New Jersey, Pennsylvania Severe Flash Flood Warning | Effective 08/27/2026 17:46

Headline: 
Flash Flood Warning issued August 27 at 8:46PM EDT until August 27 at 11:00PM EDT by NWS Mount Holly NJ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
August 27, 2026 - 5:46pm
Expires: 
August 27, 2026 - 8:00pm
Description: 
At 846 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Philadelphia, Camden, Gloucester City, Bensalem, Yeadon, Riverside, Conshohocken, Palmyra, Jenkintown, Westville and Narberth.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Area Description: 
Burlington, NJ; Camden, NJ; Bucks, PA; Delaware, PA; Montgomery, PA; Philadelphia, PA
Forcast Office: 
NWS Mount Holly NJ
Sender: 
w-nws.webmaster@noaa.gov