Colder air is returning to the central and eastern U.S. as the polar vortex becomes more active, bringing fluctuating ...

The Arctic Oscillation is a metric used to describe the strength of the polar vortex, or mass of arctic air that rotates ...

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation that usually spins quietly above the pole can suddenly send lobes of Arctic ...

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

December football often means playing in the elements, and while we got a bit of a taste of that in Week 14 -- Josh Allen dashing through the snow in the Bills' thrilling win over the Bengals comes to ...

Forecasters say the first snow storm of the season to take aim at major Northeast cities will dump several inches of snow over the weekend, followed by a bitter Arctic blast courtesy of the polar ...

NEW YORK — Millions along the Interstate 95 corridor on the Northeast coast will see their first significant winter storm of the season this weekend, as a fast-moving system takes advantage of ...

According to the FOX Forecast Center, the circulation of the Polar Vortex will weaken into the weekend, which will allow more cold air to spill into the Midwest and Northeast, priming the pump, so to ...