Florida has experienced an unusually cold winter with multiple Arctic blasts due to a weakened polar vortex. Another major, widespread freeze in Florida is unlikely for the remainder of the winter ...

Could early February's blast of cold in the northeastern United States be one of the last appearances of our wintertime foe, the polar vortex? While forecasters can't yet say that for sure, a warmer ...

A warming Arctic can stretch the polar vortex, a high-altitude air ribbon, one says. The “wobble” can disrupt the jet stream, causing extreme cold in the East. By Eric Niiler If the planet is getting ...

Dangerously cold temperatures combined with wind gusts up to 60 mph were expected to cause life-threatening conditions across parts of the Midwest, mid-Atlantic and Northeast to close out the week, ...

A weakened polar vortex is allowing frigid air to spill into portions of the U.S. this week, forecasters say. The National Weather Service Weather Prediction Center (WPC) warned in a Thursday update ...

Add Yahoo as a preferred source to see more of our stories on Google. Dangerously cold temperatures combined with wind gusts up to 60 mph are expected to cause life-threatening conditions across parts ...

A displaced polar vortex is expected to bring dangerously cold temperatures to much of the U.S. The arctic blast is driven by a weakened polar vortex, which allows frigid air to move south from the ...

A mass of Arctic air from Canada is bringing brutally cold temperatures to the northeastern United States. Vermont is under Extreme Cold Warnings, with wind chills expected to reach 20 to 40 below ...

This year's relentless winter in the East is about to unleash its most savage cold outbreak yet. "A brutally cold weekend awaits more than 100 million people in the northeastern quarter of the nation ...

Forecast maps show states facing another round of snow later this week as frigid Arctic air is expected to hit the U.S. Northeast. An Arctic front will push from the Great Lakes into the Northeast ...