When the polar vortex stretches, North America feels the chill. New research reveals some of the stratospheric patterns controlling these cold snaps.

January is about to get frightfully colder in parts of the US and it’s time for the first polar vortex of 2025. While such weather phenomena are common at times, the upcoming polar vortex ...

Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this weekend.

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

How cold will it be during the polar vortex? Temperatures could hit single digits in much of the northeast during the polar vortex, according to forecasters.

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.

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

Weather The polar vortex brings its bitter cold to the Southern US Subscribers are entitled to 10 gift sharing articles each month. These can be shared with friends and family who are not subscribers.

That means arctic air is blasting over the US, while pressure changes and the motion of the polar vortex whip up high winds and create a perfect recipe for wintry weather. Cold subsides when the ...

The polar vortex blasts are expected to hit from Jan. 3 to 4, Jan. 7 to 8 and Jan. 11 to 12, according to AccuWeather meteorologist Alex DaSilva. What exactly is a polar vortex, and how can you ...

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.