How climate change causes extreme winter weather in Europe and North America
Warming events in the stratosphere over Siberia cause a shift of the polar vortex, pushing parts of it towards Europe and the other part towards North America. The freezing cold winds coming from the arctic cause intense winter weather in regions, where usually relatively mild winters are to be expected. With the rising temperatures in the Arctic these events could become more common, especially when considering the fact, that the Arctic temperatures rise twice as fast as around the rest of the globe.
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