Headline:
Flash Flood Warning issued May 20 at 5:40PM EDT until May 20 at 9:45PM EDT by NWS Mount Holly NJ
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
May 20, 2026 - 2:40pm
Expires:
May 20, 2026 - 6:45pm
Description:
FFWPHI
The National Weather Service in Mount Holly has issued a
* Flash Flood Warning for...
Northwestern Burlington County in southern New Jersey...
Northwestern Camden County in southern New Jersey...
North Central Gloucester County in southern New Jersey...
Southeastern Bucks County in southeastern Pennsylvania...
Delaware County in southeastern Pennsylvania...
Southeastern Montgomery County in southeastern Pennsylvania...
Philadelphia County in southeastern Pennsylvania...
* Until 945 PM EDT.
* At 540 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to 0.5 inches of rain have
fallen. The expected rainfall rate is 1 to 2 inches in 1 hour.
Additional rainfall amounts of 0.5 to 1.5 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.
* Some locations that may experience flash flooding include...
Philadelphia, Camden, Gloucester City, Bensalem, Chester,
Bellmawr, Yeadon, Burlington, Bristol, Riverside, Conshohocken and
Palmyra.
Instruction:
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Area Description:
Burlington, NJ; Camden, NJ; Gloucester, NJ; Bucks, PA; Delaware, PA; Montgomery, PA; Philadelphia, PA
Forcast Office:
NWS Mount Holly NJ
Sender:
w-nws.webmaster@noaa.gov