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 ...

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

"The large polar vortex disruption ... coldest weather bottled up in the Arctic. Previously this winter: Icy air has descended on the US. Is the polar vortex to blame? However, a disruption ...

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.

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 ...

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.