ERA-Interim is the latest ECMWF global atmospheric reanalysis of the period 1989 to present.
ERA-Interim products can be retrieved from MARS (class=ei, expver=1) or downloaded from the
ECMWF Data Server. Please see the ERA-Interim archive document
for a full description of the available products. When using the data server, please refer to our list of
frequently asked questions.
ERA-Interim products on MARS and the data server are normally updated once per month, allowing a two-month delay for
quality assurance and for correcting technical problems with the production, if any. Product updates will be announced here as soon as
they occur.
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Product availability as of 2 September 2010: |
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ERA-Interim data are now available for dates from 1 January 1989 to 30 June 2010.
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For technical questions related to the modeling and data assimilation system used to produce ERA-Interim, please consult the IFS Cy31r1 documentation. We are aware of several known quality issues with ERA-Interim data.
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NEW: Climate monitoring products |
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Time series of global 2m-temperature anomalies, and many other climate indicators produced from ERA-Interim and ERA-40 monthly data.
Plots are updated monthly. The most recent two months of ERA-Interim data shown are provisional and therefore subject to change. |
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Support for reanalysis activities at ECMWF is provided by various institutions and externally funded research programmes, as well as the ECMWF Member States.
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