Alert archive / New Jersey / River Flood Warnings in 2024

River Flood Warning 84, NWS Philadelphia/Mount Holly

April 3, 2024Middlesex County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Apr 3, 2024, 5:53 PM EDT for Middlesex County, Somerset County, New Jersey. It took effect at Apr 4, 2024, 12:52 AM EDT. It was in force for 16 hr.

The area

The outline as issued.

The facts

Issued: Apr 3, 2024, 5:53 PM EDT (21:53 UTC)
In effect from: Apr 4, 2024, 12:52 AM EDT
Expired: Apr 4, 2024, 4:28 PM EDT
In force: 16 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Minor

Counties Middlesex County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 65 km from the middle of the area, began a volume at 21:54 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Raritan River at Bound Brook (BDKN4). The gauge peaked at 29.11 ft at Apr 4, 2024, 7:00 AM EDT.

Action stage: 26 ft
Minor stage: 28 ft
Moderate stage: 30 ft
Major stage: 33 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01403060, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

487 
WGUS41 KPHI 032153
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
553 PM EDT Wed Apr 3 2024

...The National Weather Service in Mount Holly NJ has issued a Flood 
Warning for the following rivers in New Jersey...

  Raritan River At Bound Brook affecting Middlesex and Somerset 
  Counties.



For the Raritan River...including Bound Brook...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 Thursday morning at 600 AM EDT.

&&

NJC023-035-041000-
/O.NEW.KPHI.FL.W.0084.240404T0452Z-240404T2222Z/
/BDKN4.1.ER.240404T0452Z.240404T1200Z.240404T1621Z.NO/
553 PM EDT Wed Apr 3 2024

...FLOOD WARNING IN EFFECT FROM LATE TONIGHT TO TOMORROW EVENING...

* WHAT...Minor flooding is forecast.

* WHERE...Raritan River at Bound Brook.

* WHEN...From late tonight to tomorrow evening.

* IMPACTS...At 28.0 feet, Backyard and low areas are protected by 
  levees and the flood wall. Without the levees or if there is a 
  breach in the levees, minor flooding will occur.

* ADDITIONAL DETAILS...
  - At 5:45 PM EDT Wednesday the stage was 26.1 feet.
  - Forecast...The river is expected to rise above flood stage
    just after midnight tonight to a crest of 28.8 feet tomorrow
    morning. It will then fall below flood stage early tomorrow
    afternoon.
  - Flood stage is 28.0 feet.
  - Flood History...This crest compares to a previous crest of
    29.1 feet on 03/31/2010.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (8 pm)        Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Raritan River
Bound Brook     28.0  26.1 Wed 5 pm   26.6 22.6       28.8 8am 4/04


&&

LAT...LON 4057 7456 4056 7448 4049 7438 4045 7442
      4051 7452 4052 7456


$$

Kruzdlo

4 follow-up statements

049 
WGUS81 KPHI 040225
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1025 PM EDT Wed Apr 3 2024

...The Flood Warning continues for the following rivers in New 
Jersey...

  Raritan River At Bound Brook affecting Middlesex and Somerset 
  Counties.



For the Raritan River...including Bound Brook...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 Thursday morning at 1030 AM EDT.

&&

NJC023-035-041430-
/O.CON.KPHI.FL.W.0084.240404T0452Z-240404T2222Z/
/BDKN4.1.ER.240404T0500Z.240404T0600Z.240404T1312Z.NO/
1025 PM EDT Wed Apr 3 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL TOMORROW EVENING...

* WHAT...Minor flooding is forecast.

* WHERE...Raritan River at Bound Brook.

* WHEN...Until tomorrow evening.

* IMPACTS...At 28.0 feet, Backyard and low areas are protected by 
  levees and the flood wall. Without the levees or if there is a 
  breach in the levees, minor flooding will occur.

* ADDITIONAL DETAILS...
  - At 10:15 PM EDT Wednesday the stage was 27.4 feet.
  - Forecast...The river is expected to rise above flood stage
    just after midnight tonight to a crest of 28.2 feet just
    after midnight tonight. It will then fall below flood stage
    late tomorrow morning.
  - Flood stage is 28.0 feet.
  - Flood History...This crest compares to a previous crest of
    28.4 feet on 03/22/1999.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (8 pm)        Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Raritan River
Bound Brook     28.0  27.4 Wed 10 p   25.9 22.4       28.2 2am 4/04


&&

LAT...LON 4057 7456 4056 7448 4049 7438 4045 7442
      4051 7452 4052 7456


$$

SFJ

343 
WGUS81 KPHI 041033
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
633 AM EDT Thu Apr 4 2024

...The Flood Warning is extended for the following rivers in New 
Jersey...

