Headline:
Flood Watch issued August 20 at 1:39AM EDT until August 21 at 2:00AM EDT by NWS Mount Holly NJ
Event:
Flood Watch
Urgency:
Future
Effective:
August 19, 2026 - 10:39pm
Expires:
August 20, 2026 - 1:00pm
Description:
* 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,
Atlantic, Camden, Coastal Atlantic, Coastal Ocean, Cumberland,
Eastern Monmouth, Gloucester, Hunterdon, Mercer, Middlesex,
Northwestern Burlington, Ocean, Salem, Somerset, Southeastern
Burlington 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...From noon EDT today through late tonight.
* IMPACTS...Flooding may occur in poor drainage and urban areas.
Creeks and streams may rise out of their banks. Excessive runoff
may result in flooding of rivers, creeks, streams, and other
low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Multiple rounds of showers and thunderstorms are expected
across the area this afternoon through this evening. Rainfall
rates of 1 to 3 inches per hour are possible. Rainfall
amounts of 1 to 2 inches are possible with localized amounts
of 3 to 5 inches which could cause flash flooding.
- http://www.weather.gov/safety/flood
Instruction:
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Area Description:
New Castle; Hunterdon; Somerset; Middlesex; Western Monmouth; Eastern Monmouth; Mercer; Salem; Gloucester; Camden; Northwestern Burlington; Ocean; Cumberland; Atlantic; Coastal Atlantic; Coastal Ocean; Southeastern Burlington; Delaware; Philadelphia; Western Chester; Eastern Chester; Western Montgomery; Eastern Montgomery; Upper Bucks; Lower Bucks
Forcast Office:
NWS Mount Holly NJ
Sender:
w-nws.webmaster@noaa.gov