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, ...

Highs on Monday and Tuesday of next week could only stay in the single digits, which has not happened since late January of 2019.

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

The polar plunge wasn’t done yet. On Jan. 31, the core of the cold planted itself right over the QCA. Actual air temperatures were anywhere from -20° south of the Quad Cities, to nearly -40 ...

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 ...

WASHINGTON — A pattern flip that could send extreme cold air spilling into the region this winter may take shape. The polar vortex, which traps cold air near the North Pole, may experience a ...

The polar vortex is a gigantic, circular area of cold air high up in the atmosphere that typically spins over the North Pole (as its name suggests).

The polar vortex could influence temperatures this winter — but what exactly is it?

Because this is the Polar Vortex Blog, we would love to be able to tell you how the stratospheric polar vortex is doing super cool things that can explain how cold and snowy it’s been in many ...

Dust off the parkas. After a mild December, the polar vortex is set to send an arctic blast into the US later this week.