Alert archive / New Jersey / River Flood Warnings in 2021

River Flood Warning 11, NWS Philadelphia/Mount Holly

August 22, 2021Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Aug 22, 2021, 3:21 PM EDT for Somerset County, New Jersey. It took effect at Aug 22, 2021, 5:56 PM EDT. It was in force for 52 hr.

The area

The outline as issued.

The facts

Issued: Aug 22, 2021, 3:21 PM EDT (19:21 UTC)
In effect from: Aug 22, 2021, 5:56 PM EDT
Expired: Aug 24, 2021, 9:30 PM EDT
In force: 52 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 19:24 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 14.23 ft at Aug 23, 2021, 12:00 PM EDT.

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.

714 
WGUS41 KPHI 221921
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
321 PM EDT Sun Aug 22 2021

...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.


NJC035-230730-
/O.NEW.KPHI.FL.W.0011.210822T2156Z-210825T0326Z/
/BKWN4.2.ER.210822T2156Z.210823T1800Z.210824T2125Z.NO/
321 PM EDT Sun Aug 22 2021

The National Weather Service in Mount Holly has issued a

* Flood Warning for
  the Millstone River At Blackwells Mills.
* Until Tuesday evening.
* At 2:15 PM EDT Sunday the stage was 7.2 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this afternoon to a crest of 13.8 feet early tomorrow afternoon. 
  It will then fall below flood stage Tuesday afternoon.
* Impact...At 6.0 feet, the Griggstown Causway is closed due to 
  flooding.
* Impact...At 7.0 feet, several more causways are closed due to 
  flooding.
* Impact...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.
* Impact...At 10.0 feet, the D&R Canal is flooded by the Millstone 
  River.
* Impact...At 13.0 feet, Washington Street and several businesses 
  are flooded.
* Flood History...This crest compares to a previous crest of 13.8 
  feet on 09/09/2011.

&&


                Fld   Observed           Forecasts (2 pm EDT)     
Location        Stg   Stg   Day/Time     Mon   Tue   Wed          

Millstone River
Blackwells Mill 9.0   7.2   Sun 2 pm EDT 13.8  9.8   4.8          





&&

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

$$

CMS

8 follow-up statements

574 
WGUS81 KPHI 230647
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
247 AM EDT Mon Aug 23 2021

...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...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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


NJC035-231900-
/O.EXT.KPHI.FL.W.0011.000000T0000Z-210825T0300Z/
/BKWN4.2.ER.210822T2033Z.210823T1800Z.210824T2100Z.NO/
247 AM EDT Mon Aug 23 2021

...The Flood Warning is now in effect until late tomorrow evening...

The Flood Warning continues for
  the Millstone River At Blackwells Mills.
* Until Tuesday evening.
* At 2:15 AM Monday the river level was 13.3 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring.
* Forecast...The river is expected to rise to a crest of 13.7 feet 
  this afternoon. It should then fall back below flood stage on 
  Tuesday afternoon.
* Impact...At 10.0 feet, the D&R Canal is flooded by the Millstone 
  River.
* Impact...At 13.0 feet, Washington Street and several businesses 
  are flooded.
* Flood History...This crest compares to a previous crest of 13.8 
  feet on 09/09/2011.

&&


                Fld   Observed           Forecasts (2 am EDT)     
Location        Stg   Stg   Day/Time     Tue   Wed   Thu          

Millstone River
Blackwells Mill 9.0   13.3  Mon 2 am EDT 12.1  6.6   MSG          





&&

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

$$

Iovino

503 
WGUS81 KPHI 230821
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
421 AM EDT Mon Aug 23 2021

...The Flood Warning is extended 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...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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


NJC035-232030-
/O.EXT.KPHI.FL.W.0011.000000T0000Z-210825T1317Z/
/BKWN4.2.ER.210822T2033Z.210823T1800Z.210825T0717Z.NO/
421 AM EDT Mon Aug 23 2021

...The Flood Warning is now in effect until late Wednesday morning...

