Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

Even in a warming climate, brutal cold snaps still hammer parts of the U.S., and a new study uncovers why. High above the ...

Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a ...

Stratospheric polar vortex changes still trigger brutal U.S. winter cold snaps and extreme weather despite a warming climate.

In A Nutshell A major study of 42 years of data shows severe winter storms have shifted northwest, away from the traditional ...

The condition of the polar vortex influences everyday weather around the globe. Scientist issue warning about concerning ...

The polar vortex – everyone's favorite wintertime whipping boy – is actually a gigantic, circular area of cold air high up in the atmosphere that typically spins over the North Pole ...

The polar vortex is a broad region of freezing air that lives above the North Pole. It can make for frigid weather when the jet stream, which usually holds it in place, bends and lets that cold ...

We've mentioned the polar vortex several times in recent days. We've said, for instance, that it's "a low pressure system that's usually whirling around the North Pole but has weakened and come ...

The polar vortex split will help cause temperatures to plummet and potentially set the stage for some snowstorms. A recent strong "sudden stratospheric warming" event has caused the vortex to weaken.

A researcher expects the polar vortex to strengthen over the next two weeks. This has a big impact on our day-to-day weather here in the Great Lakes region and even the Northeast. Judah Cohen ...