The tropospheric polar vortex is a normal feature that influences weather across the globe every winter, while the ...

A disturbance in the polar vortex could spill icy cold air south into the United States much earlier than usual, the National ...

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

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

As we look toward mid-December into January, the door is opening for some potentially significant winter weather.

A combination of weather conditions may make it colder than usual across parts of the Central and Northern U.S. next week.

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere.

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

It's been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

The polar vortex is expected to bring an average winter season this year, with the potential for cooler temperatures and more ...

Forecasters are expecting a weakened polar vortex to bring cold air after Thanksgiving. An uncommon occurrence at this time ...