Likely the intention was Washington, D.C. (WAS). But WDC could refer to Wassaic, Dutchess County, which would indeed be a Metro-North out of Grand Central. http://as0.mta.nyc.ny.us/mnr/station...il.cfm?key=174

There is am Amtrak code WDC, but ironically Weed, California is only served by bus.