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?

Here in Southern California, residents are grappling with what it means to be back in an official drought and wondering why it is so hot — in January. A second polar vortex is bearing down on ...

Bomb cyclone, atmospheric river, polar vortex: How our weather terminology has grown with recent wild storms Satellite image shows a weather pattern off the West Coast on Wednesday. (NOAA) ...

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.

As the U.S. Midwest and East Coast thawed out from days of bitter, deadly cold, Californians on Friday battened down the hatches ahead of a fierce winter storm carrying heavy rains and high winds ...

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 ...

NASA launches probe on historic mission to study the sun 02:38. NASA instruments captured the moment part of the sun appeared to break off from the giant star and get swept up in a polar vortex.

The polar vortex is technically in the stratosphere, the middle layer of Earth's atmosphere. That area of low pressure is about 20 miles (32 kilometers) above the Earth's surface, Furtado said.

(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 ...