Alert archive / New Jersey / River Flood Warnings in 2024

River Flood Warning 9, NWS Philadelphia/Mount Holly

January 9, 2024Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Jan 9, 2024, 3:53 PM EST for Somerset County, New Jersey. It took effect at Jan 10, 2024, 1:00 AM EST. It was in force for 43 hr.

The area

The outline as issued.

The facts

Issued: Jan 9, 2024, 3:53 PM EST (20:53 UTC)
In effect from: Jan 10, 2024, 1:00 AM EST
Expired: Jan 11, 2024, 7:35 PM EST
In force: 43 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Moderate

County Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 20:57 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 Millstone River at Blackwells Mills (BKWN4). The gauge peaked at 13.27 ft at Jan 10, 2024, 5:00 PM EST.

Action stage: 7 ft
Minor stage: 9 ft
Moderate stage: 10 ft
Major stage: 15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01402000, 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.

116 
WGUS41 KPHI 092053
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
353 PM EST Tue Jan 9 2024

...The National Weather Service in Mount Holly NJ 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...Moderate 
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 at 400 AM EST.

&&

NJC035-100900-
/O.NEW.KPHI.FL.W.0009.240110T0600Z-240112T0600Z/
/BKWN4.2.ER.240110T0600Z.240111T0000Z.240112T0000Z.NO/
353 PM EST Tue Jan 9 2024

...FLOOD WARNING IN EFFECT FROM LATE TONIGHT TO EARLY FRIDAY 
MORNING...

* WHAT...Moderate flooding is forecast.

* WHERE...Millstone River at Blackwells Mills.

* WHEN...From late tonight to early Friday morning.

* 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.
  At 13.0 feet, Washington Street and several businesses are flooded.

* ADDITIONAL DETAILS...
  - At 3:15 PM EST Tuesday the stage was 3.0 feet.
  - Forecast...The river is expected to rise above flood stage
    just after midnight tonight to a crest of 13.0 feet tomorrow
    evening. It will then fall below flood stage Thursday
    evening.
  - Flood stage is 9.0 feet.
  - Flood History...This crest compares to a previous crest of
    12.9 feet on 05/30/1984.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (1 pm)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Millstone River
Blackwells Mill 9.0   3.0  Tue 3 pm   12.7 10.4       13.0 7pm 1/10


&&

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


$$

Kruzdlo

10 follow-up statements

189 
WGUS81 KPHI 100359
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1059 PM EST Tue Jan 9 2024

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

  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.

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

The next statement will be issued Wednesday morning at 1100 AM EST.

&&

NJC035-101600-
/O.CON.KPHI.FL.W.0009.240110T0600Z-240112T0600Z/
/BKWN4.2.ER.240110T0553Z.240111T0000Z.240112T0040Z.NO/
1059 PM EST Tue Jan 9 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY FRIDAY MORNING...

* WHAT...Moderate flooding is forecast.

* WHERE...Millstone River at Blackwells Mills.

* WHEN...Until early Friday morning.

* 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.
  At 13.0 feet, Washington Street and several businesses are flooded.

* ADDITIONAL DETAILS...
  - At 10:15 PM EST Tuesday the stage was 6.4 feet.
  - Forecast...The river is expected to rise above flood stage
    just after midnight tonight to a crest of 13.2 feet tomorrow
    evening. It will then fall below flood stage Thursday
    evening.
  - Flood stage is 9.0 feet.
  - Flood History...This crest compares to a previous crest of
    13.2 feet on 12/21/1973.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (1 am)        Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Millstone River
Blackwells Mill 9.0   6.4  Tue 10 p   12.8 7.4        13.2 7pm 1/10


&&

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


$$

AKL

296 
WGUS81 KPHI 100801
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
301 AM EST Wed Jan 10 2024

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

  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.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

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

The next statement will be issued this afternoon at 315 PM EST.

&&

NJC035-102015-
/O.CON.KPHI.FL.W.0009.000000T0000Z-240112T0600Z/
/BKWN4.2.ER.240110T0853Z.240111T0000Z.240111T2334Z.NO/
301 AM EST Wed Jan 10 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY FRIDAY MORNING...

* WHAT...Moderate flooding is forecast.

* WHERE...Millstone River at Blackwells Mills.

* WHEN...Until early Friday morning.

