A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they work.

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation ...

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...

A powerful polar vortex slams an already-frozen state as NOAA warns the deep freeze could last for weeks, bringing extreme ...

Thanks to the polar vortex, the first half of December will bring multiple waves of Arctic air to the U.S. Here's what to expect in Tennessee.

If you couldn’t get enough of the cold temperatures in early December, there’s more on the way for Tennessee this coming ...

Three polar vortex systems are anticipated in December, and the first is expected this week, according to AccuWeather. The ...

The stratospheric polar vortex is expected to strengthen at the beginning of 2026. This phenomenon typically leads to the following conditions: Reduced likelihood of extended cold air outbreaks across ...

A newly released forecast from The Weather Channel also predicts Maryland's chance of having a white Christmas this year.