Weather.com - 1/23/13
A flock of geese huddles to stay warm on a slab of ice enveloped by steam on the Rock River in Watertown, Wis. as arctic air pushes through the Upper Midwest on Tuesday, Jan. 22, 2013. (AP Photo/Watertown Daily Times, Samantha Christian)
An Arctic blast has gripped the Midwest and Northeast, with a perilous combination of bitterly cold air and gusty winds making it feel like winds 50 degrees below zero and enough snow and ice to cancel schools and make driving treacherous.
In Washington, D.C., it was 15 degrees at Reagan National Airport on Wednesday morning, the coldest it has been there in nearly four years, since March 3, 2009.
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