The U.S. is set to feel the impacts of an Arctic polar vortex next week, meteorologists have warned, with sub-zero ...

A big reason is we have another lobe of the Polar Vortex that is going to shift south into far southern Canada. This lobe of ...

A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the ...

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

Swift Current and the southwest have been in the midst of frigid temperatures and severe cold lately that isn't expected to ...

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.

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 ...

The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...

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