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 ...

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

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

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

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 ...

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

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

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

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

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, ...