Jet Stream Connection: A disrupted polar vortex often affects the polar jet stream, making it wobble and allowing cold air to push farther south while warm air moves north in other regions ...

Ranked dead last, or perhaps not mentioned at all, would probably be the only state that sits partly within the Arctic Circle ...

Severe snow, sleet and freezing rain are expected to have major impacts throughout West Virginia and other eastern states.

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

An 'Arctic outbreak' will send polar air streaming south, affecting up to 250 million people across 40 states.

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...

Millions in the U.S. were hit by a major winter storm that created dangerous conditions from the Central Plains to the East Coast.

A polar vortex is slated to sweep most ... The heaviest snow is expected north and west of the I-95 corridor to West Virginia and down East Maine with up to 8 inches expected.