The Flood Warning continues for
  the Millstone River At Blackwells Mills.
* Until Wednesday morning.
* At 3:15 AM EDT Monday the river level was 13.5 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring and is forecast to continue.
* Forecast...The river is expected to rise to a crest of 14.6 feet 
  this afternoon. It should then fall back below flood stage early 
  Wednesday morning.
* Impact...At 10.0 feet, the D&R Canal is flooded by the Millstone 
  River.
* Impact...At 13.0 feet, Washington Street and several businesses 
  are flooded.

&&


                Fld   Observed           Forecasts (2 am EDT)     
Location        Stg   Stg   Day/Time     Tue   Wed   Thu          

Millstone River
Blackwells Mill 9.0   13.5  Mon 3 am EDT 13.8  9.3   4.3          





&&

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

$$

Iovino

461 
WGUS81 KPHI 231539
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1139 AM EDT Mon Aug 23 2021

...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...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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


NJC035-240345-
/O.CON.KPHI.FL.W.0011.000000T0000Z-210825T1317Z/
/BKWN4.2.ER.210822T2033Z.210823T1800Z.210825T0300Z.NO/
1139 AM EDT Mon Aug 23 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Millstone River At Blackwells Mills.
* Until Wednesday morning.
* At 11:15 AM EDT Monday the stage was 14.2 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 11:15 AM EDT Monday was 14.2 feet.
* Forecast...The river is expected to rise to a crest of 14.4 feet 
  this afternoon. It will then fall below flood stage late tomorrow 
  evening.
* Impact...At 6.0 feet, The Griggstown Causway is closed due to 
  flooding.
* Impact...At 7.0 feet, Several more causways are closed due to 
  flooding.
* Impact...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.
* Impact...At 10.0 feet, The D&R Canal is flooded by the Millstone 
  River.
* Impact...At 13.0 feet, Washington Street and several businesses 
  are flooded.
* Flood History...This crest compares to a previous crest of 14.4 
  feet on 09/21/1989.

&&


                Fld   Observed           Forecasts (2 pm EDT)     
Location        Stg   Stg   Day/Time     Tue   Wed   Thu          

Millstone River
Blackwells Mill 9.0   14.2  Mon 11 am ED 11.3  5.5   MSG          





&&

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

$$

Kruzdlo

252 
WGUS81 KPHI 232003
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
403 PM EDT Mon Aug 23 2021

...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...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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


NJC035-240815-
/O.CON.KPHI.FL.W.0011.000000T0000Z-210825T1317Z/
/BKWN4.2.ER.210822T2033Z.210823T1600Z.210824T2300Z.NO/
403 PM EDT Mon Aug 23 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Millstone River At Blackwells Mills.
* Until Wednesday morning.
* At 3:15 PM EDT Monday the stage was 14.0 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 3:15 PM EDT Monday was 14.2 feet.
* Forecast...The river is expected to fall below flood stage 
  tomorrow evening and continue falling to 2.8 feet early Thursday 
  afternoon.
* Impact...At 6.0 feet, The Griggstown Causway is closed due to 
  flooding.
* Impact...At 7.0 feet, Several more causways are closed due to 
  flooding.
* Impact...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.
* Impact...At 10.0 feet, The D&R Canal is flooded by the Millstone 
  River.
* Impact...At 13.0 feet, Washington Street and several businesses 
  are flooded.
* Flood History...This crest compares to a previous crest of 14.0 
  feet on 01/27/1978.

&&


                Fld   Observed           Forecasts (2 pm EDT)     
Location        Stg   Stg   Day/Time     Tue   Wed   Thu          

Millstone River
Blackwells Mill 9.0   14.0  Mon 3 pm EDT 10.2  4.9   2.8          





&&

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

$$

Kruzdlo

748 
WGUS81 KPHI 240117
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
917 PM EDT Mon Aug 23 2021

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

  Rockaway River At Boonton Below Resvr affecting Morris County.

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

  North Branch Rancocas Creek At Pemberton affecting Burlington 
  County.

  Raritan River At Manville affecting Somerset and Middlesex 
  Counties.

  Raritan River At Bound Brook affecting Somerset and Middlesex 
  Counties.

  Millstone River At Blackwells Mills affecting Somerset County.

  Passaic River Above Singac affecting Morris, Essex, and Passaic 
  Counties.

  Passaic River At Pine Brook affecting Morris, Essex, and Passaic 
  Counties.

