The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the ...

The polar vortex that has dealt the most brutal winter ... South Carolina, Maryland and Virginia.

A polar vortex collapse is set to send the mercury plunging as "extreme conditions" sweep across the US and Canada. The meteorological switch-up is set to develop by the middle of the month and ...

Virginia, and Ohio. Frigid cold temperatures expected as polar vortex sweeps across U.S. after deadly weekend flooding In Atlanta, a person died after a falling tree crushed a home during the storm.

A 'polar vortex collapse' is set to plunge the United States back into the frigid weather much of the country suffered through in February. This weather phenomenon is expected to bring more winter ...

BISMARCK, N.D. (AP) — Harsh cold descended on the nation’s midsection Monday as a polar vortex gripped the Rockies ... and mudslides blocked roads in Virginia. In West Virginia, where there ...