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

Definition: The polar vortex is a flow of wind aloft that is always present above the cold, North and South Pole areas. In the Northern Hemisphere […] advertisement ...

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

A polar vortex is a large area of low pressure and cold air which spins over the North and South poles, according to a ...

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 ...