The National Weather Service in Mt. Holly has issued a flash flood watch for our area from 8:00 PM tonight to 3:00 PM tomorrow afternoon.
Generally speaking, this applies to Northern Delaware, Northeast Maryland, New Jersey, and Pennsylvania, Including The Following Areas, In Northern Delaware, New Castle. In Northeast Maryland, Cecil and Kent Maryland In New Jersey, Camden, Gloucester, Hunterdon, Mercer, Middlesex, Northwestern Burlington, Salem, Somerset, and Warren. In Pennsylvania, Berks, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Northampton, Philadelphia, Upper Bucks, Western Chester, and Western Montgomery.
Scattered showers and thunderstorms will develop over portions of eastern Pennsylvania, Maryland, and Delaware beginning this evening with precipitation transitioning to a widespread moderate to heavy rain overnight tonight through much of Sunday.
Total rain amounts by late Sunday are expected to be 1 to 2 inches with locally higher amounts possible. This will result in rises on rivers and streams with the potential for urban, small stream, and poor drainage flooding.
Flash flooding will also be possible in places if the heaviest rain persists in the same location for several hours.
Rain will taper off through the latter portion of Sunday afternoon into Sunday evening.
Precautionary/preparedness actions: A flash flood watch means that there is the potential for flash flooding which can be life-threatening. Heavy rain is expected to occur over a short period of time. Rapidly rising flood waters may quickly inundate roadways and areas of poor drainage. Streams and creeks could leave their banks, flooding nearby properties.