Arctic blast, Polar vortex

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...
An arctic air mass settled over New York City and much of the country Sunday evening, bringing a deep freeze and the chance ...
With severely cold temperatures forecasted in York County this week, utility companies are advising customers to take safety ...
Several businesses and organizations have announced closings and cancellations ahead of the extremely cold temperatures.
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 slated to sweep most of the continental United States bringing a hazardous freeze to millions of Americans ...