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 ...
Many people across the United States may recall the polar vortex episode of early 2014. For the Midwest, it turned out to be the coldest winter in over 30 years. In Washington, D.C., January ...
Americans were bracing Thursday for frigid temperatures that forecasters said could produce life-threatening conditions, with ...
Evening Forecast Jan. 18 If you haven't been paying attention as Donald Trump's Cabinet picks sat through Senate confirmation ...
Snow is expected to taper off around Denver by the early afternoon, while temperatures will remain well-below freezing ...
Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the ...
Frigid arctic air due to a polar vortex is about to send temperatures plunging for millions of Americans across the U.S., and ...
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