ECMWF's meteorological archive contains petabytes of operational and research data. The Meteorological Archival and Retrieval System (MARS) provides facilities for the retrieval of those data in GRIB or NetCDF fomat.
A number of datasets are made available free of charge, including Global Reanalyses (such as ERA-Interim, and ERA5), multi-model (such as TIGGE), and atmospheric composition (such as CAMS near-real-time).
- Discover public datasets
Get the request scripts needed to retrieve the datasets via the public datasets python client. Also download the datasets directly. Terms and conditions may apply.
Further datasets are available under an ECMWF license, including the Operational archive. To see what is available:
- Browse the Catalogue of ECMWF Archived Products (or 'Archive Catalogue')
View the availability of the data, estimate the download size, and get the MARS request syntax needed to download the data using the MARS python client.
The full archive also contains restricted datasets that are only available to authorised users, including special datasets, projects and research experiments.