  Raritan River At Bound Brook affecting Somerset and Middlesex 
  Counties.

  Millstone River At Blackwells Mills affecting Somerset County.



For the Millstone River...including Blackwells Mills...Moderate 
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 this evening at 645 PM EDT.

&&

NJC023-035-042245-
/O.EXT.KPHI.FL.W.0084.000000T0000Z-240405T0112Z/
/BDKN4.1.ER.240404T0430Z.240404T1015Z.240404T1912Z.NO/
633 AM EDT Thu Apr 4 2024

...FLOOD WARNING NOW IN EFFECT UNTIL LATE THIS EVENING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Raritan River at Bound Brook.

* WHEN...Until late this evening.

* IMPACTS...At 28.0 feet, Backyard and low areas are protected by 
  levees and the flood wall. Without the levees or if there is a 
  breach in the levees, minor flooding will occur.
  At 30.0 feet, Main Street is protected by flap valves/sluice 
  gates. This level triggers the gate closures to protect Main 
  Street.

* ADDITIONAL DETAILS...
  - At 6:15 AM EDT Thursday the stage was 29.1 feet and rising.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 6:15 AM EDT Thursday was 29.1 feet.
  - Forecast...The river is expected to fall below flood stage
    late this afternoon and continue falling to 20.1 feet early
    Sunday morning.
  - Flood stage is 28.0 feet.
  - Flood History...This crest compares to a previous crest of
    29.1 feet on 03/31/2010.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (8 am)        Crest
Location        Stg   Stg Day/Time    Fri  Sat        Stg Time Date

Raritan River
Bound Brook     28.0  29.1 Thu 6 am   25.0 21.5        MSG  unknown


&&

LAT...LON 4057 7456 4056 7448 4049 7438 4045 7442
      4051 7452 4052 7456


$$

NJC035-042245-
/O.EXT.KPHI.FL.W.0073.000000T0000Z-240406T0148Z/
/BKWN4.2.ER.240403T2311Z.240404T1800Z.240405T1948Z.NO/
633 AM EDT Thu Apr 4 2024

...FLOOD WARNING NOW IN EFFECT UNTIL LATE TOMORROW EVENING...

* WHAT...Moderate flooding is occurring and moderate flooding is 
  forecast.

* WHERE...Millstone River at Blackwells Mills.

* WHEN...Until late tomorrow evening.

* IMPACTS...At 6.0 feet, The Griggstown Causeway is closed due to 
  flooding.
  At 7.0 feet, Several more causeways are closed due to flooding.
  At 9.0 feet, Flood stage reached with flooding now along River 
  Road in Blackwells Mills and S. River Street in Millstone. Base of 
  Route 533 bridge floods. River Road between Yorktown and Amsterdam 
  is subject to closure. Canal Road near Suydam Road floods.
  At 10.0 feet, The D&R Canal is flooded by the Millstone River.

* ADDITIONAL DETAILS...
  - At 6:15 AM EDT Thursday the stage was 11.7 feet and rising.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 6:15 AM EDT Thursday was 11.7 feet.
  - Forecast...The river is expected to rise to a crest of 11.9
    feet this afternoon. It will then fall below flood stage
    tomorrow afternoon.
  - Flood stage is 9.0 feet.
  - Flood History...This crest compares to a previous crest of
    11.9 feet on 03/31/2010.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (8 am)        Crest
Location        Stg   Stg Day/Time    Fri  Sat        Stg Time Date

Millstone River
Blackwells Mill 9.0   11.7 Thu 6 am   10.2 5.5        11.9 2pm 4/04


&&

LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456


$$

MJL

435 
WGUS81 KPHI 041621
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1221 PM EDT Thu Apr 4 2024

...The Flood Warning continues for the following rivers in New 
Jersey...

  Raritan River At Bound Brook affecting Somerset and Middlesex 
  Counties.



