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

The phrase “historic polar vortex” evokes a country locked in ice from the Great Lakes to the Gulf, but the most reliable records show a patchwork of extreme outbreaks rather than a single, weeks-long ...

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

The polar vortex phenomena is making this December much colder than average. Students should prepare themselves for changes ...