A potent storm system is targeting the Eastern Seaboard with an array of high-impact and potentially hazardous weather, bringing the worst of the clashing seasons just in time for Christmas. Strong winds, flooding rains and even severe weather are likely, with the risk of a few tornadoes adding to the unwelcome assortment. "We’ll file this one under “things you probably didn’t want from Santa.” Cities such as Boston, New York, Philadelphia, Baltimore and the nation’s capital are all in line for a wild ride, while cities farther south like Raleigh could be eyeing a tornado threat.The meteorological mess accompanies a...