For the Passaic River...including Millington, Chatham, Pine Brook, 
Singac, Little Falls...Moderate flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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


NJC005-241200-
/O.EXT.KPHI.FL.W.0024.000000T0000Z-210824T1200Z/
/PEBN4.1.ER.210824T0015Z.210824T0100Z.210824T0600Z.NO/
917 PM EDT Mon Aug 23 2021

...The Flood Warning is now in effect until tomorrow morning...

The Flood Warning continues for
  the North Branch Rancocas Creek At Pemberton.
* Until Tuesday morning.
* At 9:00 PM EDT Monday the stage was 2.5 feet.
* Flood stage is 2.5 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 9:00 PM EDT Monday was 2.5 feet.
* Forecast...The river is expected to fall below flood stage just 
  after midnight tonight and continue falling to 2.0 feet Thursday 
  evening.
* Impact...At 2.5 feet, Some minor flooding begins in Eastampton 
  along Rustic, Peninsula, and Paducah Roads. Lee Street, Joe Road, 
  and Jill Court in Southampton also begin to flood.
* Flood History...This crest compares to a previous crest of 2.5 
  feet on 04/18/2011.

&&


  Fld   Observed           Forecasts (8 pm EDT)
Location                   Stg   Stg   Day/Time     Tue   Wed   Thu

North Branch Rancocas Creek
Pemberton                  2.5   2.5   Mon 9 pm EDT 2.4   2.1   2.0





&&

LAT...LON 4001 7482 3998 7466 3998 7459 3993 7457
      3993 7468 3998 7487

$$

NJC023-035-241200-
/O.EXT.KPHI.FL.W.0021.000000T0000Z-210824T1200Z/
/MNVN4.1.ER.210823T1523Z.210824T0015Z.210824T0600Z.NO/
917 PM EDT Mon Aug 23 2021

...The Flood Warning is now in effect until tomorrow morning...

The Flood Warning continues for
  the Raritan River At Manville.
* Until Tuesday morning.
* At 8:15 PM EDT Monday the stage was 16.6 feet.
* Flood stage is 14.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:15 PM EDT Monday was 16.6 feet.
* Forecast...The river is expected to fall below flood stage just 
  after midnight tonight and continue falling to 5.4 feet early 
  Thursday afternoon.
* Impact...At 16.0 feet, Lincoln Avenue in the Lost Valley section 
  of Manville floods.
* Impact...At 17.0 feet, Street and roadway flooding increases 
  across the Manville area. The Van Veghten Bridge and Main Street 
  in Manville are flooded as well as 5th Street in Somerville. The 
  amount of flooding can vary from event to event and can be 
  affected by the amount of water in the Millstone.
* Flood History...This crest compares to a previous crest of 16.6 
  feet on 01/05/1982.

&&


             Fld   Observed           Forecasts (8 pm EDT)     
Location     Stg   Stg   Day/Time     Tue   Wed   Thu          

Raritan River
Manville     14.0  16.6  Mon 8 pm EDT 7.7   5.7   MSG          





&&

LAT...LON 4058 7464 4057 7456 4052 7456 4054 7471

$$

NJC023-035-241330-
/O.EXT.KPHI.FL.W.0020.000000T0000Z-210824T1600Z/
/BDKN4.2.ER.210823T1113Z.210824T0015Z.210824T1000Z.NO/
917 PM EDT Mon Aug 23 2021

...The Flood Warning is now in effect until early tomorrow 
afternoon...

The Flood Warning continues for
  the Raritan River At Bound Brook.
* Until Tuesday afternoon.
* At 8:15 PM EDT Monday the stage was 30.4 feet.
* Flood stage is 28.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:15 PM EDT Monday was 30.4 feet.
* Forecast...The river is expected to fall below flood stage 
  tomorrow morning and continue falling to 19.2 feet early Thursday 
  afternoon.
* Impact...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.
* Impact...At 30.0 feet, Main Street is protected by flap 
  valves/sluice gates. This level triggers the gate closures to 
  protect Main Street.
* Flood History...This crest compares to a previous crest of 30.5 
  feet on 02/01/1973.

