Due to the move of our Meteorological Archival and Retrieval System (MARS) to the new Data Centre in Bologna there will be no or degraded access to the datasets listed here at times between February and June 2022. Please visit our dedicated data centre migration pages for more information. Thank you for your patience and support during this important move, which will allow exciting scientific developments and overall better service.

Archive Catalogue

You are browsing the contents of the Archive Catalogue. For further information on how to access data from the Archive Catalogue please check our Order historical datasets page.

Operational data

Operational archive	class=od

ECMWF Re-Analyses

15 years reanalysis (ERA15)	class=er
40 years reanalysis (ERA40)	class=e4
ERA Interim	class=ei
ERA-CLIM2 coupled reanalysis of the 20th-century (CERA-20C)	class=ep
ERA-CLIM model integration for the 20th-century (ERA-20CM)	class=em
ERA-CLIM reanalysis of the 20th-century using surface observations only (ERA-20C)	class=e2

Copernicus

Copernicus Atmosphere Monitoring Service (CAMS, previously MACC)	class=mc

Special datasets

YOTC	class=yt