Two very different weather situations will occur across Michigan later today and tonight as a fairly strong Alberta Clipper ...

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

And if the polar vortex is to blame. First, a quick refresher on the polar vortex. The polar vortex is a region of very strong winds that form a circle around the North Pole. The vortex is located ...

At the same time we go into a touch milder southwest flow, the polar vortex will still be churning away over northeast Canada. I don’t expect a full onslaught of the polar vortex to shift south ...

The big winter weather challenge has now come and gone in the form of last week’s polar vortex. The Eastern railroads got doubly lucky as they also had to contend with Winter Storm Enzo, a rare ...

After weeks of bitter subzero temperatures, the Polar Vortex loosens its grip on Upstate New York. Far more tenacious and ...

Elsewhere, a displaced lobe of the polar vortex has brought an unrelenting chill to large parts of the contiguous United States. About 30 states have experienced temperatures well below average ...

The polar vortex is expected to remain on the Canadian side of the North Pole, which will keep an abundant supply of Arctic air readily available to fight back at times against the milder pattern.

Cold outbreaks - including an episode in January 2014 that brought the coldest winter in the Midwest in decades - introduced much of the public to the polar vortex. The phrase refers to a ...