An unusually strong disruption in the upper atmosphere is setting the stage for a winter pattern that could lock much of the ...

A significant change in the atmosphere means the weeks after Thanksgiving could be colder and snowier than normal across ...

A rare stratospheric event is forecast to unleash bone-chilling air from a weakening vortex across the US and New England, ...

Thanksgiving is less than a week away which means the fall season is ending. With it comes colder temperatures from an ...

A sudden stratospheric warming could soon disturb the polar vortex, causing frigid air to spill from the North Pole to North ...

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid ...

But across the country, AccuWeather meteorologists are predicting major travel disruptions as a storm system is set to batter ...

Although a major winter outbreak is not guaranteed, forecasters are watching for below-average temperatures to develop in the ...

Another arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to ...

Brace yourselves; winter is coming. "Polar vortex" may have been the weather catchphrase of last winter, but it's coming back and it's bringing snow and freezing temperatures along with it. While it ...

The phenomenon, known as a sudden stratospheric warming, it's "the largest type of disruption that occurs to the polar vortex ...

Numerous atmospheric signals are indicating this could be a colder and potentially snowier December. Where the active storm ...