Polar Vortex, Cold

Meteorologists had predicted that parts of the U.S. would experience the 10th and coldest polar vortex event this season.
Ushering in the polar vortex is a winter storm, which was tracking from the Midwest toward the East Coast on Saturday. In ...
"polar vortex" usually refers to the gigantic circular upper air weather pattern in the Arctic region, enveloping the North ...
Unable to view our graphics? Click here to see them. Polar vortex and jet stream are both extending southward into the US The National Oceanic and Atmospheric Administration's Global Forecasting ...
More than 95 million people are facing gripping cold Tuesday as a polar vortex sends temperatures plunging to record levels, closing schools, bursting pipes and forcing communities to set up more ...
More than 2,000 flights at major airports around New York and Washington, DC, were delayed on Sunday.
Some of the coldest temperatures are expected in Montana, and avalanche warnings have been issued in Utah, Colorado and Washington.
The heaviest accumulations, possibly a foot (30.5 centimeters) or more, were expected in upstate New York and portions of ...