One of the key players in these dramatic shifts is something called the polar vortex. The polar vortex is a massive area of cold air located high in the atmosphere, typically spinning over the ...

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it and how does it impact our weather? The polar vortex is ...

Most of the country will likely be hit by an arctic blast this weekend into early next week as the polar vortex ushers in cold air from Siberia and multiple storms roll in and bring the potential ...

A lobe of the polar vortex, a stormy ring that typically keeps the coldest air locked up near the North Pole, will dip southward into the United States this weekend into next week. Polar air ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

The Arctic polar vortex has been pushing icy winds throughout the nation, with swathes of the U.S. blanketed in snow. Half of the country was under either winter storm warnings or winter weather ...

With Monday’s snowfall still piled high on lawns and driveways, much of the Mid-Atlantic looks like the inside of a freezer. Thanks to the polar vortex, it feels like one, too. The Philadelphia region ...