CNN Erin Burnett OutFront January 3, 2014 00:48:00
Not going away for much of the country and that's what's so unusual about this. that cold system right in behind it. >> that arctic air of the upper midwest has been dealing with with 40 and 50 below zero windchills. the coldest air boston has seen in three years since january 2011. this temperature, overnight temperature saturday morning getting out, or late friday night. air temperature alone falls to 5 below. windchills will be 20 to 30 below. new york as well, all these temperatures well below average. so factor in the sheer arctic air in place. hour by hour windchill. look ought. if you'r...