Polar vortex, Arctic blast

Major winter storm brings heavy snow to East Coast as Arctic blast puts millions under warnings from Plains to Maine ...
Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send ...
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 polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...
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 series of cold fronts the last few weeks has kept Florida downright chilly, as another winter storm starts to take aim this ...
A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...