Search ECMWF datasets

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 archive datasets listed below at times between June and October 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.

  1. Multi-model seasonal forecast (STREAM=MMSF) The original data in daily and subdaily frequencies for all the individual members from each one of the forecasting systems. Both forecast and hindcasts are included here. Multi-model seasonal forecast atmospher ...

  2. Miscellaneous/Special Copernicus Emergency Management Service Access the MARS Catalogue version 🔒 Copernicus ...

  3. CERA-20C is the ECMWF 10-member ensemble of coupled climate reanalyses of the 20th century, from 1901-2010. It is based on the CERA assimilation system, which assimilates only surface pressure and marine wind observations as well as ocean temperature and ...

  4. CERA-SAT is a reanalysis dataset spanning 8 years between 2008 and 2016. It has been produced ... of the coupled background trajectory. The CERA-SAT Observation ECMWF Public Datasets web interface offers access ... To produce the CERA-SAT dataset in a reasonable period of time, the period 2008-2016 was divided ...

  5. A pre-operational Data Targeting System (DTS) was developed to assess the feasibility of operational adaptive control of the observing system and as a facility to aid research projects using data targeting. The DTS was developed and hosted at ECMWF. The w ...

  6. The objective of the EU-funded DEMETER project is to develop a well-validated European coupled multi-model ensemble forecast system for reliable seasonal to inter annual prediction. Six comprehensive European global coupled atmosphere-ocean models are bei ...

  7. Century Reanalysis Project is generating a six-hourly, four-dimensional global atmospheric dataset ...

  8. and monthly mean data are available from the  ERA-20C ECMWF Public Datasets web interface. The  ERA-20C ... Observation ECMWF Public Datasets web interface  also offers access to the observation feedback (see ...

  9. as well. A preliminary ERA5 back extension dataset  from 1950 to 1978 is now available. ERA5 combines  vast ...

  10. ERA5-Land is a reanalysis dataset providing a hourly high resolution information of surface ... dataset, as any other simulation, provides estimates which have some degree of uncertainty. ERA5-land ...