Member State flags in ECMWF Council chamber, Copyright: Stephen Shepherd

We are an independent intergovernmental organisation founded in 1975 and supported by 34 states.

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We produce global numerical weather forecasts for our users worldwide.

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News and background information on ECMWF and its activities.

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For existing and potential suppliers: tenders, bidding rules and more.

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How to get in touch, and how to find us if you are visiting us.