Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send ...
These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...
A series of disturbances in the atmosphere is sending the polar vortex south (again) next week with a burst of even colder ...
A potent surge of Arctic air starts settling in Monday evening as a massive dip in the jet stream pulls in frigid air across ...
A series of cold fronts the last few weeks has kept Florida downright chilly, as another winter storm starts to take aim this ...
An arctic air mass settled over New York City and much of the country Sunday evening, bringing a deep freeze and the chance ...
A polar vortex is slated to sweep most of the continental United States bringing a hazardous freeze to millions of Americans ...
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