Flash Flood Warning for Mercer, NJ; Bucks, PA; Montgomery, PA +1 more
Official alert fields
What you need to know
- Applies to
- Mercer, Bucks, Montgomery, Philadelphia
- Effective
- Ends or expires
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
At 846 PM EDT, local law enforcement reported flash flooding with street flooding and road closures in Willow Grove. Between 1.5 and 3.5 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. Flash flooding is already occurring. HAZARD...Flash flooding caused by heavy...
What the bulletin says to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Full official description
Bulletin details
At 846 PM EDT, local law enforcement reported flash flooding with street flooding and road closures in Willow Grove. Between 1.5 and 3.5 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. Flash flooding is already occurring. HAZARD...Flash flooding caused by heavy rain. SOURCE...Law enforcement reported. 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, Trenton, Bensalem, Ewing, Princeton, Burlington, Bristol, Hatboro, Pennington, Beverly, Rockledge and New Hope.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Update
Flash Flood Warning issued August 20 at 8:46PM EDT until August 20 at 10:30PM EDT by NWS Mount Holly NJ
Official revision - Update
Flash Flood Warning issued August 20 at 7:19PM EDT until August 20 at 10:30PM EDT by NWS Mount Holly NJ
Official revision - Alert
Flash Flood Warning issued August 20 at 6:26PM EDT until August 20 at 10:30PM 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
- Actual
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- Last collected