Polar vortex brings blast of cold air, early season lake effect snow. See maps.
A harsh drop in temperatures is being delivered to the eastern two thirds of the U.S. thanks to a polar vortex dipping down from the Arctic.
A harsh drop in temperatures is being delivered to the eastern two thirds of the U.S. thanks to a polar vortex dipping down from the Arctic.
Read the full article at:
CBS News →