Sudden stratospheric warming (SSW) is a fascinating yet perplexing weather phenomenon that has meteorologists scratching ...

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 ...

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 ...

Previously this winter: Icy air has descended on the US. Is the polar vortex to blame? However, a disruption in the vortex – known as "sudden stratospheric warming" – back in mid-March will finally be ...

When the polar vortex collapsed in the middle of March, the planet's weather patterns were redrawn. That could mean snow for ...

That's thanks to a phenomenon known as sudden stratospheric warming (SSW). Despite the name, it's often responsible for colder weather events - including 2018's Beast from the East. The Met Office ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe.