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 ...
Americans were bracing Thursday for frigid temperatures that forecasters said could produce life-threatening conditions, with ...
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 ...
A polar vortex could cause light snow over the weekend in Knoxville. A polar vortex is to blame for freezing temperatures.
So, as the Deep South grapples with the foreign language of snowflake icons making a (for some, repeat) appearance in weather ...
A lobe of the polar vortex will arrive in the United States this weekend, bringing the lowest temperatures in years and snow and ice to the East and Deep South.
The North American Electric Reliability Corp. (NERC) — which oversees the reliability and security of America’s bulk power ...
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