The polar dance that caused snow to fall across the South in January has been studied for decades, but scientists still hope ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

This system has the potential to evolve into a major winter weather ... unusually cold air in the Northern Hemisphere will move into the Plains and Midwest this weekend as the polar vortex lobe ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the polar regions—here’s how it works ...

A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of ...

During winter, the polar vortex at the North Pole can loosen up and expand, sending cold air south and causing outbreaks of chilling cold weather into the U.S. The worst of the cold temperatures ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

ORLANDO, Fla. – Central Florida is experiencing some delightful weather thanks to a ridge of high pressure. This weather ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...