NWS Mount Holly NJFL.W 0003September 3, 2026
Flood Warning: Chester, PA
The National Weather Service office in Mount Holly issued a flood warning for Chester in Pennsylvania, which was in force until 6:00 p.m. local time on September 3. It was the 3rd river flood warning the NWS office in Mount Holly issued in 2026. Pennsylvania had 18 flood warnings in September 2026, against 18 in an average September of 2008-2025 (Pennsylvania's flood warnings by year).
ExpiredWarning
In force for 9.9 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Mount Holly NJ
- Area
- Chester
- State
- Pennsylvania
- Level
- Warning
- Issued
- 8:09 a.m. EDT, September 3, 2026
- Expires
- 6:00 p.m. EDT, September 3, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KPHI FL.W 0003
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
...The National Weather Service in Mount Holly has issued a Flood Warning for the following rivers in Pennsylvania... East Branch Brandywine Creek Below Downingtown affecting Chester County. For the Brandywine Creek...including Downingtown...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...East Branch Brandywine Creek below Downingtown. * WHEN...From this morning to this afternoon. * IMPACTS...At 8.0 feet, Dowlin Forge Road begins to flood. * ADDITIONAL DETAILS... - At 7:45 AM EDT Thursday the stage was 7.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 AM EDT Thursday was 7.0 feet. - Forecast...The river is expected to fall below flood stage late this morning and continue falling to 3.5 feet tomorrow afternoon. - Flood stage is 7.0 feet. - Flood History...This crest compares to a previous crest of 7.2 feet on 03/01/2021. - http://www.weather.gov/safety/flood
What the agency told people to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/phi. The next statement will be issued this evening by 600 PM EDT.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.