There are more ways than we knew for the stratospheric polar vortex to get disrupted, shooting cold air southwards across ...

ANNAPOLIS, Md. (AP) — A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a ...

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America’s winter of repeated polar vortex invasions, meteorologists warn. And it will stay frozen ther… ...

What to know about the polar vortex There have been several polar vortex episodes across the United States this winter, with the mass of freezing air surging southward from Greenland and Canada.

NORFOLK, Va. (AP) — The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and Oklahoma in ...

Polar Vortex To Bring Heavy Snow, Travel Chaos to Mid-Atlantic States in Coming Days A hard freeze is expected as far south as Florida Sunday and Monday. A car is wedged between two trucks during icy ...

DES MOINES, Iowa — The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter of repeated polar vortex invasions, meteorologists warn. And it will ...

In Indiana, the National Guard was activated to help stranded motorists. The storm was expected to reach the Mid-Atlantic states on Monday and bitter cold temperatures could grip much of the East ...

ANNAPOLIS, Md. — A huge swath of the United States was blasted with ice, snow, and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the ...

The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and Oklahoma in the coming days and ...