where is the flash flood warning in phila
Flash flood watch for Philadelphia region. The National Weather Service has issued a flash flood watch for the Philadelphia area and was alerting suburban residents to potential flooding by mid-morning. At 10 a.m., the watch was upgraded to a flash flood warning in central Delaware County. The weather service said more than two inches of rain fell in an hour during a strong thunderstorm. The flood warning for rural Delaware County is in effect until 2 p.m.