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 ...

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

A rare "daughter polar vortex" is set to plunge millions of Americans into freezing temperatures as a prolonged period of ...

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

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it and how does it impact our weather? The polar vortex is ...

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

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

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

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

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.

As we continue to warm moving into February, it appears latest trends suggest a classic "what goes up, must come down" type ...