This polar vortex, which could even impact Europe, isn’t expected to just come and go. A deep freeze could extend through the end of February in the US.

A powerful winter storm system that swept across the eastern United States over the weekend, killing at least 10 people, has now shifted westward, with a polar vortex expected to grip the Rockies ...

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.

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.

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 Arctic polar vortex, as described by the National Weather Service (NWS), is a strong band of west-to-east winds that forms in the stratosphere, 10 to 30 miles above the North Pole, during winter.

The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a toasty vacation spot in comparison. At 34 degrees Fahrenheit (1 degree ...

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.