Flash Flood Warning for Bucks, PA; Chester, PA; Delaware, PA +1 more
Official alert fields
What you need to know
- Applies to
- Bucks, Chester, Delaware, Montgomery
- Effective
- Ends or expires
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
At 930 PM EDT, the public reported thunderstorms producing heavy rain across portions of the warned area. Roadway flooding has been reported in the Phoenixville area. This heavy rain in a short period of time is also moving across central Montgomery County. Between 0.5 and 1 inch of rain has fallen in portions of...
What the bulletin says to do
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.
Full official description
Bulletin details
At 930 PM EDT, the public reported thunderstorms producing heavy rain across portions of the warned area. Roadway flooding has been reported in the Phoenixville area. This heavy rain in a short period of time is also moving across central Montgomery County. Between 0.5 and 1 inch of rain has fallen in portions of the warned area. The expected rainfall rate is 1 to 2.5 inches in 1 hour. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Public reported. 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, Perkasie, Doylestown, Conshohocken, Hatboro, Souderton and Ambler. This includes the following highways... Interstate 476 in Pennsylvania between mile markers 12 and 19. Interstate 76 in Pennsylvania between mile markers 327 and 334. Northeast Extension between mile markers 21 and 36. Pennsylvania Turnpike between mile markers 317 and 344.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Update
Flash Flood Warning issued August 5 at 9:30PM EDT until August 6 at 1:15AM EDT by NWS Mount Holly NJ
Official revision - Alert
Flash Flood Warning issued August 5 at 9:04PM EDT until August 6 at 1:15AM EDT by NWS Mount Holly NJ
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Mount Holly NJ. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
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- Last collected