* 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.
  At 13.0 feet, Washington Street and several businesses are flooded.

* ADDITIONAL DETAILS...
  - At 2:15 AM EST Wednesday the stage was 7.9 feet and rising.
  - Forecast...The river is expected to rise above flood stage
    early this morning to a crest of 12.8 feet this evening. It
    will then fall below flood stage tomorrow evening.
  - Flood stage is 9.0 feet.
  - Flood History...This crest compares to a previous crest of
    12.9 feet on 05/30/1984.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (1 am)        Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Millstone River
Blackwells Mill 9.0   7.9  Wed 2 am   12.5 7.1        12.8 7pm 1/10


&&

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


$$

Hoeflich

514 
WGUS81 KPHI 100935
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
435 AM EST Wed Jan 10 2024

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

  Millstone River At Blackwells Mills affecting Somerset County.



For the Millstone River...including Blackwells Mills...Moderate 
flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

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 afternoon at 445 PM EST.

&&

NJC035-102145-
/O.CON.KPHI.FL.W.0009.000000T0000Z-240112T0600Z/
/BKWN4.2.ER.240110T0905Z.240111T0000Z.240111T2334Z.NO/
435 AM EST Wed Jan 10 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY FRIDAY MORNING...

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

* WHERE...Millstone River at Blackwells Mills.

* WHEN...Until early Friday morning.

* 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.
  At 13.0 feet, Washington Street and several businesses are flooded.

* ADDITIONAL DETAILS...
  - At 4:15 AM EST Wednesday the stage was 9.1 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 4:15 AM EST Wednesday was 9.1 feet.
  - Forecast...The river is expected to rise to a crest of 12.8
    feet this evening. It will then fall below flood stage
    tomorrow evening.
  - Flood stage is 9.0 feet.
  - Flood History...This crest compares to a previous crest of
    12.9 feet on 05/30/1984.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (7 am)        Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Millstone River
Blackwells Mill 9.0   9.1  Wed 4 am   11.6 5.3        12.8 7pm 1/10


&&

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


$$

AKL

868 
WGUS81 KPHI 101133
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
633 AM EST Wed Jan 10 2024

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

  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.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

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

The next statement will be issued this evening at 645 PM EST.

&&

NJC035-102345-
/O.CON.KPHI.FL.W.0009.000000T0000Z-240112T0600Z/
/BKWN4.2.ER.240110T0905Z.240111T0000Z.240111T2334Z.NO/
633 AM EST Wed Jan 10 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY FRIDAY MORNING...

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

* WHERE...Millstone River at Blackwells Mills.

* WHEN...Until early Friday morning.

* 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.
  At 13.0 feet, Washington Street and several businesses are flooded.

* ADDITIONAL DETAILS...
  - At 6:15 AM EST Wednesday the stage was 10.6 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 6:15 AM EST Wednesday was 10.6 feet.
  - Forecast...The river is expected to rise to a crest of 12.8
    feet this evening. It will then fall below flood stage
    tomorrow evening.
  - Flood stage is 9.0 feet.
  - Flood History...This crest compares to a previous crest of
    12.9 feet on 05/30/1984.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (7 am)        Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Millstone River
Blackwells Mill 9.0   10.6 Wed 6 am   11.6 5.3        12.8 7pm 1/10


&&

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


$$

AKL

967 
WGUS81 KPHI 101512
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1012 AM EST Wed Jan 10 2024

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

  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.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

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

The next statement will be issued this evening at 1015 PM EST.

&&

NJC035-110315-
/O.CON.KPHI.FL.W.0009.000000T0000Z-240112T0600Z/
/BKWN4.2.ER.240110T0905Z.240111T0000Z.240112T0000Z.NO/
1012 AM EST Wed Jan 10 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY FRIDAY MORNING...

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

* WHERE...Millstone River at Blackwells Mills.

* WHEN...Until early Friday morning.

* 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.
  At 13.0 feet, Washington Street and several businesses are flooded.

