The polar vortex is generally located near the north pole, trapping cold air within the arctic when it is strengthened. However, when the vortex is weakened, it breaks up and allows the cold air. 2 days ago · in seven to 14 days, a blast of arctic air will wash over the eastern half of the united states, forecasters say. There is a “pretty good chance” the vortex will bring with it “significant.
When the polar vortex gets weaker, or breaks up, it unleashes cold air to the south. People bear the cold in.
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