A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this ...

Even if you didn't see snow, the Arctic air blast from the polar vortex is still here. See how to get ready for the cold. When will Mississippi get warm?

Woullard went on to say that Entergy is already looking at predicted models for the storm and will make staffing decisions ...

Let’s give a warm Jersey welcome to the visiting polar vortices. That, of course, smacks of insincerity since there’s nothing ...

Vortex Clouds Over Bear Island In the upper ... and seabirds. Though polar bears were once spotted there, they are rare. The island’s seabird population, about 1 million annually, is a vital ...

The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

This blast of frozen temperatures is tied to a polar vortex... but what is that? Air spins around the notoriously cold North and South Poles. When the air is spinning fast, it's stable, but when it is ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

The polar vortex has shifted, spilling cold air across the U.S. with below freezing temperatures and subzero wind chills. The polar vortex is a ring of cold air that typically circles the Arctic.

When this stratospheric vortex becomes disrupted or stretched, it can distort the jet stream as well, pushing it southward in some areas and causing cold air outbreaks. The Arctic polar vortex is ...