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

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

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

A rare and abrupt disruption in the Arctic polar vortex is expected to impact spring temperatures across Europe and parts of ...

Devastating winter storms that led to deaths and power outages across the UK and Ireland were driven by an intense swirling vortex of winds miles above the Arctic, scientists have revealed.

A significant disruption to the polar vortex over far Northern Canada will keep the pattern’s influence locked in our neck of ...

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 is a gigantic ... 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.