Alert archive / New Jersey / River Flood Warnings in 2024

River Flood Warning 85, NWS Philadelphia/Mount Holly

April 4, 2024Middlesex County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Apr 4, 2024, 1:32 AM EDT for Middlesex County, Somerset County, New Jersey. It was in force for 12 hr.

The area

The outline as issued.

The facts

Issued: Apr 4, 2024, 1:32 AM EDT (05:32 UTC)
Expired: Apr 4, 2024, 1:55 PM EDT
In force: 12 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 05:35 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 14.71 ft at Apr 4, 2024, 6:00 AM EDT.

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.

134 
WGUS41 KPHI 040532
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
132 AM EDT Thu Apr 4 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 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 this morning at 600 AM EDT.

&&

NJC023-035-041000-
/O.NEW.KPHI.FL.W.0085.240404T0532Z-240404T1000Z/
/MNVN4.1.ER.240404T0445Z.240404T0745Z.240404T0836Z.NO/
132 AM EDT Thu Apr 4 2024

...FLOOD WARNING IN EFFECT FROM EARLY THIS MORNING TO THIS MORNING...

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

* WHERE...Raritan River at Manville.

* WHEN...From early this morning to this morning.

* 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.

* ADDITIONAL DETAILS...
  - At 1:15 AM EDT Thursday the stage was 14.1 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 1:15 AM EDT Thursday was 14.1 feet and rising.
  - Forecast...The river will fall below flood stage later this
    morning to 13.9 feet.
  - Flood stage is 14.0 feet.
  - Flood History...This crest compares to a previous crest of
    14.3 feet on 01/28/1996.
  - http://www.weather.gov/safety/flood

&&

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

Raritan River
Manville        14.0  14.1 Thu 1 am   8.7  6.4        14.2 3am 4/04


&&

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


$$

MJL

3 follow-up statements

353 
WGUS81 KPHI 040903
FLSPHI

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

...The Flood Warning is extended 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...

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 200 PM EDT.

&&

NJC023-035-041800-
/O.EXT.KPHI.FL.W.0085.000000T0000Z-240404T1800Z/
/MNVN4.1.ER.240404T0445Z.240404T0815Z.240404T1200Z.NO/
503 AM EDT Thu Apr 4 2024

...FLOOD WARNING NOW 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.

* ADDITIONAL DETAILS...
  - At 4:15 AM EDT Thursday the stage was 14.6 feet and rising.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 4:15 AM EDT Thursday was 14.6 feet.
  - Forecast...The river is expected to fall below flood stage
    late this morning and continue falling to 6.1 feet early
    Sunday morning.
  - Flood stage is 14.0 feet.
  - Flood History...This crest compares to a previous crest of
    14.7 feet on 12/25/2020.
  - 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
Manville        14.0  14.6 Thu 4 am   8.8  6.6         MSG  unknown


&&

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


$$

MJL

818 
WGUS81 KPHI 041612
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1212 PM EDT Thu Apr 4 2024

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

  Raritan River At Manville affecting Somerset and Middlesex 
  Counties.



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 afternoon at 200 PM EDT.

&&

NJC023-035-041800-
/O.CON.KPHI.FL.W.0085.000000T0000Z-240404T1800Z/
/MNVN4.1.ER.240404T0445Z.240404T1030Z.240404T1543Z.NO/
1212 PM EDT Thu Apr 4 2024

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

* WHAT...Minor flooding is occurring.

* 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.

* ADDITIONAL DETAILS...
  - At 11:15 AM EDT Thursday the stage was 14.2 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 11:15 AM EDT Thursday was 14.7 feet.
  - Forecast...The river is expected to fall to 5.8 feet Sunday
    morning.
  - Flood stage is 14.0 feet.
  - Flood History...This crest compares to a previous crest of
    14.3 feet on 01/28/1996.
  - 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
Manville        14.0  14.2 Thu 11 a   8.4  6.2     Crested & falling
&&

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


$$

Kruzdlo

832 
WGUS81 KPHI 041755
FLSPHI

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

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

  Raritan River At Manville affecting Somerset and Middlesex 
  Counties.



NJC023-035-041900-
/O.CAN.KPHI.FL.W.0085.000000T0000Z-240404T1755Z/
/MNVN4.1.ER.240404T0445Z.240404T1030Z.240404T1615Z.NO/
155 PM EDT Thu Apr 4 2024

...FLOOD WARNING IS CANCELLED...

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

* ADDITIONAL DETAILS...
  - At 1:15 PM EDT Thursday the stage was 13.8 feet.
  - Forecast...The river is expected to fall to 5.8 feet Sunday
    morning.
  - 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
Manville        14.0  13.8 Thu 1 pm   8.4  6.2      Crested & falling
&&

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


$$

Kruzdlo

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 8:04 PM EDT	Small Craft Advisory	PHI		42 hr
Apr 3, 10:11 PM EDT	Special Marine Warning	PHI		34 min
Apr 3, 10:16 PM EDT	Special Marine Warning	PHI		44 min
Apr 3, 10:46 PM EDT	Special Marine Warning	PHI		59 min
Apr 3, 11:20 PM EDT	Special Marine Warning	PHI		55 min
Apr 3, 11:23 PM EDT	Special Marine Warning	PHI		52 min
Apr 4, 12:06 AM EDT	Special Marine Warning	PHI		39 min
Apr 4, 12:16 AM EDT	Special Marine Warning	PHI		59 min
Apr 4, 12:45 AM EDT	Special Marine Warning	PHI		7 min
Apr 4, 1:37 AM EDT	Areal Flood Warning	PHI	Cumberland, Salem	70 hr
Apr 4, 2:20 AM EDT	Areal Flood Warning	PHI	Warren	26 hr
Apr 4, 4:40 AM EDT	River Flood Warning	PHI	Passaic	11 hr
Apr 4, 7:42 AM EDT	River Flood Warning	PHI	Essex, Passaic	3 days
Apr 4, 7:43 AM EDT	River Flood Warning	PHI	Essex, Morris, Passaic	4 days
Apr 4, 10:07 AM EDT	Coastal Flood Warning	PHI	Ocean	4 hr
Apr 4, 10:07 AM EDT	Coastal Flood Advisory	PHI	Ocean	16 hr
Apr 4, 6:35 PM EDT	Special Marine Warning	PHI		55 min
Apr 4, 6:43 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.