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An orange-themed graphic featuring a large planet-like sphere in the center, resembling Jupiter with swirling patterns of beige and brown. At the top, the text “2025” is visible. The bottom section includes several logos: the European Union flag with “Programme of the European Union,” the Copernicus logo, the Climate Change Service logo, the Atmospheric Monitoring Service logo, and the ECMWF logo. The background is a gradient of warm orange tones.

2025 was the third-warmest year on record, Copernicus data show

The Global Climate Highlights report shows that 2025 was only marginally cooler than 2023, and that the past three years (2023–2025) have averaged more than 1.5°C above the pre-industrial level.
Florian Pappenberger sat in the ECMWF Council Chamber

New Director-General puts collaboration, innovation, computing and people at the heart of ECMWF

Florian Pappenberger took up his new role as ECMWF Director-General on 1 January 2026.

ECMWF's 50th anniversary image showing flags of participating nation states

Closing ECMWF’s 50th anniversary

ECMWF concluded its 50th anniversary year with three days of events in Reading, UK, bringing together Member States, partners and former leaders to reflect on key scientific advances, showcase European progress in machine learning, and celebrate five decades of collaboration and innovation.
David Lavers stood by books

Following the water across a changing planet

From Europe’s rivers to Pacific field campaigns, David Lavers’ work follows the movement of water through the atmosphere and oceans, improving forecasts and climate monitoring through global collaboration and targeted observations.
Blue background with circular Clean Air Forum logo. The logo features cartoon urban environment. In the middle is "EU Clean Air Forum" written in white with the date and location underneath.

ECMWF co-hosts EU Clean Air Forum

ECMWF and the Copernicus Atmosphere Monitoring Service are co-hosting the fifth Clean Air Forum in Bonn, Germany, bringing together scientists, policymakers and industry to assess progress to reduce exposure to air pollution and explore how scientific advances support Europe’s clean-air ambitions.
ECMWF's 50th anniversary image showing flags of participating nation states

Reading hosts final events marking ECMWF’s 50th anniversary

ECMWF’s year-long 50th anniversary celebrations will conclude next week (1–3 December) in Reading, UK, with a series of events and the launch of two new publications.
Blue background with a circle on the left containing text that reads "HPCwire 2025 Readers' and Editor's choice awards". On the right yellow text reads "Winner" and below that white text that reads "Best use of AI methods for augmenting HPC application". The ECMWF logo is below this text.

European collaboration on AI for weather and climate wins HPCwire award

ECMWF and European partners have received the 2025 HPCwire award for “Best Use of AI Methods for Augmenting HPC Applications” for Anemoi, a Python-based framework for creating machine learning (ML) weather forecasting systems.
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ECMWF participates in high-level climate events at COP30

At COP30, ECMWF Director-General Florence Rabier highlighted how closing critical weather and climate data gaps can improve forecasts, strengthen early warnings and deliver global benefits.
Autumn Newsletter image. The background is purple with the ECMWF logo in white. A stacked image of maps is located on the right with a pink box on the left containing white text that reads 'Newsletter No. 185 Autumn 2025: Monitoring heat and cold stress, A new era for CEMS flood forecasting, AIFS ENS becomes operational, Upgrade to IFS Cycle 50r1, Building NEXhub, ten years of climate monitoring

Autumn 2025 Newsletter published

The autumn 2025 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.
Extreme fires in LA either side of a road

ECMWF co-leads State of Wildfires 2024–25 report

ECMWF co-leads and contributes expertise, tools and data to the State of Wildfires report. The report highlights evidence that climate change is intensifying global wildfires, with major impacts on health, ecosystems, and economies.
ECMWF's 50th anniversary image showing flags of participating nation states

Celebrating the past, present and future at 50th anniversary events in Bologna

ECMWF’s 50th anniversary events continued in the historic city of Bologna, Italy, from 15 to 19 September to reflect on achievements, share expertise, and to look to the future of weather forecasting, environmental monitoring and computing.

Photo of ECMWF's HPC illuminated green. The image is slightly swirled

ECMWF makes its entire Real-time Catalogue open to all

ECMWF has made its Real-time Catalogue open, advancing its open data strategy and supporting global efforts to improve early warnings and build resilience.
Blue background with image of Earth with bright green splodges. Words 'Code for Earth' written in white text with 'Final Day' in a green block and '25 September 2025' in white underneath

ECMWF announces winners of Code for Earth innovation activity

The ECMWF Code for Earth programme reaches its Final Day celebration, recognising the participants and ten winning projects which help address challenges in data visualisation, machine learning, and software development.
Anemoi graphic with wind turbines and a cloud graphic above. Above the image is the HPCWire logo with the words '2025 vote now' and 'nominated for: Best AI Product or Technology and Best Use of AI Methods for Augmenting HPC Applications

European collaboration on AI for weather and climate shortlisted for two HPCwire Awards

European collaboration on artificial intelligence for weather and climate has been recognised with two nominations in this year’s HPCWire Reader’s Choice Awards and voting for the awards is now open.
ECMWF's 50th anniversary image showing flags of participating nation states

Bologna hosts next in series of ECMWF 50th anniversary events

Part of ECMWF’s year of activities for its 50th anniversary takes place this week (15–19 September) in Bologna, Italy, including a series of workshops the launch of a new publication.

© Forschungszentrum Jülich / Sascha Kreklau. Source: https://www.fz-juelich.de/en/newsroom-jupiter

Reaching JUPITER: ECMWF celebrates the first European exascale supercomputer

Europe’s first exascale supercomputer, JUPITER, at Forschungszentrum Jülich, Germany, has gone into operation, marking a significant milestone in high-performance computing for weather and climate research.
ECMWF at EMS2025

ECMWF at the EMS Annual Meeting 2025

We are participating in the 2025 Annual Meeting of the European Meteorological Society from 7 to 12 September. Find out about our booth and which sessions our staff are involved in as speakers, poster presenters and conveners.

News highlights January-July 2025

News highlights January to July 2025

ECMWF news highlights in the first seven months of 2025 include updates on our Integrated Forecasting System and our Artificial Intelligence Forecasting System, on initiatives in weather science, and on the EU-funded services implemented by ECMWF.
ECMWF Newsletter No. 184 - top image

Summer 2025 Newsletter published

The summer 2025 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.