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 ...

Experts have shared their insights on the 'complex' weather phenomenon amid fears it could leave vast swathes of the country ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by treacherous conditions.

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

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

The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...

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

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

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 ...

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

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