Alert archive / New Jersey / River Flood Warnings in 2024

River Flood Warning 65, NWS Philadelphia/Mount Holly

March 23, 2024Middlesex County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Mar 23, 2024, 4:14 PM EDT for Middlesex County, Somerset County, New Jersey. It took effect at Mar 23, 2024, 11:22 PM EDT. It was in force for 13 hr.

The area

The outline as issued.

The facts

Issued
Mar 23, 2024, 4:14 PM EDT (20:14 UTC)
In effect from
Mar 23, 2024, 11:22 PM EDT
Expired
Mar 24, 2024, 12:30 PM EDT
In force
13 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), 70 km from the middle of the area, began a volume at 20:16 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 Manville (MNVN4). The gauge peaked at 16.08 ft at Mar 24, 2024, 4:00 AM EDT.

actionminormoderate5101503/2303/2403/25
Action stage
12 ft
Minor stage
14 ft
Moderate stage
17 ft
Major stage
20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01400500, 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.

618 
WGUS41 KPHI 232014
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
414 PM EDT Sat Mar 23 2024

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

  Raritan River At Manville affecting Middlesex and Somerset 
  Counties.



For the Raritan River...including Manville...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 at 415 AM EDT.

&&

NJC023-035-240815-
/O.NEW.KPHI.FL.W.0065.240324T0322Z-240324T1848Z/
/MNVN4.1.ER.240324T0322Z.240324T0600Z.240324T1248Z.NO/
414 PM EDT Sat Mar 23 2024

...FLOOD WARNING IN EFFECT FROM THIS EVENING TO EARLY TOMORROW 
AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Raritan River at Manville.

* WHEN...From this evening to early tomorrow afternoon.

* IMPACTS...At 11.0 feet, At this level, inundation begins in Dukes 
  Park in Manville.
  At 12.0 feet, Cautionary/Action stage is reached. Roads and trails 
  flood within Dukes Park.
  At 13.0 feet, Southside Avenue in Somerville floods.
  At 15.0 feet, Dukes Parkway begins to flood in Hillsborough.
  At 16.0 feet, Lincoln Avenue in the Lost Valley section of 
  Manville floods.

* ADDITIONAL DETAILS...
  - At 3:15 PM EDT Saturday the stage was 9.1 feet.
  - Forecast...The river is expected to rise above flood stage
    late this evening to a crest of 15.4 feet just after midnight
    tonight. It will then fall below flood stage tomorrow
    morning.
  - Flood stage is 14.0 feet.
  - Flood History...This crest compares to a previous crest of
    15.7 feet on 12/02/1996.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 pm)        Crest
Location        Stg   Stg Day/Time    Sun  Mon        Stg Time Date

Raritan River
Manville        14.0  9.1  Sat 3 pm   11.4 6.8        15.4 2am 3/24


&&

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


$$

Kruzdlo
6 follow-up statements
066 
WGUS81 KPHI 240147
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
947 PM EDT Sat Mar 23 2024

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

  Raritan River At Manville affecting Somerset and Middlesex 
  Counties.



For the Raritan River...including Manville...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 Sunday morning at 1000 AM EDT.

&&

NJC023-035-241400-
/O.CON.KPHI.FL.W.0065.240324T0322Z-240324T1848Z/
/MNVN4.1.ER.240324T0314Z.240324T0600Z.240324T0836Z.NO/
947 PM EDT Sat Mar 23 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY TOMORROW AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Raritan River at Manville.

* WHEN...Until early tomorrow afternoon.

* IMPACTS...At 11.0 feet, At this level, inundation begins in Dukes 
  Park in Manville.
  At 12.0 feet, Cautionary/Action stage is reached. Roads and trails 
  flood within Dukes Park.
  At 13.0 feet, Southside Avenue in Somerville floods.
  At 15.0 feet, Dukes Parkway begins to flood in Hillsborough.
  At 16.0 feet, Lincoln Avenue in the Lost Valley section of 
  Manville floods.

* ADDITIONAL DETAILS...
  - At 9:15 PM EDT Saturday the stage was 13.3 feet and rising.
  - Forecast...The river is expected to rise above flood stage
    late this evening to a crest of 15.0 feet just after midnight
    tonight. It will then fall below flood stage late tonight.
  - Flood stage is 14.0 feet.
  - Flood History...This crest compares to a previous crest of
    14.9 feet on 03/11/2011.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (8 pm)        Crest
Location        Stg   Stg Day/Time    Sun  Mon        Stg Time Date

Raritan River
Manville        14.0  13.3 Sat 9 pm   8.6  6.2        15.0 2am 3/24


&&

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


$$

Hoeflich
102 
WGUS81 KPHI 240330
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1130 PM EDT Sat Mar 23 2024

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

  Raritan River At Manville affecting Middlesex and Somerset 
  Counties.



For the Raritan River...including Manville...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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 Sunday morning at 1130 AM EDT.

