Least this conclusions we should read from ensemble forecasts for Stockholm
Similar conditions are forecasted for London and Warsaw , while southern parts of Europe won´t be so luckly
According to last runs of GFS, from 27.1.2021 12Z and 18Z, frosts only -17/-22°C should surprise Alpine and Carpathian basins and valleys between Sunday-Tuesday, 31.1. – 2.2.
Already following weekend, 6.-7. Feburary should Siberian air shift over Scandinavia, Poland and Germany up to British Island, Benelux, France and Spain, with promised strong frosts
However, Wednesday´s outputs of main run are again little warmer than previous, with -20/-25°CC probability in Alpine and Carpathian basins, maybe -20°C in northern Poland, and around -40°C in central Scandinavia
Approximately 1/3 of runs however for period between 5.-20. Feburary for Warsaw temperature in 850 hPa slightly below -15°C , what should mean 33% probability of even stronger frosts during the period .
After 20. February it looks like early spring preliminary Iberian Peninsula are expected summer days (above +25°C) already during the next period.
Forecasts will be furthermore updated and Mkweather brings every day fresh news.
T850 hPa anomalies at the weekend 6.-7. February according to latest runs of GFS /wxcharts.com, wetterzentrale.de
Ensemble forecasts for chosen cities in Europe /wetterzentrale.de
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Marek Kučera 
