Polar Vortex 2024. The polar vortex in antarctica is on the brink of splitting into two, a rare event that hasn't occurred in over two decades, due to a sudden increase in stratospheric temperatures. The polar vortex is a circulation of winds high up in the stratosphere, up to 30 miles (50 km) above the earth.

The maps may be viewed as html. Arctic oscillation and polar vortex analysis and forecasts.