For the Raritan River...including Bound Brook...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 this evening at 915 PM EDT.

&&

NJC023-035-050115-
/O.CON.KPHI.FL.W.0084.000000T0000Z-240405T0112Z/
/BDKN4.1.ER.240404T0430Z.240404T1145Z.240404T2149Z.NO/
1221 PM EDT Thu Apr 4 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL LATE THIS EVENING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Raritan River at Bound Brook.

* WHEN...Until late this evening.

* IMPACTS...At 28.0 feet, Backyard and low areas are protected by 
  levees and the flood wall. Without the levees or if there is a 
  breach in the levees, minor flooding will occur.

* ADDITIONAL DETAILS...
  - At 12:00 PM EDT Thursday the stage was 28.8 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 12:00 PM EDT Thursday was 29.1 feet.
  - Forecast...The river is expected to fall below flood stage
    late this afternoon and continue falling to 20.1 feet Sunday
    morning.
  - Flood stage is 28.0 feet.
  - Flood History...This crest compares to a previous crest of
    29.1 feet on 03/31/2010.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 pm)        Crest
Location        Stg   Stg Day/Time    Fri  Sat        Stg Time Date

Raritan River
Bound Brook     28.0  28.8 Thu 12 p   24.8 21.3     Crested & falling
&&

LAT...LON 4057 7456 4056 7448 4049 7438 4045 7442
      4051 7452 4052 7456


$$

Kruzdlo

742 
WGUS81 KPHI 042028
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
428 PM EDT Thu Apr 4 2024

...The Flood Warning is cancelled for the following rivers in New 
Jersey...

  Raritan River At Bound Brook affecting Somerset and Middlesex 
  Counties.



NJC023-035-042130-
/O.CAN.KPHI.FL.W.0084.000000T0000Z-240404T2028Z/
/BDKN4.1.ER.240404T0430Z.240404T1145Z.240404T2012Z.NO/
428 PM EDT Thu Apr 4 2024

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Raritan River At Bound Brook.

* ADDITIONAL DETAILS...
  - At 4:15 PM EDT Thursday the stage was 27.99 feet and falling.
  - Forecast...The river is expected to fall to 19.9 feet early
    Sunday afternoon.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 pm)        Crest
Location        Stg   Stg Day/Time    Fri  Sat        Stg Time Date

Raritan River
Bound Brook     28.0  27.9 Thu 4 pm   23.9 21.0     Crested & Falling


&&

LAT...LON 4057 7456 4056 7448 4049 7438 4045 7442
      4051 7452 4052 7456


$$

Hoeflich

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 3, 7:35 AM EDT	Areal Flood Warning	PHI	Hunterdon	3 hr
Apr 3, 11:14 AM EDT	River Flood Warning	PHI	Somerset	48 hr
Apr 3, 11:15 AM EDT	River Flood Warning	PHI	Burlington	69 hr
Apr 3, 2:00 PM EDT	Areal Flood Warning	PHI	Hunterdon, Somerset	10 hr
Apr 3, 2:52 PM EDT	Marine Dense Fog Advisory	PHI		5 hr
Apr 3, 4:27 PM EDT	Areal Flood Warning	PHI	Somerset	19 hr
Apr 3, 5:08 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Middlesex, Monmouth, Ocean	43 min
Apr 3, 5:41 PM EDT	Special Marine Warning	PHI		64 min
Apr 3, 5:46 PM EDT	River Flood Warning	PHI	Essex, Morris, Passaic	5 days
Apr 3, 5:49 PM EDT	River Flood Warning	PHI	Morris	45 hr
Apr 3, 5:52 PM EDT	River Flood Warning	PHI	Somerset	8 hr
Apr 3, 5:57 PM EDT	Areal Flood Warning	PHI	Morris, Somerset	5 hr
Apr 3, 6:30 PM EDT	Special Weather Statement	PHI	Atlantic	30 min
Apr 3, 7:01 PM EDT	Special Weather Statement	PHI	Atlantic	29 min
Apr 3, 7:14 PM EDT	Coastal Flood Advisory	PHI	Atlantic, Cape May	10 hr
Apr 3, 7:24 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	51 min
Apr 3, 7:28 PM EDT	Special Marine Warning	PHI		62 min

Nearby

River Flood Warnings in New Jersey, 2024 Every river flood warning in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.