The forecast released Oct. 16 predicts where above- or below-normal temperatures and above- or below-normal precipitation are ...

The polar vortex is a broad, fast ribbon of cold air that encapsulates the Arctic high in the stratosphere. Stable, it confines cold air near the North Pole. Unstable, it is rocked and stretched out ...

The polar vortex is shifting — and its impact could be devastating. This documentary explores how it may transform weather and climate this decade.

The polar vortex is not a synonym for “cold snap,” according to the Polar Vortex Blog at Climate.gov, and it’s not the only .

The polar vortex is stirring up and bringing the earliest signs of changing weather. Here's when and what to know about the first frost ...

Fans in Green Bay suffered through frigid temperatures, thanks to Arctic air that has come southPhoto by Ronald Martinez/Getty Images It’s polar bear weather today for much of the Midwest.

Climate change is disturbing wind patterns across the globe in dramatic ways. And when combined with land-use change and ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

It's getting chillier in Alberta, and news of a phenomenon known as La Niña developing has made an impact on the winter ...

The polar vortex, the crippling North Pole hurricane that is turning boiling water turn into snow and wreaking havoc with air-travel across the nation, is also threatening oil production and hydraulic ...

The average (mean) of weak La Niña winters is about 5 inches more snow than our normal of 52 inches in a winter season, but ...

The mean first frost in the Providence is Oct. 23, but that varies by town. See the cities and towns the National Weather ...