The polar vortex is a large upper-level, low-pressure area or circulation that typically resides above the Arctic Circle.
A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the coming days.
Most of Virginia is expected to receive 1-4 inches of snow on Monday, just three days after a similar snowfall covered all ...
Arctic wind patterns create a sort of wall around the pole that prevents frigid air from trickling southward. That wall that ...
Morning Overview on MSN
Historic polar vortex freezes 40 states for weeks, Deep South hit
The phrase “historic polar vortex” evokes a country locked in ice from the Great Lakes to the Gulf, but the most reliable ...
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Forecast maps: Polar vortex shift sets stage for New England’s first significant snowstorm Tuesday
The atmosphere is very unsettled, especially with the recent weakening of the polar vortex, which has increased the chances ...
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