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

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 ...

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 ...

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

As the polar vortex fades, temperatures in Northern Europe, portions of Asia, and the eastern United States will be below average. Temperatures for the last week of March were pretty normal across ...

Accuweather Senior Meteorologist Paul Pastelok says the March polar vortex disruption is one of the largest meteorologists have seen in a long time. A polar vortex is a large area of low pressure ...