A displaced and stretched polar vortex will send multiple waves of Arctic air into the central and eastern United States through mid-December. Business leaders should expect periods of disruptive cold ...

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

The term "polar vortex" gained notoriety back in 2014 due to extreme winter weather, but there's more to this phenomenon than just some low temperatures.

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

A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a Polar vortex actually is, and the dangers — like frostbite — such ...

Polar vortex disturbance is causing frigid Artic air to surge southward, bringing cold temperatures and possibly snow to many regions of the US.

The coldest air of the early winter season is blasting the eastern U.S. on Monday, with single-digit temperatures with the wind chill.

Will the polar vortex change Alabama’s winter outlook and could it set the stage for a white Christmas? Here’s what we know so far.

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