News

Cover of ECMWF Newsletter 188 (Summer 2026) featuring a coloured weather data map background and headlines on ocean data assimilation, European heatwaves, data-driven Earth system models, forecast model parameters, and Bologna data centre network architecture.

Summer 2026 Newsletter published

The summer 2026 ECMWF Newsletter is available to read.
Jørn Kristiansen stood in front of a wall

Dr Jørn Kristiansen begins role as Deputy Director-General and Director of Forecasts

Dr Jørn Kristiansen joins ECMWF as Deputy Director-General and as Director of Forecasts., bringing more than two decades of experience in forecasting, innovation and user-focused weather services.
Atos HPC system in Data Hall 1 of ECMWF's data centre.

High-performance computing at ECMWF

High-performance computing supports ECMWF’s forecasting and research, providing the power needed to run weather models, process observations, train AI systems, and store vast quantities of data.
Blue background with Europe outline and ECMWF logo with white text 'at the EMS annual meeting 6-11 September 2026'

ECMWF at the EMS Annual Meeting 2026

We are participating in the EMS Annual Meeting from 6 to 11 September. Find out which sessions our staff are involved in as speakers, poster presenters and conveners.
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.
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