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 ...

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

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 ...

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 ...

February 2022 was also characterized 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 during ...

Researchers say a spinning mass of cold air in the stratosphere above the Arctic in 2022 made it up to three times more likely there would be intense storms in the UK and Ireland.

Now, experts have discovered that the cluster was connected to stronger winds in the Arctic stratosphere ... was an extremely strong stratospheric polar vortex (SPV) – a large spinning mass ...

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 ...

Powerful winter storms which led to deaths and power outages in the UK and Ireland were made more likely by an intense swirling vortex of winds miles above the Arctic, say scientists.