Two newly identified patterns in the stratospheric polar vortex can send cold air over North America to cause extreme cold ...

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

Rather, a polar vortex is a "well-known feature of Earth's atmosphere that describes the high-altitude winds that blow around the pole every winter, miles above us in a region called the ...

The polar vortex can't be felt in the United States or anywhere on Earth. Brutally cold temperatures are heading to the Midwest and Northeast this week -- but don't mistake this for a polar vortex ...

Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a ...

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

Move over, haboob. See you next summer, heat dome. The weather phenomenon hogging all the attention now is "polar vortex."Twenty-six states are under wind-chill warnings or watches, and the polar ...

Because this is the Polar Vortex Blog, ... However, there are a few reasons we feel like that connection is more uncertain than many news stories and social media posts would have you believe.

- The polar vortex doesn't always mean snow: Temperatures on the ground still have to be cold enough for snow production. If the atmosphere is too dry or too warm, you'll miss out on the snow.

The polar vortex works counterintuitively to what you might expect – the stronger it is, the less impactful it is. When the polar vortex is strong, cold air is less likely to plunge deep into ...

Dust off the parkas. After a mild December, the polar vortex is set to send an arctic blast into the U.S. later this week. "That polar jet will be pushed further south, and guess what that does ...

But it is uncommon for such cold air to cover such a large part of the country, happening maybe once a decade or more.Amplifying this polar vortex are the extreme cold and brutal winds — sending ...