&&

NJC023-035-241530-
/O.CON.KPHI.FL.W.0065.000000T0000Z-240324T1848Z/
/MNVN4.1.ER.240324T0231Z.240324T0600Z.240324T0836Z.NO/
1130 PM EDT Sat Mar 23 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY TOMORROW AFTERNOON...

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

* WHERE...Raritan River at Manville.

* WHEN...Until early tomorrow afternoon.

* IMPACTS...At 11.0 feet, At this level, inundation begins in Dukes 
  Park in Manville.
  At 12.0 feet, Cautionary/Action stage is reached. Roads and trails 
  flood within Dukes Park.
  At 13.0 feet, Southside Avenue in Somerville floods.
  At 15.0 feet, Dukes Parkway begins to flood in Hillsborough.
  At 16.0 feet, Lincoln Avenue in the Lost Valley section of 
  Manville floods.

* ADDITIONAL DETAILS...
  - At 11:15 PM EDT Saturday the stage was 14.4 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 11:15 PM EDT Saturday was 14.4 feet.
  - Forecast...The river is expected to rise to a crest of 15.0
    feet just after midnight tonight. It will then fall below
    flood stage late tonight.
  - Flood stage is 14.0 feet.
  - Flood History...This crest compares to a previous crest of
    14.9 feet on 03/11/2011.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 am)        Crest
Location        Stg   Stg Day/Time    Mon  Tue        Stg Time Date

Raritan River
Manville        14.0  14.4 Sat 11 p   7.6  6.0        15.0 2am 3/24


&&

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


$$

AKL
802 
WGUS81 KPHI 240522
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
122 AM EDT Sun Mar 24 2024

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

  Raritan River At Manville affecting Middlesex and Somerset 
  Counties.



For the Raritan River...including Manville...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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 afternoon at 130 PM EDT.

&&

NJC023-035-241730-
/O.CON.KPHI.FL.W.0065.000000T0000Z-240324T1848Z/
/MNVN4.1.ER.240324T0231Z.240324T0600Z.240324T1100Z.NO/
122 AM EDT Sun Mar 24 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL THIS AFTERNOON...

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

* WHERE...Raritan River at Manville.

* WHEN...Until this afternoon.

* IMPACTS...At 11.0 feet, At this level, inundation begins in Dukes 
  Park in Manville.
  At 12.0 feet, Cautionary/Action stage is reached. Roads and trails 
  flood within Dukes Park.
  At 13.0 feet, Southside Avenue in Somerville floods.
  At 15.0 feet, Dukes Parkway begins to flood in Hillsborough.
  At 16.0 feet, Lincoln Avenue in the Lost Valley section of 
  Manville floods.
  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.

* ADDITIONAL DETAILS...
  - At 12:15 AM EDT Sunday the stage was 15.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 12:15 AM EDT Sunday was 15.0 feet.
  - Forecast...The river is expected to rise to a crest of 16.0
    feet early this morning. It will then fall below flood stage
    this morning.
  - Flood stage is 14.0 feet.
  - Flood History...This crest compares to a previous crest of
    16.0 feet on 04/08/2022.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 am)        Crest
Location        Stg   Stg Day/Time    Mon  Tue        Stg Time Date

Raritan River
Manville        14.0  15.0 Sun 12 a   7.8  6.0        16.0 2am 3/24


&&

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


$$

AKL
231 
WGUS81 KPHI 240750
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
350 AM EDT Sun Mar 24 2024

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

  Raritan River At Manville affecting Middlesex and Somerset 
  Counties.



For the Raritan River...including Manville...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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 afternoon at 300 PM EDT.

&&

NJC023-035-241900-
/O.CON.KPHI.FL.W.0065.000000T0000Z-240324T1848Z/
/MNVN4.1.ER.240324T0231Z.240324T0715Z.240324T1224Z.NO/
350 AM EDT Sun Mar 24 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL THIS AFTERNOON...

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

* WHERE...Raritan River at Manville.

* WHEN...Until this afternoon.

* IMPACTS...At 11.0 feet, At this level, inundation begins in Dukes 
  Park in Manville.
  At 12.0 feet, Cautionary/Action stage is reached. Roads and trails 
  flood within Dukes Park.
  At 13.0 feet, Southside Avenue in Somerville floods.
  At 15.0 feet, Dukes Parkway begins to flood in Hillsborough.
  At 16.0 feet, Lincoln Avenue in the Lost Valley section of 
  Manville floods.
  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.

* ADDITIONAL DETAILS...
  - At 3:15 AM EDT Sunday the stage was 16.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 3:15 AM EDT Sunday was 16.0 feet.
  - Forecast...The river is expected to fall below flood stage
    this morning and continue falling to 5.6 feet early Wednesday
    morning.
  - Flood stage is 14.0 feet.
  - Flood History...This crest compares to a previous crest of
    16.0 feet on 04/08/2022.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 am)        Crest
Location        Stg   Stg Day/Time    Mon  Tue        Stg Time Date

Raritan River
Manville        14.0  16.0 Sun 3 am   7.9  6.0         Cresting   


&&

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


$$

AKL
746 
WGUS81 KPHI 240941
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
541 AM EDT Sun Mar 24 2024

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

  Raritan River At Manville affecting Middlesex and Somerset 
  Counties.