* ADDITIONAL DETAILS...
  - At 9:30 AM EST Wednesday the stage was 12.3 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 9:30 AM EST Wednesday was 12.3 feet.
  - Forecast...The river is expected to rise to a crest of 13.2
    feet this evening. It will then fall below flood stage
    tomorrow evening.
  - Flood stage is 9.0 feet.
  - Flood History...This crest compares to a previous crest of
    13.2 feet on 12/21/1973.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (1 pm)        Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Millstone River
Blackwells Mill 9.0   12.3 Wed 9 am   10.3 4.1        13.2 7pm 1/10


&&

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


$$

Kruzdlo

588 
WGUS81 KPHI 102022
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
322 PM EST Wed Jan 10 2024

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

  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.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

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

The next statement will be issued late tonight at 330 AM EST.

&&

NJC035-110830-
/O.CON.KPHI.FL.W.0009.000000T0000Z-240112T0600Z/
/BKWN4.2.ER.240110T0905Z.240110T1915Z.000000T0000Z.NO/
322 PM EST Wed Jan 10 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY FRIDAY MORNING...

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

* WHERE...Millstone River at Blackwells Mills.

* WHEN...Until early Friday morning.

* 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.
  At 13.0 feet, Washington Street and several businesses are flooded.

* ADDITIONAL DETAILS...
  - At 2:15 PM EST Wednesday the stage was 13.1 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 2:15 PM EST Wednesday was 13.1 feet.
  - Forecast...The river will crest this evening and slowly fall
    overnight.
  - Flood stage is 9.0 feet.
  - Flood History...This crest compares to a previous crest of
    13.2 feet on 12/21/1973.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (1 pm)        Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Millstone River
Blackwells Mill 9.0   13.1 Wed 2 pm   10.3 4.1      Cresting Shortly
&&

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


$$

Kruzdlo

765 
WGUS81 KPHI 110309
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1009 PM EST Wed Jan 10 2024

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

  Millstone River At Blackwells Mills affecting Somerset County.



For the Millstone River...including Blackwells Mills...Moderate 
flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

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 1015 AM EST.

&&

NJC035-111515-
/O.CON.KPHI.FL.W.0009.000000T0000Z-240112T0600Z/
/BKWN4.2.ER.240110T0905Z.240110T2245Z.000000T0000Z.NO/
1009 PM EST Wed Jan 10 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY FRIDAY MORNING...

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

* WHERE...Millstone River at Blackwells Mills.

* WHEN...Until early Friday morning.

* 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.
  At 13.0 feet, Washington Street and several businesses are flooded.

* ADDITIONAL DETAILS...
  - At 9:45 PM EST Wednesday the stage was 13.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 9:45 PM EST Wednesday was 13.3 feet.
  - Forecast...The river has crested and will gradually fall to
    below flood stage Thursday evening. The river is forecast to
    continue to fall to near 3.2 feet Friday evening. THe river
    is expected to rise above flood stage again early Saturday
    afternoon and continue rising to 9.6 feet Saturday evening.
  - Flood stage is 9.0 feet.
  - Flood History...This crest compares to a previous crest of
    12.9 feet on 05/30/1984.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (1 am)        Crest
Location        Stg   Stg Day/Time    Fri  Sat        Stg Time Date

Millstone River
Blackwells Mill 9.0   13.0 Wed 9 pm   7.1  4.4         MSG  unknown


&&

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


$$

AAD

653 
WGUS81 KPHI 110911
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
411 AM EST Thu Jan 11 2024

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

  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.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

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

The next statement will be issued this afternoon at 415 PM EST.

&&

NJC035-112115-
/O.CON.KPHI.FL.W.0009.000000T0000Z-240112T0600Z/
/BKWN4.2.ER.240110T0905Z.240110T2245Z.000000T0000Z.NO/
411 AM EST Thu Jan 11 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL JUST AFTER MIDNIGHT 
TONIGHT...

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

* WHERE...Millstone River at Blackwells Mills.

* WHEN...Until just after midnight tonight.

* 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 4:00 AM EST Thursday the stage was 11.8 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 4:00 AM EST Thursday was 13.3 feet.
  - Forecast...The river is expected to rise above flood stage
    again Saturday afternoon and continue rising to 9.2 feet
    early Sunday morning.
  - Flood stage is 9.0 feet.
  - Flood History...This crest compares to a previous crest of
    11.9 feet on 12/12/2003.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (7 am)        Crest
Location        Stg   Stg Day/Time    Fri  Sat        Stg Time Date

Millstone River
Blackwells Mill 9.0   11.8 Thu 4 am   5.1  6.8         Crested   


&&

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


$$

Wunderlin

083 
WGUS81 KPHI 111410
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
910 AM EST Thu Jan 11 2024

...The Flood Warning continues 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...

