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

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

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

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 ...

"The large polar vortex disruption from the second week ... Judah Cohen of Atmospheric and Environmental Research told USA TODAY. Following a deadly and devastating week of weather across a ...

Researchers note that February 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 ...

"The large polar vortex disruption from the second week ... Judah Cohen of Atmospheric and Environmental Research told USA TODAY. Following a deadly and devastating week of weather across a ...

Researchers from the University of Leeds have found there was an extremely strong stratospheric polar vortex (SPV) – a large spinning mass of cold air in the stratosphere around 15 miles above ...

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.