3 years ago
What exactly is the polar vortex?
At the start of February 2021, a major snowstorm hit the northeast United States, with some areas receiving well over two feet of snow. Just a few weeks earlier, Spain experienced a historic and deadly snowstorm and dangerously low temperatures. Northern Siberia is no stranger to cold, but in mid-January 2021, some Siberian cities reported temperatures below minus 70 F (minus 56 C). Media headlines hint that the polar vortex has arrived, as if it were some sort of ice tornado that wreaks wintry havoc wherever it strikes.
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