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 ...

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 ...

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.