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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.
blue backgound with Earth on and white text reading "Destination Earth Phase three". Logos for ECMWF, Destination earth, the EU, ESA and EUMETSAT are at the bottom

Destination Earth moves into its third phase

Destination Earth enters its third phase, evolving its digital twins and AI to deliver integrated, user-focused capabilities for understanding and preparing for climate change and extreme events.
Atos HPC system in Data Hall 1 of ECMWF's data centre.

Computing power is the backbone for sustaining world-leading weather forecasts

ECMWF highlights strategic importance of high-performance computing at the ISC High Performance conference.
Overhead photo from a drone showing flooding, buildings and people gathering in a group with boats

ECMWF joins global partnership to strengthen early warning systems

ECMWF joins the Risk-informed Early Action Partnership (REAP) to strengthen early warning systems and anticipatory action.
Large group of people in white hard hats lined up in front of the new and under construction Reading ECMWF HQ building

ECMWF Council highlights progress on forecasting, resilience and future capability

The ECMWF Council discussed future priorities, including collaboration with Member States, advances in forecasting and AI, investments in computing, and progress towards a more connected European meteorological infrastructure.
Urban street scene during an intense heatwave, with bright sunlight, traffic, and heat haze rising from the road.

More people at risk from hazardous heat as global heat stress intensifies

New research shows how the frequency, severity, and duration of heat stress have accelerated and intensified across the globe since around 1970, affecting health and livelihoods.
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