The stratospheric polar vortex is entering its seasonal collapse. But that doesn’t mean calm weather is coming. What's ...

Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex collapse forecast brings the return of winter the Northeast, with brutal cold air returning to New Jersey amid a ...

A rare extension of the Polar Vortex core is currently disrupting the seasonal transition across the Northern Hemisphere. As ...

Add Yahoo as a preferred source to see more of our stories on Google. Ohio and the Great Lakes are bracing for another cold shot later this month — down to single digits in places — as a polar vortex ...

A sudden stratospheric warming event that occurred March 4-8 is starting to show its effects, and its impacts will continue ...

Michigan and the Great Lakes are bracing for another cold shot later month as a polar vortex split in the stratosphere nudges frigid Arctic air south.

While all the warmth of the past few days may make it feel like spring is in full effect, forecasters are saying otherwise.

A rapidly intensifying storm system over the northern High Plains will move eastward toward the Great Lakes Thursday night, ...