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By bringing together resources from across our Member and Co-operating States, we serve our community by providing world-leading weather forecasts, specialist software, and one of the largest meteorological data archives in the world.

An extensive educational programme facilitates scientific collaboration and equips users to make the most of ECMWF’s products.

We collaborate with the meteorological community at large, including the World Meteorological Organization, space agencies and academia around the world.

Member States

We work closely with our Member and Co-operating States to develop our modelling capabilities, design new products, and evaluate and diagnose forecast quality.

Areas of focus:

Global numerical weather prediction for a range of timescales, from the medium range to sub-seasonal and seasonal

Improving how we use observations and how they are processed

Monitoring satellite data and using it in data assimilation

Machine learning for numerical weather prediction

Non-hydrostatic dynamical cores

Physical process modelling

Multi-model ensembles

Atmospheric composition

Verification methods for severe weather

Reanalysis

Predictability and sources of forecast error

Earth-system modelling (atmosphere, land, ocean and cryosphere)

Applications of weather forecasts in various sectors

We support researchers in the Member States in their wider use of ECMWF’s forecasts and resources, and we strive to strengthen the already good collaboration with the academic community.

ECMWF is a key part of the European Meteorological Infrastructure (including EUMETNET, EUMETSAT, ECMWF and their Member and Co-operating States), which combines resources and capabilities to support national meteorological services with their official duties. With EUMETNET, we collaborate on the EUCOS observing system, which we monitor and for which we carry out global observing system experiments, and on the exploitation of observations.

Short-range forecasts (for a few hours to a few days in the future) rely on very high-resolution limited‑area models run by the national meteorological services, often using boundary condition data from ECMWF. Through the SRNWP project, we support co-operation between organisations developing short-range numerical weather prediction models. Such models are mainly developed as co-operative projects under two large European consortia (ACCORD and COSMO) and by the UK Met Office (as part of the Unified Model).

World Meteorological Organization (WMO)

Assisting the World Meteorological Organization (WMO) is one of ECMWF’s founding objectives and holds an important place in our ten-year Strategy, with an explicit commitment to support training and capacity building in WMO Member States. This partnership includes providing data to WMO Members free of charge, supporting fellowships and projects to improve severe weather forecasting in developing countries, and conducting studies on the impact of observations on the quality of forecasts.

ECMWF has had a formal co-operation agreement with the WMO since 1975.

Find out more about our work with the WMO.

Space agencies

Most of our information about the current weather now comes from satellites. Our long-standing partnerships with space agencies, especially with EUMETSAT and ESA, are crucial for us to benefit fully from satellite data. In return, we provide valuable feedback on the quality of the instruments and regular reports on their impact on global NWP.

We also maintain strong scientific and technical co-operation with agencies in the United States (notably NASA, NOAA, and the Department of Defense), Japan (JMA and JAXA), Korea (KMA), China (CMA) and Brazil (INPE).

Find out more about our work with space agencies.

European Commission

ECMWF works with the European Commission in a variety of ways. Two major programmes we are involved in are the Copernicus Earth observation programme and Destination Earth.

In the Copernicus programme, we are implementing the Copernicus Atmosphere Monitoring Service (CAMS) and the Copernicus Climate Change Service (C3S). We also contribute to the Copernicus Emergency Management Service (CEMS) and work closely with the Copernicus Marine Environment Management Service (CMEMS).

Part of the European Commission’s Green Deal and the Digital Strategy, the Destination Earth initiative will initially comprise several digital twins of Earth. These separate twins will ultimately be joined together to form one comprehensive digital twin of the complete Earth system. ECMWF is a major partner in the initiative, alongside ESA and EUMETSAT; our responsibility is for building the Digital Twin Engine and the development of the first two digital twins – on weather-induced extremes and climate change adaptation.

Under the EU’s Global Gateway strategy driven by the European Commission DG for International Partnerships (DG INTPA) and as part of the Africa–EU Space Partnership Programme (AESPP), ECMWF is one of the implementing entities for the Strengthening Early Warning in Africa (SEWA) initiative alongside the African Union Commission and EUMETSAT.

ECMWF receives funding from a number of EU funding programmes, including Horizon Europe, the Union Civil Protection Mechanism, and EuroHPC. We currently co-ordinate the WeatherGenerator project, using machine learning to build a European generative model, as well as several Copernicus evolution projects (CERISE, CATRINE and CORSO).

ECMWF is a partner in many more projects, which today constitute a significant proportion of the Centre's research activities. We also have a co-operation agreement with the Joint Research Centre (JRC) of the European Commission ().

Other organisations

We have formal co-operation agreements and arrangements with a number of international organisations:

African Centre for Meteorological Applications for Development (ACMAD)

Executive Body of the Convention on Long-Range Transboundary Air Pollution (CLRTAP)

Preparatory Commission for the Comprehensive Nuclear Test-Ban Treaty Organisation (CTBTO)

Regional Integrated Multi-Hazard Early Warning System for Africa and Asia (RIMES)

United States National Weather Service (US NWS) and Office of Oceanic And Atmospheric Research (OAR)

Bureau of Meteorology, Australia

Environment and Climate Change Canada (ECCC)

We also co-operate with the International Research Institute (IRI) to make best use of the Centre’s seasonal predictions.

