The system, known as a polar vortex, is forecast to bring subzero temperatures to the Midwest, Mid-Atlantic and deep into the South. And it looks as if we may get more arctic blasts in the coming ...

The polar vortex, a swirling mass of cold air located over the polar regions, is responsible for the cold. It's bringing extreme cold as far as the Deep South. Overnight lows will be well below ...

The first is the polar jet stream, a huge current of air that circles the globe between 50 and 60 degrees north latitude within the low-altitude troposphere, the same layer of atmosphere where ...

Most of the US will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this ...

What’s shaping up to be the most expansive polar vortex in over a decade is about to plunge much of North America, including nearly all of Canada, into the coldest temperatures the country has ...

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 ...

There's something about polar bears that's always puzzled the people who study them. How do they seem to repel snow? The animals spend their lives in cold climates, sometimes rolling around in ...

Editor's Note for Sat. Jan. 18: A polar vortex is set to impact much of the US. Click here for the latest update. A polar vortex is forecasted to blanket most of the continental United States in ...

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 ...

It looks like it could get even colder heading into next week. Within the last decade, the phrase 'polar vortex' has become popularized in the weather world. In fact, you may have heard it getting ...

Email: [email protected]. Millions of people across the U.S. will experience subzero or below-average temperatures in the coming days as a polar vortex coming from Siberia will usher in a ...

The bitter weather—tied to an Arctic "polar vortex" blast—is expected to bring nighttime lows as cold as minus 23 degrees Fahrenheit (minus 31 degrees Celsius) over the weekend for some of the ...