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

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 EST.

&&

NJC035-120215-
/O.CON.KPHI.FL.W.0009.000000T0000Z-240112T0600Z/
/BKWN4.2.ER.240110T0905Z.240110T2245Z.240114T0730Z.NO/
910 AM EST Thu Jan 11 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL JUST AFTER MIDNIGHT 
TONIGHT...

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

* WHERE...Millstone River at Blackwells Mills.

* WHEN...Until just after midnight tonight.

* 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 8:15 AM EST Thursday the stage was 11.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 8:15 AM EST Thursday was 13.3 feet.
  - Forecast...The river will fall below flood stage late this
    afternoon to 3.3 feet. Then additional rises are expected
    into the weekend.
  - Flood stage is 9.0 feet.
  - Flood History...This crest compares to a previous crest of
    11.0 feet on 06/05/2003.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (7 am)        Crest
Location        Stg   Stg Day/Time    Fri  Sat        Stg Time Date

Millstone River
Blackwells Mill 9.0   11.0 Thu 8 am   5.3  6.7    Crested & Falling 


&&

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


$$

Kruzdlo

757 
WGUS81 KPHI 120035
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
735 PM EST Thu Jan 11 2024

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

  Millstone River At Blackwells Mills affecting Somerset County.



NJC035-120145-
/O.CAN.KPHI.FL.W.0009.000000T0000Z-240112T0035Z/
/BKWN4.2.ER.240110T0905Z.240110T2245Z.240114T1200Z.NO/
735 PM EST Thu Jan 11 2024

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Millstone River At Blackwells Mills.

* ADDITIONAL DETAILS...
  - At 7:15 PM EST Thursday the stage was 8.9 feet.
  - Forecast...The river level will continue to fall tonight and
    Friday. Additional rains Friday night will cause the level to
    rise again for the weekend.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (7 pm)        Crest
Location        Stg   Stg Day/Time    Fri  Sat        Stg Time Date

Millstone River
Blackwells Mill 9.0   8.9  Thu 7 pm   3.7  9.4    Crested & Falling


&&

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


$$

PO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 9, 5:03 AM EST	Coastal Flood Advisory	PHI	Atlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 2 more	38 hr
Jan 9, 3:18 PM EST	River Flood Warning	PHI	Bergen, Morris, Passaic	41 hr
Jan 9, 3:23 PM EST	River Flood Warning	PHI	Morris, Passaic	56 hr
Jan 9, 3:29 PM EST	River Flood Warning	PHI	Essex, Morris, Passaic	9 days
Jan 9, 3:37 PM EST	River Flood Warning	PHI	Essex, Morris, Passaic	8 days
Jan 9, 3:40 PM EST	River Flood Warning	PHI	Essex, Passaic	21 days
Jan 9, 3:45 PM EST	River Flood Warning	PHI	Passaic	51 hr
Jan 9, 3:47 PM EST	River Flood Warning	PHI	Morris, Passaic	51 hr
Jan 9, 3:50 PM EST	River Flood Warning	PHI	Morris	5 days
Jan 9, 3:56 PM EST	River Flood Warning	PHI	Somerset	23 hr
Jan 9, 3:58 PM EST	River Flood Warning	PHI	Middlesex, Somerset	37 hr
Jan 9, 4:00 PM EST	River Flood Warning	PHI	Middlesex, Somerset	41 hr
Jan 9, 4:25 PM EST	River Flood Warning	PHI	Mercer	19 hr
Jan 9, 5:07 PM EST	River Flood Warning	PHI	Hunterdon, Somerset	27 hr
Jan 9, 5:58 PM EST	Areal Flood Warning	PHI	Burlington, Camden, Gloucester, Mercer	8 hr
Jan 9, 6:08 PM EST	Areal Flood Warning	PHI	Gloucester, Salem	9 hr
Jan 9, 6:13 PM EST	Areal Flood Warning	PHI	Hunterdon, Mercer	6 hr
Jan 9, 6:26 PM EST	Areal Flood Warning	PHI	Hunterdon, Mercer, Middlesex, Morris, Somerset, Warren	6 hr

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.