ERA5 data in MARS can be accessed with the CDS API by specifying dataset whereas member state users can access data in MARS by specifying class and expver, according to the following table:
| CDS API access to MARS (specify the dataset) | Member state access to MARS (specify class and expver) |
|---|
| ERA5 | reanalysis-era5-complete | class=ea, expver=0001 | | ERA5.1 | reanalysis-era5.1-complete | class=ea, expver=0051 | | ERA5T | not NOT available at the moment | class=ea, expver=0005 | ERA5 back extension 1950-1978 (Preliminary version) | reanalysis-era5-complete-preliminary-back-extension | class=ea, expver=0098 |
Subdivisions of the data are labelled using the keywords stream, type and levtype: Stream: - oper (HRES sub-daily)
- wave (HRES sub-daily, for waves)
- mnth (HRES synoptic monthly means, ie by hour of day)
- moda (HRES monthly means of daily means)
- wamo (HRES synoptic monthly means, ie by hour of day, for waves)
- wamd (HRES monthly means of daily means, for waves)
- enda (EDA sub-daily)
- ewda (EDA sub-daily, for waves)
- edmm (EDA synoptic monthly means, ie by hour of day)
- edmo (EDA monthly means of daily means)
- ewmm (EDA synoptic monthly means, ie by hour of day, for waves)
- ewmo (EDA monthly means of daily means, for waves)
Type: - an: analyses
- fc: forecasts
- em: ensemble mean
- es: ensemble standard deviation
Levtype: - sfc: surface or single level
- pl: pressure levels
- pt: potential temperature levels
- pv: potential vorticity level
- ml: model levels
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