The Polar Vortex in the upper atmosphere has disintegrated after the intense warming of the stratosphere in mid-March.

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation ...

On March 9, the polar vortex wobbled and then snapped back the other way as mighty winds, suddenly shifting from the west to the east - something that typically happens once a year - usually in the ...

April 5, 2025 - By Laura Ciasto and Amy Butler - After spending much of the season with super strong wind speeds, the polar ...

SEE ALSO: Polar vortex about to blast U.S. with coldest ... the Midwest and Plains states will see a renewed Arctic blast, with dangerously cold wind chills affecting NFL games.

It’s tough to trudge through a Canadian winter without hearing about the polar vortex, that circulation surrounding the Arctic that occasionally sends bouts of frigid temperatures surging southward.

DON’T MISS: This is what La Niña's demise could mean for Canada The polar vortex is an ever-present circulation of upper-level winds spiralling around the Arctic, strengthening in the winter ...

Devastating winter storms that led to deaths and power outages across the UK and Ireland were driven by an intense swirling vortex of winds miles above the Arctic, scientists have revealed. In ...

Scientists believe deadly Arctic winds were to blame for a series of savage storms that wreaked havoc in Britain over just a matter of days.

February 2022 was also characterised by an extremely strong stratospheric polar vortex -- a large spinning mass of cold air in the stratosphere around 15 miles above the Arctic that is prominent ...