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

The Arctic polar vortex is a circle of strong, cold winds that picks up every winter over the North Pole. The vortex is always present, but it strengthens in the winter due to a redistribution 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. In ...

When the polar vortex begins to wobble and allows arctic air to spill south into northern Illinois in January, we usually end up with dangerously-cold air around Chicago. When it happens in April ...

"The large polar vortex disruption ... coldest weather bottled up in the Arctic. Previously this winter: Icy air has descended on the US. Is the polar vortex to blame? However, a disruption ...

February 2022 was also characterised 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 ...

show there was an extremely strong stratospheric polar vortex (SPV) - a large spinning mass of cold air in the stratosphere around 15 miles above the Arctic - in February 2022. Scientists said the ...

A series of savage storms that ripped through the UK, leaving four dead, homes flooded and a million homes without power, were made more likely by a "polar vortex", scientists have claimed.

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 ...

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 large polar vortex disruption from the ... tends to keep the coldest weather bottled up in the Arctic. However, a disruption in the vortex – known as "sudden stratospheric warming ...