WFO PHILADELPHIA Warnings, Watches and Advisories for Monday, October 12, 2026

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FLOOD WARNING

BULLETIN - IMMEDIATE BROADCAST REQUESTED

Flood Warning

National Weather Service Mount Holly NJ

706 PM EDT Sun Oct 11 2026

...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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

Additional information is available at www.weather.gov/phi.

The next statement will be issued late tonight by 300 AM EDT.

...FLOOD WARNING IN EFFECT UNTIL LATE TONIGHT...

* WHAT...Minor flooding is forecast.

* WHERE...East Branch Brandywine Creek below Downingtown.

* WHEN...Until late tonight.

* IMPACTS...At 8.0 feet, Dowlin Forge Road begins to flood.

* ADDITIONAL DETAILS...

- At 6:45 PM EDT Sunday the stage was 6.0 feet and rising.

- Forecast...The river is expected to rise above flood stage late

this evening to a crest of 7.3 feet just after midnight tonight.

It will then fall below flood stage early tomorrow morning.

- 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

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