A polar vortex is a large area of low-pressure and cold air that circulates around the Earth’s poles, typically confined to the Arctic or Antarctic regions. This swirling mass of frigid air is ...

Related: Bizarre polar vortex over Antarctica delayed ozone hole opening, scientists say The Arctic polar vortex is a circle of strong, cold winds that picks up every winter over the North Pole.

The polar vortex is a low-pressure system of cold air that swirls above Earth’s poles. There’s one over the South Pole in Antarctica – but for this story, we’ll be focusing on the one ...

These chemicals accumulate inside the strong polar vortex that develops over the Antarctic every winter where they remain chemically inactive in the darkness. Temperatures in the vortex can fall ...

The large ozone hole in 2020 has been driven by a strong, stable and cold polar vortex, which kept the temperature of the ozone layer over Antarctica consistently cold. Ozone depletion is directly ...

Polar Preet has rendezvoused with her pilot and has taken off to head to Union Glacier in Antarctica. British Army officer Captain Preet Chandi – known as Polar Preet – is expected to spend ...

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.