ERA-Interim is a dataset, showing the results of a global climate reanalysis from 1979 to date. ERA-Interim continues to be updated in near-real-time as new data becomes available.

ERA stands for 'European Reanalysis' and refers to a series of research projects at ECMWF which produced various datasets (ERA-Interim, ERA-40, etcetera).

Product description

Parameters and download

For a list of fields (parameters) in ERA-Interim and for downloading data see the ECMWF dataserver. Note that while ERA-Interim "runs" in near real time, data is published with a few moths delay.

Note that we are aware of several quality issues with ERA-Interim data.

Further documentation

See Berrisford et al. (2011) for detailed documentation of the parameters in this dataset.

An open-access journal article describing the ERA-Interim reanalysis is available from the Quarterly Journal of the Royal Meteorological Society. Additional details of the modelling and data assimilation system used to produce ERA-Interim can be found in the IFS documentation (choose Cy31r1) .

Further detailed documentation on ERA-Interim is available in the ECMWF eLibrary.