Add Yahoo as a preferred source to see more of our stories on Google. Polar Vortex Animation Waves of frigid air will continue to be released into much of the eastern United States through at least ...

Add Yahoo as a preferred source to see more of our stories on Google. AccuWeather.com The polar vortex is taking up a position near Hudson Bay, Canada, and will direct rounds of Arctic air southward ...

With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the displacement of the polar vortex that will lock in a deep winter feel and park ...