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 ...

Forecasters have told homeowners to brace for a new ice storm after predicting that the polar vortex would 'split' off and ...

The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region up north. This ...

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

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

The weather flow is gradually changing now and as we head into early February. Our storm systems will come from the west and ...

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

Metro Vancouverites may face unseasonably cold weather as February continues thanks to the stratospheric polar vortex.

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

Americans have been warned to brace for more winter storms as Arctic winds are set to dump more ice and snow amid freezing temperatures.

A lobe of the polar vortex, a stormy ring that typically keeps the coldest air locked up near the North Pole, will dip southward into the United States this weekend into next week. Polar air ...

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