The Polar Vortex,an atmospheric phenomenon that shapes our winter weather,has been gaining attention as it undergoes changes ...

Two newly identified patterns in the stratospheric polar vortex can send cold air over North America to cause extreme cold ...

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

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

One new study identifies a 17 percent increase in the destructive potential of the strongest nor’easters, while another ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the ...

The "polar vortex" is a large low-pressure system that lives around the Arctic Circle but occasionally can be split up and send extremely cold weather to lower latitudes like New York.

The polar vortex blasts are expected to hit from Jan. 3 to 4, Jan. 7 to 8 and Jan. 11 to 12, according to AccuWeather meteorologist Alex DaSilva. What exactly is a polar vortex, and how can you ...

The polar vortex blasts are expected to hit from Jan. 3 to 4, Jan. 7 to 8 and Jan. 11 to 12, according to AccuWeather meteorologist Alex DaSilva. Advertisement What exactly is a polar vortex, and ...

The term "polar vortex" usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the coldest ...