Climate science community

We work closely with European climate scientists. We provide quality-controlled data on the past, present and future of the climate, with a focus on climate reanalysis. Reanalysis combines information from past meteorological observations with modern forecast models, using data assimilation techniques originally developed for numerical weather prediction. It is increasingly seen as critical to understanding the basis for future climate change scenarios and to train machine learning models.

Earth system models are currently the only way of providing society with information on the future climate. We support the EC-Earth consortium, which develops an Earth system climate prediction and projection model, building on ECMWF's Integrated Forecasting System.

Fellowship programme

The ECMWF Fellowship programme started in July 2014. It aims to foster and formalise links with individuals who are carrying out pioneering scientific and technical research in areas relevant to the strategic goals of ECMWF.

Fellows are appointed by the ECMWF Directorate.

Fellowships are for three years, with the possibility of being renewed once for another three years.

Fellows are encouraged to provide regular, short reports of the key results of their work, for publication on ECMWF’s website and in other relevant publications.

Fellows have access to ECMWF computing facilities and databases, and to a limited amount of annual funding for visits to the Centre to share the results of their research work.

Current Fellows	Appointed
Prof. Sándor Baran, University of Debrecen, Hungary	January 2021; renewed December 2023
Prof. Hannah Cloke, University of Reading, UK	January 2021; renewed December 2023
Prof. Dr Daniela Domeisen, University of Lausanne and ETH Zurich, Switzerland	January 2021; renewed December 2023
Prof. Patrick Eriksson, Chalmers University of Technology, Sweden	January 2021; renewed December 2023
Dr Sebastian Lerch, Karlsruhe Institute of Technology (KIT), Germany	December 2023
Prof. Dr Michaela Hegglin, Forschungszentrum Jülich, Germany; University of Reading, UK; and University of Wuppertal, Germany	May 2025
Prof. Ilias Pechlivanidis, Swedish Meteorological and Hydrological Institute (SMHI) and Uppsala University, Sweden	May 2025
Dr Anthony Weaver, Centre Européen de Recherche et de Formation Avancée en Calcul Scientifique (Cerfacs)	May 2025

Previous Fellows	Appointed
Prof. Tilmann Gneiting	July 2014 to Jun 2020
Prof. Daniel Jacob	Mar 2016 to Feb 2019
Prof. Rupert Klein	July 2014 to Jun 2020
Prof. Tim Palmer	July 2014 to Jun 2020
Prof. Heini Wernli	Mar 2016 to Feb 2022
Dr Christian Grams	Jan 2021 to Dec 2023
Prof. Dr Daniela Jacob	Jan 2021 to Dec 2023
Dr Louise Nuijens	Jan 2019 to Dec 2024
Dr Maria-Helena Ramos	Jan 2019 to Dec 2024
Prof. Marc Bocquet	Jan 2019 to Dec 2024
Dr Gabriele Pfister	Jan 2021 to Dec 2024

National Meteorological and Hydrological Services (NMHSs)

Country	Organisation
Austria	GeoSphere Austria
Belgium	Royal Meteorological Institute of Belgium (RMI/KMI)
Bulgaria	National Institute of Meteorology and Hydrology
Croatia	Meteorological and Hydrological Service of Croatia (DHMZ)
Czech Republic	Czech Hydrometeorological Institute (CHMI)
Denmark	Danish Meteorological Institute (DMI)
Estonia	Estonian Environment Agency
Finland	Finnish Meteorological Institute (FMI)
France	Météo-France
Georgia	National Environmental Agency
Germany	Deutscher Wetterdienst (DWD)
Greece	Hellenic National Meteorological Service (HNMS)
Hungary	Hungarian Meteorological Service (OMSZ)
Iceland	Icelandic Meteorological Office (IMO)
Ireland	Met Éireann
Israel	Israel Meteorological Service
Italy	Ufficio Generale Spazio Aereo e Meteorologia (USAM)
Latvia	Latvian Environment, Geology and Meteorology Centre
Lithuania	Lithuanian Hydrometeorological Service
Luxembourg	MeteoLux, Air Navigation Administration
Montenegro	Institute of Hydrometeorology and Seismology of Montenegro (IHMS)
Morocco	Maroc-Météo
The Netherlands	Royal Netherlands Meteorological Institute (KNMI)
North Macedonia	National Hydrometeorological Service of the Republic of North Macedonia
Norway	Norwegian Meteorological Institute
Portugal	Portuguese Sea and Atmosphere Institute (IPMA)
Romania	National Meteorological Administration
Serbia	Republic Hydrometeorological Service of Serbia
Slovakia	Slovak Hydrometeorological Institute (SHMÚ)
Slovenia	Meteorological Office, Slovenian Environment Agency (SEA)
Spain	Agencia Estatal de Meteorología/State Meteorological Agency (AEMET)
Sweden	Swedish Meteorological and Hydrological Institute (SMHI)
Switzerland	Federal Office of Meteorology and Climatology MeteoSwiss
Türkiye	Turkish State Meteorological Service
United Kingdom	Met Office

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We have formal co-operation agreements with several non-Member States and international organisations; please see Official documents.








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