...
- The data are kept for 30 days.
- The data are stored online in the Fields Database (FDB) on the HPC systems.
- 5.75 days of forecast data are kept: hourly until step 90, then three hourly until step 138.
- Data for the 4 daily runs (at 00, 06, 12 and 18 UTC) are stored
- The Control and 50 Perturbed Forecasts are available, including the Surface and Model level data, not the data on Pressure levels.
- The usual access restrictions to real time forecast data are applicable to these ENS BC data.
- Global atmospheric fields are available. Wave data are not archived.
- This dataset is only available with the 'mars' command run at ECMWF, not through the mars catalogue or the web API.
...
- Model Level PF data: like archived for the CF
- Surface Data: like in the archive
Example MARS request.
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.
RETRIEVE,
DATABASE = fdb5 prod,
NUMBER = 1/to/50,
AREA = 076/-015/050/045,
GRID = 0.18/0.18,
ACCURACY = 16,
TARGET = "mars_ens_[date]_[time]+[step].[number]",
CLASS = OD,
TYPE = PF,
DATE = -5,
TIME = 06,
STREAM = ENFO,
EXPVER = 1,
STEP = 6/to/36/by/1,
LEVTYPE = ML,
LEVELIST = 1/to/91137,
PARAM = Q/T/U/V/LNSP
...