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

A "major disruption" has recently rocked the Arctic polar vortex, causing it to weaken and reverse direction from ...

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

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 ...

When the polar vortex begins to wobble and allows arctic air to spill south into northern Illinois in January, we usually end ...

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

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

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 ...

The polar vortex in the stratosphere broke up, which caused the movement of cold Arctic air towards southern latitudes, ...

The Polar Vortex's collapse will cause a major Arctic blast from central Canada into the Northeast United States, even if a progressive and dynamic weather pattern will persist across North ...

The polar vortex is a gigantic ... in the winter and usually tends to keep the coldest weather bottled up in the Arctic. However, a disruption in the vortex – known as "sudden stratospheric ...