Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.
Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.
The sudden blast may come as a shock to many Americans after a mostly mild start to winter, but that warmth may be partly ...
A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. Here's what to know in Middle ...
What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...
As a winter storm approaches Western North Carolina and other regions, here's what to know about deciphering forecaster terms ...
The polar vortex is set to bring a winter storm to parts of Mississippi with ice, snow. But extreme cold will last for days.