&&


             Fld   Observed           Forecasts (8 pm EDT)     
Location     Stg   Stg   Day/Time     Tue   Wed   Thu          

Raritan River
Bound Brook  28.0  30.4  Mon 8 pm EDT 24.1  20.3  MSG          





&&

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

$$

NJC027-241330-
/O.EXT.KPHI.FL.W.0017.000000T0000Z-210825T0400Z/
/BONN4.1.ER.210823T0900Z.210824T0000Z.210824T2200Z.NO/
917 PM EDT Mon Aug 23 2021

...The Flood Warning is now in effect until early Wednesday 
morning...

The Flood Warning continues for
  the Rockaway River At Boonton Below Resvr.
* Until late Tuesday night.
* At 8:00 PM EDT Monday the stage was 6.2 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:00 PM EDT Monday was 6.2 feet.
* Forecast...The river is expected to fall below flood stage 
  tomorrow evening and continue falling to 3.8 feet Thursday evening.
* Impact...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.
* Flood History...This crest compares to a previous crest of 6.2 
  feet on 04/02/1993.

&&


                   Fld   Observed           Forecasts (8 pm EDT)     
Location           Stg   Stg   Day/Time     Tue   Wed   Thu          

Rockaway River
Boonton Below Resv 5.0   6.2   Mon 8 pm EDT 4.9   4.0   3.8          





&&

LAT...LON 4087 7443 4092 7438 4087 7430 4082 7436

$$

NJC035-241330-
/O.EXT.KPHI.FL.W.0011.000000T0000Z-210825T0500Z/
/BKWN4.2.ER.210822T2033Z.210823T1600Z.210824T2300Z.NO/
917 PM EDT Mon Aug 23 2021

...The Flood Warning is now in effect until early Wednesday 
morning...

The Flood Warning continues for
  the Millstone River At Blackwells Mills.
* Until late Tuesday night.
* At 8:15 PM EDT Monday the stage was 13.3 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:15 PM EDT Monday was 14.2 feet.
* Forecast...The river is expected to fall below flood stage 
  tomorrow evening and continue falling to 2.8 feet early Thursday 
  afternoon.
* Impact...At 10.0 feet, The D&R Canal is flooded by the Millstone 
  River.
* Impact...At 13.0 feet, Washington Street and several businesses 
  are flooded.
* Flood History...This crest compares to a previous crest of 13.2 
  feet on 12/21/1973.

&&


                Fld   Observed           Forecasts (8 pm EDT)     
Location        Stg   Stg   Day/Time     Tue   Wed   Thu          

Millstone River
Blackwells Mill 9.0   13.3  Mon 8 pm EDT 8.8   3.9   MSG          





&&

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

$$

NJC013-027-031-241330-
/O.EXT.KPHI.FL.W.0025.210824T0249Z-210826T0900Z/
/SIGN4.1.ER.210824T0249Z.210824T1800Z.210826T0300Z.NR/
917 PM EDT Mon Aug 23 2021

...The Flood Warning is now in effect until early Thursday morning...

The Flood Warning continues for
  the Passaic River Above Singac.
* Until late Wednesday night.
* At 8:45 PM EDT Monday the stage was 8.4 feet.
* Flood stage is 8.5 feet.
* Minor flooding is forecast. This approaches the flood of record.
* Forecast...The river is expected to rise above flood stage late 
  this evening to a crest of 9.1 feet early tomorrow afternoon. It 
  will then fall below flood stage late Wednesday evening.
* Impact...At 8.5 feet, Portions of the Wayne Town Center parking 
  lot begin to flood. Hobson Avenue and Riverlawn Drive in Wayne 
  begin to flood. Fairfield Road, Fayette Avenue, and Riversedge 
  Road in Wayne can flood as water backs up the Pompton River. 
  Lincoln Boulevard in Lincoln Park can also flood due to backwater 
  up the Pompton river. The Pequannock River Park also floods.
* Impact...At 9.0 feet, Two Bridges Road in Fairfield is subject to 
  closures.
* Impact...At 9.5 feet, Camp Lane and Marginal Road in Fairfield 
  begins to flood.
* Flood History...This crest compares to a previous crest of 9.1 
  feet on 11/28/2018.

