WASHINGTON — We are in the middle of a blast of extreme cold weather in D.C. The polar vortex has shifted, spilling cold air ...

Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said climatologist Barry Keim .

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Central Florida residents are making last-minute trips to hardware stores to stock up on supplies like ice scrapers, firewood ...

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

Many Georgetown University students faced difficulties returning to campus for the first day of classes after a major winter ...

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VIRGINIA BEACH, Va. — Looking ahead to next week, a major arctic blast is expected to settle into Hampton Roads and ...

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These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...