Brrr, January 2025 is bringing some serious chill! 🥶 Dive into the science of the polar vortex and learn what’s behind this ...

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. A major ...

Researchers from the University of Leeds have found there was an extremely strong stratospheric polar vortex (SPV ... Co-author Jeff Knight, the Science Lead in Monthly to Decadal Prediction ...

The cause of the week-long deep freeze? A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of ...

Researchers note that February was also characterised by an extremely strong stratospheric polar vortex - a large spinning ... Co-author Jeff Knight, the science lead in monthly to decadal ...

Don't put away those winter coats just yet. An April cold snap is forecast for much of the eastern half of the U.S. early next week, forecasters said, with freezes likely across portions of the ...

February 2022 was also characterised by an extremely strong stratospheric polar vortex -- a large spinning ... Co-author Jeff Knight, the Science Lead in Monthly to Decadal Prediction in the ...

A 'polar vortex collapse' is set to plunge the United States back into the frigid weather much of the country suffered through in February. This weather phenomenon is expected to bring more winter ...

A polar vortex collapse is expected over the next two weeks, causing extreme winter weather and travel disruption across North America. The weather phenomenon is expected to develop in mid-March ...