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

Arctic air that pushed south to Texas in February 2021 dropped temperatures to frigid -15 degrees. It can happen again. Think the ‘polar vortex’ that froze Texas in 2021 was a fluke?

A: The polar vortex never makes it as far south as Texas, but even if the center of it is over the Great Lakes or Hudson Bay, there’s going to be winds blowing from the north across Canada into ...

The Polar Vortex,an atmospheric phenomenon that shapes our winter weather,has been gaining attention as it undergoes changes ...

The polar vortex played a role in the extreme winter weather outbreak that struck Texas in February 2021, UN weather experts said. “We did have a sudden stratospheric warming in January ...

Gammon: The polar vortex is quite cold. Unlike, say, the jet stream that’s an altitude of 10 miles, the polar vortex is a lot more smooth and regular. It doesn’t tend to have disturbances on it.

In 2021, the polar vortex prompted widespread power outages across Texas, resulting in rolling blackouts and leading to the deaths of 246 people. Icicles hang off the State Highway 195 sign on Feb ...

An area stretching from Texas to Tennessee braced Wednesday for the possible arrival of freezing rain and snow even as some other parts of the U.S. hit by the plunging polar vortex this week began ...

Texas Gov. Greg Abbott leaves a news conference after speaking about the winter storm at the State Operations Center, Thursday Feb. 18, 2021, in Austin, Texas. Show Caption Joe Raedle/Getty Images ...

A polar vortex, a weather pattern similar to the historic winter storm that struck Texas in 2021 — when every county in the state experienced below-freezing temperatures for the first time ...

Texas Gov. Greg Abbott told President Joe Biden on Tuesday that his "disaster" immigration policy is putting lives at risk as a polar vortex expected this week will create bitter conditions for ...

Talk of the polar vortex swirls on social media, but Texas has never been visited by this phenomenon directly. Houston Chronicle Logo Hearst Newspapers Logo Skip to main content ...