displacing the vortex from its normal position at the poles and possibly moving it over the U.S. A polar vortex collapse is expected over the next two weeks, potentially bringing cold air and snow ...

It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here’s why it keeps happening.

Meteorologists also project a few rainy days ahead, which should aid in relieving areas of New England experiencing weak to ...

The most unusually cold air in the Northern Hemisphere will move into the Plains and Midwest this weekend as the polar vortex lobe zaps the country like a jellyfish tentacle. Temperatures may be ...

Several days into spring, wintry weather will linger as a cold air mass settles in.AccuWeather’s long-range experts say that ...

The cause of the week-long deep freeze? A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of ...

the cold air attached to the Polar Vortex can go on the move. A “Sudden Stratospheric Warming” or SSW is about to occur, starting around March 10, according to Polar Vortex researcher Judah ...

There will be accumulating snowfall to parts of the Northeast just after spring has sprung.A storm moving in from the upper ...

"The stratosphere polar vortex is now weakening rapidly," it added. The polar vortex is a circulation of fast-moving winds that are high up in the stratosphere around 30 miles above the Earth. The ...