For the Raritan River...including Manville...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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 afternoon at 300 PM EDT.

&&

NJC023-035-241900-
/O.CON.KPHI.FL.W.0065.000000T0000Z-240324T1848Z/
/MNVN4.1.ER.240324T0231Z.240324T0830Z.240324T1344Z.NO/
541 AM EDT Sun Mar 24 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL THIS AFTERNOON...

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

* WHERE...Raritan River at Manville.

* WHEN...Until this afternoon.

* IMPACTS...At 11.0 feet, At this level, inundation begins in Dukes 
  Park in Manville.
  At 12.0 feet, Cautionary/Action stage is reached. Roads and trails 
  flood within Dukes Park.
  At 13.0 feet, Southside Avenue in Somerville floods.
  At 15.0 feet, Dukes Parkway begins to flood in Hillsborough.
  At 16.0 feet, Lincoln Avenue in the Lost Valley section of 
  Manville floods.

* ADDITIONAL DETAILS...
  - At 5:15 AM EDT Sunday the stage was 16.0 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 5:15 AM EDT Sunday was 16.1 feet.
  - Forecast...The river is expected to fall below flood stage
    late this morning and continue falling to 5.6 feet early
    Wednesday morning.
  - Flood stage is 14.0 feet.
  - Flood History...This crest compares to a previous crest of
    16.0 feet on 04/08/2022.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (8 am)        Crest
Location        Stg   Stg Day/Time    Mon  Tue        Stg Time Date

Raritan River
Manville        14.0  16.0 Sun 5 am   7.1  5.9         Cresting   


&&

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


$$

AKL
052 
WGUS81 KPHI 241630
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1230 PM EDT Sun Mar 24 2024

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

  Raritan River At Manville affecting Somerset and Middlesex 
  Counties.



NJC023-035-241730-
/O.CAN.KPHI.FL.W.0065.000000T0000Z-240324T1630Z/
/MNVN4.1.ER.240324T0231Z.240324T0830Z.240324T1359Z.NO/
1230 PM EDT Sun Mar 24 2024

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Raritan River At Manville.

* ADDITIONAL DETAILS...
  - At 12:15 PM EDT Sunday the stage was 12.7 feet.
  - Forecast...The river is expected to fall to 5.6 feet
    Wednesday morning.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 pm)        Crest
Location        Stg   Stg Day/Time    Mon  Tue        Stg Time Date

Raritan River
Manville        14.0  12.7 Sun 12 p   6.6  5.8      Crested & falling


&&

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


$$

MJL

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 8:50 AM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Mercer2 hr
Mar 23, 11:15 AM EDTAreal Flood WarningPHIBurlington, Camden, Gloucester, Mercer6 hr
Mar 23, 11:21 AM EDTAreal Flood WarningPHIHunterdon, Mercer6 hr
Mar 23, 11:30 AM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Middlesex, Morris, Somerset69 min
Mar 23, 11:35 AM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Mercer, Salem3 hr
Mar 23, 11:49 AM EDTRiver Flood WarningPHISomerset19 hr
Mar 23, 12:39 PM EDTAreal Flood WarningPHIHunterdon, Mercer, Middlesex, Morris, Somerset6 hr
Mar 23, 12:42 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Sussex, Warren5 hr
Mar 23, 1:12 PM EDTRiver Flood WarningPHIMercer12 hr
Mar 23, 2:35 PM EDTAreal Flood WarningPHIBurlington, Camden, Gloucester9 hr
Mar 23, 2:40 PM EDTAreal Flood WarningPHICumberland, Salem16 hr
Mar 23, 3:36 PM EDTCoastal Flood WatchPHIAtlantic, Burlington, Cape May, Middlesex, Monmouth, Ocean24 hr
Mar 23, 3:43 PM EDTRiver Flood WarningPHIBurlington53 hr
Mar 23, 3:56 PM EDTRiver Flood WarningPHIEssex, Morris, Passaic3 days
Mar 23, 3:59 PM EDTRiver Flood WarningPHISomerset38 hr
Mar 23, 4:12 PM EDTRiver Flood WarningPHIHunterdon, Somerset6 hr
Mar 23, 4:15 PM EDTRiver Flood WarningPHIMiddlesex, Somerset21 hr
Mar 23, 4:50 PM EDTAreal Flood WarningPHIMercer, Middlesex, Somerset7 hr
Mar 23, 5:09 PM EDTAreal Flood WarningPHIHunterdon5 hr
Mar 23, 5:46 PM EDTAreal Flood WarningPHIBurlington13 hr
Mar 23, 6:22 PM EDTAreal Flood WarningPHIHunterdon, Somerset4 hr

Nearby

River Flood Warnings in New Jersey, 2024Every 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.