Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

The latest arctic blast will move into the northern Rockies and northern Plains Saturday and spread to the central and ...

A week-long, polar vortex-related Arctic outbreak rivaling any seen so far this winter is slated to bring frigid conditions ...

Ben Noll, The polar vortex is coming back. After a half-month hiatus, frigid air will again surge across the United States ...

We are tracking the return of the polar vortex next week as a wavy jet stream brings a blast of Arctic air to the Great Lakes ...

WARNING! WARNING! WARNING! The Polar Vortex looks like it’s going to unleash its fury on Texas!! Windchill’s below zero and a ...

A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the Arctic. But when there’s a wobble in the rotation, winds in the vortex can ...

When the Polar Vortex is in a weakened state, a jet stream wobble sending polar air into the mid-latitudes becomes more ...

The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region up north. This ...

As we continue to warm moving into February, it appears latest trends suggest a classic "what goes up, must come down" type ...

Metro Vancouverites may face unseasonably cold weather as February continues thanks to the stratospheric polar vortex.