Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex is sending arctic blasts and chilly temperatures to most of the United States, and states from Texas to Oklahoma ...

A rare and disruptive atmospheric event may soon unfold, raising the prospect of significant weather shifts across the U.S.

More dangerously cold air is on the way for much of the U.S. Will Tennessee be impacted? Here's what to know.

As the National Weather Service explains, the polar vortex is an area of low pressure and cold air that exists over both of Earth’s poles 10 to 30 miles above the surface. The term vortex is used to ...

CHICOPEE, Mass. (WWLP) – Scientists are investigating whether a warming Arctic is changing the behavior of the polar vortex, ...

For example, recent observations indicated that fragments of the polar vortex broke apart, sending freezing air towards Central Florida. This shift can lead to unusual weather patterns, even in ...

There's a confounding dilemma for many folks trying to make sense of winter weather in the context of climate change.

The polar vortex is sending arctic blasts and chilly temperatures to most of the United States, and states from Texas to Oklahoma could see snow, sleet and ice. As of Wednesday, Jan. 21, millions of ...