6h 28m |
Times after the run's start (the hour in the “Run” column, UTC).
Coverage
Compared with other models
Links
Homepage: https://www.emc.ncep.noaa.gov/emc/pages/numerical_forecast_systems/gefs.php