European Centre for Medium-Range Weather Forecasts

Coordinates: 51°25′10″N 0°57′03″W / 51.41956°N 0.95077°W / 51.41956; -0.95077

The European Centre for Medium-Range Weather Forecasts, ECMWF, is an independent intergovernmental organisation supported by most of the nations of Europe and is based at Shinfield Park, Reading, United Kingdom. It operates one of the largest supercomputer complexes in Europe and the world's largest archive of numerical weather prediction data.

Background

ECMWF was established in 1975, in recognition of the need to pool the scientific and technical resources of Europe's meteorological services and institutions for the production of weather forecasts for medium-range timescales (up to approximately two weeks) and of the economic and social benefits expected from it.

It comprises 21 European countries: