Arctic blast, Polar vortex

Still, several Colorado school districts will start late on Tuesday as the state waits out the last of subzero temperatures.
Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send ...
According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...
These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...
With severely cold temperatures forecasted in York County this week, utility companies are advising customers to take safety ...
An arctic air mass settled over New York City and much of the country Sunday evening, bringing a deep freeze and the chance ...
Several businesses and organizations have announced closings and cancellations ahead of the extremely cold temperatures.
A polar vortex is slated to sweep most of the continental United States bringing a hazardous freeze to millions of Americans ...