(Reuters) - The deadly winter storm that clobbered a swath of the U.S. Midwest and East Coast over the weekend is blowing out to sea, but leaves as much as 13 inches of snow in Washington, D.C. and Virginia, and frigid arctic air parked over New England. REUTERS/Mike Theiler All Washington D.C. federal offices would be closed on Monday, but train and bus service in the metro D.C. area would resume after being shut down on Sunday, officials said. <br />