A pedestrian walks down Pennsylvania Ave near the White House in Washington, Wednesday, March 6, 2013. Schools, businesses and the federal government closed in anticipation of a snow storm that could blanket the region. (AP Photo/Pablo Martinez Monsivais)WASHINGTON (AP) — A wintry weather storm marched into the Mid-Atlantic region Wednesday, dumping more than a foot of snow in some locations and knocking out power to almost 200,000 properties and companies. The extreme weather mostly spared the nation's capital, but the usually bustling city had all however shut down because officers didn't need a repeat of 2011, when a rush-hour snowfall stranded commuters for hours.