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

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

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, ...

A rare and abrupt disruption in the Arctic polar vortex is expected to impact spring temperatures across Europe and parts of the United States. Scientists are monitoring the event closely, as the ...

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 ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

The polar vortex is area of fast-moving winds well above the Earth’s surface and the jet stream that circle the Arctic during the Northern Hemisphere’s coldest months.

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

Weather The polar vortex: What to know about the weather feature responsible for the arctic blast Published: Jan. 04, 2025, 5:00 p.m.

The deadly cold front was tied to a misshapen Arctic polar vortex. In the winter, this mass of air swirling above the North Pole can push deadly winter weather into southern latitudes.