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.
However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher arctic blast to ...
A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...
A lobe of the polar vortex, a stormy ring that typically keeps the coldest air locked up near the North Pole, will dip southward into the United States this weekend into next week. Polar air ...
Americans were bracing Thursday for frigid temperatures that forecasters said could produce life-threatening conditions, with ...
State Climatologist Jay Grymes said there could be lows of 20 degrees across the state between Monday and Wednesday and the ...
A polar vortex that has hit much of the U.S. with ice and snow has dealt a glancing blow to Florida, dropping coastal ...
Donald Trump delivered his first inaugural address amid light rain showers in 2017. Snow flurries gave way to breaks in the ...
A polar vortex could cause light snow over the weekend in Knoxville. A polar vortex is to blame for freezing temperatures.
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