Meteorologists monitor El Niño and polar vortex for winter forecasts

Meteorologists are monitoring several atmospheric and oceanic factors to predict the upcoming winter season in Central Europe. Key indicators include the strength of El Niño and the stability of the polar vortex.

There is a high probability that El Niño will remain strong through the autumn and winter, which can alter global atmospheric circulation. However, its specific impact on European weather remains complex and does not guarantee a snowy or cold winter. Other critical factors include the formation of the polar vortex over the Arctic; if this vortex is disrupted, arctic air could penetrate further south into Europe.

Current outlooks suggest high variability rather than a stable seasonal pattern. This could result in significant temperature fluctuations, where periods of warmth are interrupted by brief, sharp cold spells. The interaction between Atlantic air currents and high-pressure systems over Greenland and Scandinavia will also play a decisive role in determining whether the winter is mild or severe.