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 ...

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 a normal pattern that's stronger in the winter and usually tends to keep the coldest weather bottled up in the Arctic. Previously this winter: Icy air has descended on the US. Is the polar vortex ...

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.