The term “polar vortex” might conjure images of mythical icy storms swirling through the North Pole but in reality it’s a ...

The polar vortex is a low-pressure system of cold air that swirls above both of Earth’s poles. Over the North Pole, the wind flows counterclockwise in the stratosphere around 16 to 50 kilometers ...

A shift in the polar vortex could bring a blast of Arctic air to millions of Americans in the second half of March, forecasters have warned. The polar vortex usually keeps cold Arctic air confined ...

Answers as to why these strange temperatures and weather events are prevalent may be found in the polar vortex. The polar vortex is a large area of low pressure and cold air surrounding both of ...