Warning Description: Flood Watch / Flood Statement Warning Date: 6:32 PM EDT on April 19, 2011 WarningSum:...Flash Flood Watch Is Cancelled... Warning Message:The Flash Flood Watch for portions of western Maryland...east central Ohio...southwest Pennsylvania and West Virginia has been cancelled. The National Weather Service has discontinued the Flash Flood Watch for these counties. The thunderstorms have exited east, so there is no longer a threat of additional heavy rainfall. Flood warnings due remain in effect for some of the counties from the heavy rain that had fallen earlier today.