A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe.

The polar vortex could bring a cold blast to millions across America in the second half of March, AccuWeather said in a media advisory sent to Rigzone recently. “AccuWeather long-range experts ...

As the National Weather Service explains, the polar vortex is an area of low pressure and cold air that exists over both of Earth’s poles 10 to 30 miles above the surface.

After last month’s polar vortex collapse, a second one is expected to unleash freezing conditions across North America. With the winter weather phenomenon predictions eyeing a mid-March comeback ...

Weather analysts are divided over the polar vortex’s influence on weather and what that means for the rest of this year’s winter. The polar vortex is an area of low pressure and cold air that ...

Winter, which is warming faster than any other season for much of the US, seems to be making a comeback for the first time in years; this January was the coldest in the Lower 48 since 1988.

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.

One thing is sure, the phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid weather, experts told USA TODAY. Polar vortex is not a ...

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.

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.