I just looked at weather.gov (US Weather Service), and the winter storm warning and advisories seem to be restricted to the Carolina coastal plain, the Virginia Tidewater and the southern Delmarva Peninsula. It's perfectly clear and calm, if cold, here in Baltimore. I could see them truncating the Carolinian, Newport News, and Norfolk trains at Richmond or Washington, and also perhaps cancelling the Silver Star and Palmetto, but why did they also cancel a Washington-New York train?