Polar vortex set to freeze U.S. as far as Deep South

The polar vortex is a ring of cold air that typically circles the Arctic. A strong jet stream essentially acts like a fence, ...
The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously ...
Snow and winds are likely to disrupt traffic, trigger flight cancellations, and cause headaches for people traveling to D.C.
Some areas of the U.S. may see temperatures as low as -20 or -30 degrees early next week as arctic air from Siberia rolls in.
A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will ...
A polar vortex is slated to sweep most of the continental United States bringing a hazardous freeze to millions of Americans ...
Although people from all over the country, of all ages and backgrounds, joined the People's March, one protester said no one ...
Americans face dangerously cold temperatures as a polar vortex brings life-threatening conditions. Nighttime lows may drop to ...