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European winter 2026/2027 climate anomaly projections

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2026-10-20 07:01 UTC → 2026-10-21 02:38 UTC · added ~~removed~~

Meteorological projections indicate that the 2026/2027 winter season in Europe may experience atypical and volatile weather patterns. Initial assessments identified that an intensifying Super El Niño in the Pacific, combined with a developing positive Indian Ocean Dipole (IOD), would create opposing ocean temperature anomalies and strong atmospheric circulation responses. Recent updates from the Copernicus Climate Change Service (C3S) and the ECMWF suggest temperatures across most of the continent are likely to be above climatological norms. While cold spells remain possible, the general trend favors milder weather. Snowfall is expected to be lower than average in many regions, particularly in northwestern, southern, and central Europe. Exceptions may include high-altitude areas in the Alps (above 1,800 to 2,000 meters) and colder regions in the north and northeast. By October, seasonal models published by Severe Weather Europe indicate that Western, Central, and Southern Europe are likely to see reduced precipitation. The Balkan region, Scandinavia, and parts of Central Europe are expected to face significant deficits. Specifically, ECMWF updates show a notable downward revision in expected snow for Southern Europe and the Balkans, with the expected deficit increasing from 4.7 centimeters in September to 12.1 centimeters in October. ~~While~~ Newer modeling suggests a potential split in seasonal patterns. The first half of the ~~Super El Niño phenomenon~~ season is projected to be a ‘grey winter,’ characterized by damp, relatively warm, and rainy conditions. While regions like Slovakia and Hungary may see higher precipitation, snow cover is expected to ~~increase snowfall for the southern~~ remain limited to higher altitudes during November and ~~central United States, updated models suggest lower than usual snowfall levels across much of Europe. This~~ December. However, a shift ~~could impact European energy markets by lowering demand for natural gas, electricity,~~ may occur between mid-January and ~~heating energy.~~ late February; high-pressure systems over Scandinavia and the British Isles could draw cold air from Russia into Central Europe.

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