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

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

For starters, the Arctic polar vortex is a band of strong westerly winds that form in the stratosphere between about 10 and 30 miles above the North Pole every winter.

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

Polar vortex is not a synonym for “cold snap,” according to the Polar Vortex Blog at Climate.gov, and it’s not the only weather ... a meteorologist and co-author of the Polar Vortex Blog.

The polar vortex has taken on an unexpected pattern this winter - one that’s made part of the United States the most unusually cold place on the planet, at least so far this year.

The polar vortex has taken on an unexpected pattern this winter — one that’s made part of the United States the most unusually cold place on the planet, at least so far this year.

These polar vortex stretches are happening more frequently as the world — and especially the Arctic — warms, a 2021 paper published in the journal Science, also co-authored by Cohen, demonstrated.

Polar vortex is not a synonym for “cold snap,” according to the Polar Vortex Blog at Climate.gov, and it’s not the only weather pattern to blame for blasts of cold air.

The polar vortex might be considered the jet stream’s upstairs neighbor in the wintertime. It appears in September, when a seasonal lack of sunlight begins to make it cooler inside the Arctic region ...