Weather analysts are divided over the polar vortex’s influence on weather and what that means for the rest of this year’s winter.

National Weather Service Warns Americans to Buckle up for ‘Life-Threatening’ Cold as Polar Vortex Returns The joys of winter ...

"It's difficult to disentangle cause and effect and the relative contribution of the stratospheric polar vortex compared to all the weather that ... scientist with the National Oceanic and ...

The polar vortex, as explained by the National Weather Service, is a large area of low pressure and cold air that encircles ...

A winter weather advisory for Columbus, Franklin County and other central Ohio counties is in effect from 8 p.m. Wednesday to ...

Every state but Hawaii, California and Florida is likely to get a taste of wind chills of 20 degrees or colder.

BISMARCK, N.D. — Harsh cold descended on the nation’s midsection Monday as a polar vortex gripped ... killing at least 14 people. The National Weather Service warned of “life-threatening ...

Harsh weather moved west on Monday as a polar vortex was expected to grip ... who died during flooding from heavy rains. The National Weather Service warned of “life-threatening cold” into ...

Harsh weather moved west as a polar vortex was expected to grip the Rockies and the northern Plains after winter storms pummeled the eastern U.S. over the weekend, killing at least 10 people, ...