The British Isles experienced severe winter weather on 9 January 2025, with temperatures plummeting to -13.3°C in some regions. The cold snap prompted widespread ice and snow warnings across the UK, adding to over 60 flood alerts issued earlier on 8 January.

An amber cold health alert was also in place for all of England, highlighting the risks of extreme temperatures until 12 January. The weather caused major travel disruptions across air, road, and rail networks and led to school closures throughout Wales, England, and Scotland.

Satellite image showing snow covering parts of the British Isles is visible.
Ireland and United Kingdom. Credit: European Union, Copernicus Sentinel-3 imagery

Captured by the Copernicus Sentinel-3 satellite on 9 January 2025, this image shows snow blanketing parts of the British Isles.

Data from Copernicus Sentinel satellites play a crucial role in tracking snowfall and other environmental conditions, providing vital information to aid authorities in protecting affected communities.

Featured image credit: European Union, Copernicus Sentinel-3 imagery

Image: Colorful building facades along the Nyhavn Canal at Copenhagen Denmark
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