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

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

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

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 ...

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 ...

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

You may have seen social media posts about it and chatter of big weather pattern changes heading our way, but what's really ...

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