News

Massimo Bonavita sat at a table in front of books

Helping forecasts start in the right place

After 17 years at ECMWF, Massimo Bonavita looks back on advances in data assimilation and ahead to the role of machine learning in weather forecasting.
ECMWF Member and Co-operating states on blue background

ECMWF strengthens collaboration through Member State visits in early 2026

Member and Co-operating States are at the heart of ECMWF. Regular visits foster collaboration, provide valuable feedback, and help shape future scientific and operational developments.
Blue sky with a thick white fluffy cloud

Applications open for ECMWF's January 2027 in-person training courses

Applications are open for three ECMWF training courses in Reading, covering data assimilation, satellite observations and forecast products through expert-led lectures and practical sessions.
Cover image of CAMS European air quality report 2025 with light yellow background and a circle covered in dots. Logos for the EU, Copernicus, CAMS and ECMWF at the bottom

Copernicus report shows continued air quality improvements across Europe

A new Copernicus Atmosphere Monitoring Service report shows improving air quality across Europe driven by lower emissions, while highlighting how weather conditions can amplify pollution from transport, industry, heating and other sources.
Blue background with ECMWF logo on and white text that reads "event highlights june-july 2026"

ECMWF events bring global communities together

A series of major events brought together hundreds of users, experts and partners to exchange knowledge and shape future services.
Polar map centred on Antarctica showing geopotential height at 50 hPa during a stratospheric polar-vortex split event. Two dark purple vortex centres flank Antarctica, with tightly packed contour lines indicating strong gradients. Colours transition from pale orange to deep purple, highlighting the split structure of the Antarctic polar vortex.

Machine learning opens new opportunities for global reanalysis

A prototype machine-learning reanalysis trained directly on observations reconstructs more than four decades of atmospheric conditions, opening new possibilities for future reanalysis production.
Aerial view of a dry riverbed winding through an arid landscape in East Africa, with sparse vegetation and settlements lining both sides, highlighting severe drought conditions.

ECMWF opens Call for Proposals for SEWA regional pilots on impact-based forecasting in Africa

Regional pilot projects will help strengthen preparedness for hazardous weather and climate-related events across Africa.
A group of children with backpacks on walking on a dusty road in a warm country

ECMWF data used in landmark global study that tracks climate hazards facing children

ERA5 data contributes to new UNICEF report mapping children’s exposure to climate hazards worldwide, supporting more informed risk assessment and decision-making.
Graphic with a blue background, a colourful Earth, the earthkit logo and the text "earthkit 1.0 released"

ECMWF launches earthkit 1.0 for next-generation weather and climate workflows

With earthkit 1.0, ECMWF is making it easier for users to access, analyse and visualise weather and climate data, supporting better services and decision-making.
Irina Sandu photo

Irina Sandu takes up the role of Deputy Director-General and Director of Science and Innovation

Irina Sandu takes up a new leadership role, bringing more than 20 years of scientific and operational experience to help shape ECMWF’s future research and innovation.
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