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Europe could face colder weather as polar vortex weakens

Disruption to winds above Arctic threatens to alter weather patterns across parts of continent in coming weeks The stratospheric polar vortex over the northern hemisphere is facing the prospect of an unusually early weakening.

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated November 2, 2026, 11:00 AM UTC
Key points
  • A major sudden stratospheric warming (SSW) event is possible.

This could influence weather patterns in the following weeks, increasing the likelihood of persistent areas of high pressure across the mid-latitudes and colder conditions weeks later.

Forecast models suggest it could weaken significantly over the next 10 days, when it would typically be strengthening.

How this summary was made: extractive summary — built from the sources' own reporting. It is drawn only from the reporting of the sources listed below — read the originals for full detail. How we summarize →

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