Let's jump into the polar vortex on this week's Weather IQ. The polar vortex refers to a large area of cold air that sits in the upper atmosphere over the poles. This area of air is kept in place in ...
The Canadian Press on MSN21m
Polar vortex keeps much of the US in its icy gripA huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend ...
Seven US states declared emergencies owing to the polar vortex of icy air that usually circles the North Pole.
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