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

While this polar vortex event will not affect Northern California, its presence in the central and eastern U.S. will have an impact on the weather pattern for the West Coast. What is the polar vortex?

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

A polar vortex is currently hitting the United States, ... That includes California, Washington, Oregon and Nevada, as well as Utah, Colorado, Wyoming and Idaho.

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.

Sometimes, as is happening this month, the vortex expands, sending a surge of Arctic air southward into the US. It's happened before, most recently in 2019 and in 2014 , affecting hundreds of ...

Very Cold Weather Is Coming. US About to Get 10th and Chilliest Polar Vortex This Winter The coldest burst of Arctic air this season is coming to put an icy exclamation point on America's winter ...

Very cold weather is coming. US about to get 10th and chilliest polar vortex this winter Every state but Hawaii, California and Florida is likely to get a taste of wind chills of 20 degrees or colder.

Every U.S. state but Hawaii, California and Florida have some or all parts forecast to have a good chance of windchills of 20 degrees or below sometime next week, the National Weather Service ...

(Watch the forecast from Dec. 30 at 4 p.m. in the video player above.) While this polar vortex event will not affect Northern California, its presence in the central and eastern U.S. will have an ...