The National Weather Service in Sterling Virginia has issued a * Flood Warning for... Northwestern Howard County in central Maryland... Northwestern Montgomery County in central Maryland... Southeastern Frederick County in north central Maryland... * Until midnight EDT. * At 859 PM EDT, Doppler radar indicated thunderstorms producing heavy rain which will cause flooding. Up to one inch of rain has already fallen, and up to another inch is probable through 1030 PM EDT. This includes flood prone locations Prices Distillery Road at Green Valley Road... Woodbine Road at The Patuxent River... Shaffersville Road near Florence Road... and Log House Road at Magruder Branch. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don`t drown when encountering flooded roads. Most flood deaths occur in vehicles. By The National Weather Service