Maps show cold temperatures in eastern U.S., early season lake effect snow due to polar vortex

A harsh drop in temperatures is being delivered to the eastern two thirds of the U.S. thanks to a polar vortex dipping down ...
The Mirror US on MSN

Map shows severe cold snap set to plunge eastern US states into harsh winter

A formidable cold front is set to grip the nation, with meteorologists warning of a dramatic temperature drop that could leave even the sunniest states shivering.