New Jersey, Pennsylvania Severe Flash Flood Warning | Effective 08/05/2026 14:09

Headline: 
Flash Flood Warning issued August 5 at 5:09PM EDT until August 5 at 7:00PM EDT by NWS Mount Holly NJ
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
August 5, 2026 - 2:09pm
Expires: 
August 5, 2026 - 4:00pm
Description: 
At 509 PM EDT, Doppler radar and automated rain gauges indicate 1 to 2 inches of rainfall have fallen across the warned area from heavy showers and embedded thunderstorms. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding has already been occuring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. 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... Trenton, Ewing, Doylestown, Byram, Bedminster, Flemington, Chalfont, Tinicum, Pennington, New Hope, Yardley and Newtown. This includes Interstate 295 in New Jersey between mile markers 65 and 76.
Instruction: 
Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. Be aware of your surroundings and do not drive on flooded roads.
Area Description: 
Hunterdon, NJ; Mercer, NJ; Bucks, PA
Forcast Office: 
NWS Mount Holly NJ
Sender: 
w-nws.webmaster@noaa.gov