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

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 ...

A polar vortex is hitting most of the country in the next few days. What does it mean? How to protect yourself and pets ...

What is a polar vortex? The polar vortex is an area of swirling cold air in the Earth's polar regions. During winter, the polar vortex at the North Pole expands, sending cold air southward ...

Cohen and his co-authors suggest Arctic change favors more polar vortex disruptions, which can trigger more severe winter weather for weeks. Looking ahead several decades, the picture is more ...

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.