Every year, weather enthusiasts eagerly watch and wait for signs that the polar vortex, a mass of cold air spinning around the Arctic, might meander south, sending cold and snow into the lower ...

The polar vortex could be reversing in a sudden stratospheric warming event, with the potential to send Arctic air and storms ...

The polar vortex is an area of low pressure and cold air that encircles both the Earth’s polar regions, according to the National Weather Service. The Arctic polar vortex and its proximity to North ...

What the polar vortex is and isn’t The polar vortex, as explained by the National Weather Service, is a large area of low pressure and cold air that encircles the Earth’s poles. Even though it ...

A powerful polar vortex is set to bring dangerously cold temperatures to the US, with the Northern and Central Plains facing extreme wind chills. Meteorologists warn that the frigid air will linger ...

This week, parts of the U.S. are experiencing the 10th and coldest polar vortex event this season. Weather forces in the Arctic are combining to push the chilly air into the U.S. and Europe.