There are more ways than we knew for the stratospheric polar vortex to get disrupted, shooting cold air southwards across ...

Stratospheric polar vortex changes still trigger brutal U.S. winter cold snaps and extreme weather despite a warming climate.

Even in a warming climate, brutal cold snaps still hammer parts of the U.S., and a new study uncovers why. High above the ...

The mechanism involves atmospheric waves that bounce between the upper atmosphere and ground level, amplifying weather patterns and making them more extreme. Scientists call this “stratospheric wave ...

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

Because of an unstable polar vortex, experts have projected record low levels of Arctic sea ice for the coming winter.

Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor plans.

There is a sudden warming about to happen high up in the atmosphere. This warming usually affects the Polar Vortex.

And while the weather will remain relatively warm for the next week, a polar vortex collapse expected over the next two weeks may bring cold temperatures and even snow to Columbus.

The polar vortex has been “considerably stronger” than usual this year, according to Laura Ciasto, a meteorologist with NOAA’s Climate Prediction Center, which should keep record-breaking ...

You might have heard the term “polar vortex” thrown around during the winter months, but what does it really mean and how does it affect us here in sunny Central Florida?

Nation World Very cold weather is coming. US about to get 10th and chilliest polar vortex this winter ...