Winter weather lingers as a major shift in the weather pattern could have millions across the United States once again ...

As the National Weather Service explains, the polar vortex is an area of low pressure and cold air that exists over both of ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the ...

A polar vortex collapse is expected over the next two weeks, potentially bringing cold air and snow to North America, according to The Guardian. It could be the final vortex collapse of the season.

Geographic Location Wisconsin, nestled in the northern reaches of the United States, finds itself uniquely positioned to ...

The Unexpected Chill The Southern United States is no stranger to peculiar weather patterns, but this January has been ...

While temperatures are expected to rise in the coming days, polar vortex air is predicted to hit the United States again during the first week of March, bringing freezing temperatures to much of ...

Scientists say it’s being caused by a misbehaving polar vortex combining with a key weather pattern that seems to be stuck in place. Some scientists say these factors and this winter could be ...

RELATED: Bay Area begins transition from rainy and windy to sunny and cold Scientists say it’s being caused by a misbehaving polar vortex combining with a key weather pattern that seems to be ...

January and February have been colder than normal in Rochester this year One reason its so cold in Rochester is a distortion in the polar vortex Other factors include tropical fluctuations that ...

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the ...