Headline:
Flash Flood Warning issued August 3 at 5:09AM EDT until August 3 at 7:00AM EDT by NWS Mount Holly NJ
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
August 3, 2026 - 2:09am
Expires:
August 3, 2026 - 4:00am
Description:
At 509 AM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
1.5 and 3 inches of rain have fallen. Flooding impacts will
continue, but no additional rainfall is expected. Flash flooding is
ongoing or expected to begin shortly.
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...
Philadelphia, Norristown, Phoenixville, Lansdale, West Norriton,
East Norriton, Doylestown, Conshohocken, Hatboro, Ambler,
Collegeville and Narberth.
This includes the following highways...
Interstate 476 in Pennsylvania between mile markers 15 and 19.
Interstate 76 in Pennsylvania between mile markers 327 and 337.
Northeast Extension between mile markers 21 and 31.
Pennsylvania Turnpike between mile markers 327 and 346.
Instruction:
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Area Description:
Bucks, PA; Montgomery, PA
Forcast Office:
NWS Mount Holly NJ
Sender:
w-nws.webmaster@noaa.gov