&&


             Fld   Observed           Forecasts (8 pm EDT)     
Location     Stg   Stg   Day/Time     Tue   Wed   Thu          

Passaic River
Singac       8.5   8.4   Mon 8 pm EDT 9.0   8.6   7.9          





&&

LAT...LON 4093 7424 4092 7423 4086 7425 4088 7427
      4088 7435 4093 7433

$$

NJC013-027-031-241330-
/O.CON.KPHI.FL.W.0022.000000T0000Z-000000T0000Z/
/PINN4.2.ER.210823T1845Z.210825T0000Z.000000T0000Z.NO/
917 PM EDT Mon Aug 23 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Passaic River At Pine Brook.
* Until further notice.
* At 8:15 PM EDT Monday the stage was 19.5 feet.
* Flood stage is 19.0 feet.
* Minor flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:15 PM EDT Monday was 19.5 feet.
* Forecast...The river is expected to rise to a crest of 20.1 feet 
  tomorrow evening.
* Impact...At 19.0 feet, Street flooding begins in Fairfield 
  including Camp Lane Road. Two Bridges Road is closed going into 
  Lincoln Park and Wayne.
* Impact...At 19.5 feet, Horseneck Road in Fairfield is subject to 
  flooding and closures.
* Impact...At 20.0 feet, Eagle Rock Avenue in Roseland is subject to 
  flooding. Camp Lane Road, River Edge Drive and Broadway Lane in 
  Fairfield are flooded. Stewart Place is closed.
* Flood History...This crest compares to a previous crest of 20.1 
  feet on 05/13/1998.

&&


             Fld   Observed           Forecasts (8 pm EDT)     
Location     Stg   Stg   Day/Time     Tue   Wed   Thu          

Passaic River
Pine Brook   19.0  19.5  Mon 8 pm EDT 20.1  19.8  19.4         





&&

LAT...LON 4088 7427 4082 7430 4081 7438 4088 7435

$$

Deal

646 
WGUS81 KPHI 241315
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
915 AM EDT Tue Aug 24 2021

...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 ongoing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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


NJC035-250115-
/O.CON.KPHI.FL.W.0011.000000T0000Z-210825T0500Z/
/BKWN4.2.ER.210822T2033Z.210823T1600Z.210824T2300Z.NO/
915 AM EDT Tue Aug 24 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Millstone River At Blackwells Mills.
* Until late tonight.
* At 8:15 PM EDT Monday the stage was 13.3 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:15 PM EDT Monday was 14.2 feet.
* Forecast...The river is expected to fall below flood stage this 
  evening and continue falling to 2.8 feet early Thursday afternoon.
* Impact...At 6.0 feet, The Griggstown Causway is closed due to 
  flooding.
* Impact...At 7.0 feet, Several more causways are closed due to 
  flooding.
* Impact...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.
* Impact...At 10.0 feet, The D&R Canal is flooded by the Millstone 
  River.
* Impact...At 13.0 feet, Washington Street and several businesses 
  are flooded.
* Flood History...This crest compares to a previous crest of 13.2 
  feet on 12/21/1973.

&&


                Fld   Observed           Forecasts (8 am EDT)     
Location        Stg   Stg   Day/Time     Wed   Thu   Fri          

Millstone River
Blackwells Mill 9.0   13.3  Mon 8 pm EDT 6.0   2.9   2.6          





&&

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

$$

SFJ

236 
WGUS81 KPHI 241931
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
331 PM EDT Tue Aug 24 2021

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

  Millstone River At Blackwells Mills affecting Somerset County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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


NJC035-250500-
/O.CON.KPHI.FL.W.0011.000000T0000Z-210825T0500Z/
/BKWN4.2.ER.210822T2033Z.210823T1600Z.210824T2254Z.NO/
331 PM EDT Tue Aug 24 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Millstone River At Blackwells Mills.
* Until late tonight.
* At 3:15 PM EDT Tuesday the stage was 10.0 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 3:15 PM EDT Tuesday was 14.0 feet.
* Forecast...The river is expected to fall below flood stage this 
  evening and continue falling to 2.5 feet early Friday afternoon.
* Impact...At 6.0 feet, The Griggstown Causway is closed due to 
  flooding.
* Impact...At 7.0 feet, Several more causways are closed due to 
  flooding.
* Impact...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.
* Impact...At 10.0 feet, The D&R Canal is flooded by the Millstone 
  River.
* Flood History...This crest compares to a previous crest of 9.9 
  feet on 11/20/2003.

