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 ...

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

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 ...

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.

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.

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

A rare event happening in the stratosphere could affect the polar vortex and cause a colder, snowier December in Michigan.

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