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.

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America’s winter of repeated polar vortex invasions, meteorologists warn. And it will stay frozen there ...

Brrr, January 2025 is bringing some serious chill! 🥶 Dive into the science of the polar vortex and learn what’s behind this unexpected cold snap. Let’s unravel the mystery together! #PolarVortex #Win ...