&&


                Fld   Observed           Forecasts (2 pm EDT)     
Location        Stg   Stg   Day/Time     Wed   Thu   Fri          

Millstone River
Blackwells Mill 9.0   10.0  Tue 3 pm EDT 4.8   2.8   2.5          





&&

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

$$

Kruzdlo

304 
WGUS81 KPHI 250130
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
930 PM EDT Tue Aug 24 2021

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

  Millstone River At Blackwells Mills affecting Somerset County.

NJC035-250230-
/O.CAN.KPHI.FL.W.0011.000000T0000Z-210825T0130Z/
/BKWN4.2.ER.210822T2033Z.210823T1600Z.210825T0039Z.NO/
930 PM EDT Tue Aug 24 2021

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

The Flood Warning is cancelled for
  the Millstone River At Blackwells Mills.
* At 9:15 PM EDT Tuesday the stage was 8.9 feet.
* Flood stage is 9.0 feet.
* Forecast...The river is expected to fall to 2.5 feet Friday 
  evening.

&&


                Fld   Observed           Forecasts (8 pm EDT)     
Location        Stg   Stg   Day/Time     Wed   Thu   Fri          

Millstone River
Blackwells Mill 9.0   8.9   Tue 9 pm EDT 4.4   2.7   2.5          





&&

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

$$

Deal

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 21, 9:35 PM EDT	Areal Flood Advisory	PHI	Mercer, Middlesex, Monmouth, Ocean	3 hr
Aug 21, 10:47 PM EDT	Areal Flood Advisory	PHI	Morris	3 hr
Aug 21, 11:38 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Monmouth, Ocean	3 hr
Aug 22, 12:04 AM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Camden, Monmouth, Ocean	3 hr
Aug 22, 12:24 AM EDT	Flash Flood Warning	PHI	Morris	3 hr
Aug 22, 1:30 AM EDT	Areal Flood Advisory	PHI	Middlesex, Monmouth	4 hr
Aug 22, 1:35 AM EDT	Areal Flood Advisory	PHI	Morris, Somerset	3 hr
Aug 22, 2:04 AM EDT	Flash Flood Warning	PHI	Middlesex, Monmouth	9 hr
Aug 22, 2:09 AM EDT	Flash Flood Warning	PHI	Burlington, Ocean	5 hr
Aug 22, 2:40 AM EDT	Flash Flood Warning	PHI	Hunterdon, Morris, Somerset	5 hr
Aug 22, 3:10 AM EDT	Flash Flood Warning	PHI	Burlington, Hunterdon, Mercer, Monmouth, Ocean	8 hr
Aug 22, 4:21 AM EDT	Flash Flood Warning	PHI	Monmouth, Ocean	3 hr
Aug 22, 5:36 AM EDT	Flash Flood Warning Considerable damage threat	PHI	Mercer, Middlesex, Monmouth, Somerset	5 hr
Aug 22, 6:07 AM EDT	Flash Flood Warning	PHI	Hunterdon, Warren	67 min
Aug 22, 7:52 AM EDT	Areal Flood Warning	PHI	Hunterdon, Somerset	15 hr
Aug 22, 10:43 AM EDT	Special Marine Warning	PHI		62 min
Aug 22, 10:49 AM EDT	Areal Flood Warning	PHI	Middlesex, Monmouth, Somerset	13 hr
Aug 22, 10:52 AM EDT	Areal Flood Warning	PHI	Hunterdon, Mercer, Monmouth	13 hr
Aug 22, 11:06 AM EDT	Special Marine Warning	PHI		54 min
Aug 22, 1:35 PM EDT	Coastal Flood Advisory	PHI	Cape May	10 hr
Aug 22, 1:53 PM EDT	Areal Flood Advisory	PHI	Morris	6 hr
Aug 22, 5:07 PM EDT	Areal Flood Advisory	PHI	Morris, Sussex, Warren	6 hr
Aug 22, 5:48 PM EDT	Flash Flood Warning	PHI	Morris, Sussex, Warren	6 hr

Nearby

River Flood Warnings in New Jersey, 2021 Every river flood warning in 2021

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.