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 ...
DON'T MISS: Polar vortex set to invade Canada and the U.S. with dangerous cold Ahead of the Arctic blast, a low ...
These cold waves are expected to persist throughout January, bringing freezing temperatures to millions. Meteorologists attribute this chilling trend to the polar vortex, a large area of low ...