Arctic blast, polar vortex

Around 40 million people in the U.S. are under a winter storm warning from an unusual blast of severe winter weather.
According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...
A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.
A polar vortex that has hit much of the U.S. with ice and snow has dealt a glancing blow to Florida, dropping coastal ...
A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...
A winter storm that is expected to begin in Texas next week could end up bringing snow and ice to parts of Florida.
A lobe of the polar vortex will arrive in the United States this weekend, bringing the lowest temperatures in years and snow and ice to the East and Deep South.