News

WM Day with AI Weather Quest and Code for Earth logos

ECMWF highlights two competitions on World Meteorological Day

ECMWF highlights two ambitious international competitions on the occasion of World Meteorological Day on 23 March: the AI Weather Quest on sub-seasonal weather forecasts and the 2025 edition of Code for Earth to develop innovative open-source software.
Open data top image

ECMWF to achieve fully open data status in 2025

ECMWF is bringing forward the full transition to open data by an entire year, to 1 October 2025, marking a significant milestone in its commitment to making weather data more accessible and impactful.
Image of EarthCARE satellite in orbit

EarthCARE instruments working together to evaluate atmospheric models

Launched in May 2024, the EarthCARE satellite’s unique combination of instruments – a radar, a lidar, an imager and a broadband radiometer – will improve the modelling of clouds, aerosols and precipitation in a number of different ways.
Stephanie Johnson

Developing ECMWF’s seasonal forecast system

ECMWF’s seasonal forecasts are based on our medium-range forecasts but extend to seven to thirteen months. Stephanie Johnson has a key role in developing and optimising the seasonal forecasting system.
AIFS operational

ECMWF’s AI forecasts become operational

ECMWF has taken the Artificial Intelligence Forecasting System (AIFS) into operations today, 25 February 2025, to run side by side with its traditional physics-based Integrated Forecasting System (IFS) to advance numerical weather prediction.
Florence Rabier signing the SEWA agreement

ECMWF takes leading role in Space for Early Warning in Africa

ECMWF is contributing to the EU-funded Africa–EU Space Partnership Programme that started in January 2025 by taking a leading role in the four-year Space for Early Warning in Africa (SEWA) component.
Internatiomal Women and Girls in Science 2025 graphic showing neural network connecting 8 ECMWF staff

International Day of Women and Girls in Science 2025

To mark the United Nations' promotion of 'full and equal access and participation for women and girls in science', we invited some of our ECMWF colleagues to tell us more about their work. From improving weather forecasts to advancing climate research, their stories highlight the diverse contributions women make to science.
ECMWF Strategy 2025-2034

New 10-year ECMWF Strategy emphasises collaboration and machine learning

ECMWF’s new Strategy from 2025 to 2034 sets out anticipated progress in science, impact and organisation and people. It emphasises the need for collaboration and the future role of machine learning in weather prediction.
ECMWF Newsletter 182

Winter 2024/25 Newsletter published

The winter 2024/25 issue of the ECMWF Newsletter is now available. As well as news about ECMWF staff and events, it features articles about new developments and the use that can be made of ECMWF products.
AI Weather Quest logo

Take part in the AI Weather Quest to advance sub-seasonal forecasting

ECMWF presents the AI Weather Quest, an innovative global competition aimed at advancing sub-seasonal weather forecasting through the application of artificial intelligence (AI) and machine learning (ML).
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