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

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

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

Apolar vortex is unleashing extreme winter weather across the United States, affecting millions with dangerous cold, heavy snowfall, and treacherous icy conditions. The US National Weather Service ...

Specifically, the National Weather Service in Cleveland said a couple of inches of snow are possible in northwest Pennsylvania, with an inch or less in northeast Ohio. Cover your plants!

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need to know.

The polar vortex is aways around - it just normally stays near the North Pole. But when it descends into our area, get ready for really cold weather.

As clarified by the National Weather Service, the term “vortex” refers to the counter-clockwise flow of winds that bottle up the arctic air and keep it near the poles.

Bundle up and prepare: People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, a meteorologist says.

During the winter, in the northern hemisphere, the polar vortex will expand and send cold air southward, according to the U.S. National Weather Service.

The National Weather Service (NWS) previously forecast a high likelihood of Florida experiencing below-average temperatures this January.

Bitter temperatures are forecast to hit swathes of the U.S. this weekend as a polar vortex—the area of cold air that circulates around the Arctic—expands, with the National Weather Service ...