Flood Watch issued July 21 at 3:07AM EDT until July 22 at 2:00AM EDT by NWS Mount Holly NJ
What
Flash flooding caused by excessive rainfall continues to be possible.
Where
Portions of northern Delaware, including the following area, New Castle, New Jersey, including the following areas, Camden, Eastern Monmouth, Gloucester, Hunterdon, Mercer, Middlesex, Morris, Northwestern Burlington, Somerset and Western Monmouth, and southeast Pennsylvania, including the following areas, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, Upper Bucks, Western Chester and Western Montgomery.
When
Through late tonight.
Possible impacts
Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas.
Additional details
- Showers and thunderstorms will increase today into tonight, with the most widespread activity occurring this afternoon and this evening. Some heavy showers and thunderstorms will produce torrential rainfall, with 2 to 3 inches of rain per hour possible. The excessive rainfall within a short period of time, especially in urban areas, could lead to flash flooding.
- Affected area
- Morris County, Hunterdon County, Somerset County
- Last updated
- Jul 21, 3:07 AM EDT
- Expires
- Wed, Jul 22, 2:00 AM EDT
- Source
- National Weather Service
What to do
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
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Official source details
- NWS event
- Flood Watch
- Issued by
- NWS Mount Holly NJ
- Recommended response
- Prepare