CBS News1d
Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher arctic blast to nearly 300 million Americans starting this weekend. Maps show where and ...
WAMC2d
A polar vortex is set to grip much of the U.S. What does that mean?
These conditions are all thanks to a familiar sounding occurrence: the polar vortex, a large area of low pressure and cold air that surrounds the Earth's poles. The "vortex" is the ...
Yahoo News2d
The polar vortex dips into the Twin Tiers
ELMIRA, N.Y.(WETM) – We start the following work week with a polar vortex. This will bring in unseasonably cold air to the region and wind chill temperatures back to the negatives. But what is a ...