Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, researchers found that two specific patterns in the polar vortex, a ...

Data from a polar vortex splitting during 2002’s Southern Hemisphere sudden warming event helps expand models to accommodate spherical cap geometry found in stratospheric polar vortices.

Public perception to the contrary, outbreaks of the polar vortex in the northern hemisphere—the bitter cold triggered by the wandering jet stream—are becoming less common.

The Associated Press The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps ...

Scientists report that dramatic weather events have been caused by a significant air disturbance moving the Arctic polar vortex away from the North Pole.

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe.

Eastern US And Europe Set To Feel The Sting Of A "Major Disruption" To Polar Vortex This year, the Arctic polar vortex has seen the second-earliest final stratospheric warming of the season since ...

Polar Vortex Blog April 2025 Update: An Early But Interesting End To The 2024-25 Polar Vortex SeasonObserved (bold blue line) and forecasted (NOAA GEFSv12, pink lines) polar vortex wind speeds at ...

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

Warm conditions across much of Europe are forecast to give way to periods of unseasonably cool temperatures and stormy weather during April.