Warmth is weakening the polar vortex. Here’s what it means for extreme cold.
Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...
Powerful polar vortex in the stratosphere brings frigid temperatures to US
A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.
Winter weather brings winter storm warnings, polar vortex from Texas to Maine
A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...
AOL11d
Prolonged polar vortex grips much of US with brutal life-threatening wind chills likely in Midwest
A dangerous and potentially life-threatening stretch of cold weather has much of the U.s. on alert as a lobe of the polar vortex invades the nation and ... single digits in the northern Plains and ...
AZ Central11d
Powerful polar vortex in the stratosphere brings frigid temperatures to US
The system, known as a polar vortex, is forecast to bring subzero temperatures to the Midwest, Mid-Atlantic and deep into the South. And it looks as if we may get more arctic blasts in the coming ...
New York Post11d
Polar vortex leaves more than 30 states on alert for dangerously cold weather
A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades the nation and ... extreme danger associated with the cold. In ...