Polar vortex to send bitter cold to the U.S. including DC area
The polar vortex is a ring of cold air that typically circles the Arctic. A strong jet stream essentially acts like a fence, keeping it locked there. If there's any weakening in the jet stream (the fence), the frigid air can become unstable and spill out. This sends the normally trapped cold air much farther south.
A person walks near the Washington Monument during a winter snow storm in Washington, Monday, Jan. 6, 2025. (AP Photo/Matt ...
Most of the country will likely be hit by an arctic blast this weekend into early next week as the polar vortex ushers ... reach the single digits in Washington, D.C., Philadelphia and Boston.
A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...
An arctic air mass settled over City and much of the country Sunday evening, bringing a deep freeze and the chance of more snow than the city has seen in three years. Between 3 and 5 inches of snow ...
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