WFO PHILADELPHIA Warnings, Watches and Advisories for Tuesday, September 29, 2026

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FLOOD WARNING

BULLETIN - IMMEDIATE BROADCAST REQUESTED

Flood Warning

National Weather Service Mount Holly NJ

329 PM EDT Sun Sep 27 2026

...The National Weather Service in Mount Holly has issued a Flood

Warning for the following rivers in New Jersey...

Millstone River At Blackwells Mills affecting Somerset County.

For the Millstone River...including Blackwells Mills...Minor flooding

is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 late tonight by 330 AM EDT.

...FLOOD WARNING IN EFFECT FROM LATE TONIGHT TO TUESDAY MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...Millstone River at Blackwells Mills.

* WHEN...From late tonight to Tuesday morning.

* IMPACTS...At 10.0 feet, The D&R Canal is flooded by the Millstone

River.

* ADDITIONAL DETAILS...

- At 2:15 PM EDT Sunday the stage was 5.8 feet.

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

after midnight tonight to a crest of 9.7 feet early tomorrow

afternoon. It will then fall below flood stage early Tuesday

morning.

- Flood stage is 9.0 feet.

- Flood History...This crest compares to a previous crest of 9.7

feet on 05/11/1998.

- http://www.weather.gov/safety/flood

All Times EDT Fld Observed Forecasts (2 pm)

Location Stg Stg Day/Time Mon Tue Wed

Millstone River

Blackwells Mill 9.0 5.8 Sun 2 pm 9.7 7.1 4.1

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