Alert archive / New Jersey / River Flood Warnings in 2022

River Flood Warning 7, NWS Philadelphia/Mount Holly

April 7, 2022Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Apr 7, 2022, 11:08 PM EDT for Somerset County, New Jersey. It took effect at Apr 8, 2022, 1:11 AM EDT. It was in force for 13 hr.

The area

The outline as issued.

The facts

Issued
Apr 7, 2022, 11:08 PM EDT (03:08 UTC)
In effect from
Apr 8, 2022, 1:11 AM EDT
Expired
Apr 8, 2022, 2:00 PM EDT
In force
13 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
Minor

County Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 76 km from the middle of the area, began a volume at 03:08 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 North Branch Raritan River near Raritan (RRTN4). The gauge peaked at 10.12 ft at Apr 8, 2022, 4:00 AM EDT.

actionminormoderate51004/0804/09
Action stage
8 ft
Minor stage
10 ft
Moderate stage
12 ft
Major stage
15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01400000, 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.

861 
WGUS41 KPHI 080308
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1108 PM EDT Thu Apr 7 2022

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

  North Branch Raritan River At Raritan affecting Somerset County.

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 Friday morning by 1115 AM EDT.

&&


NJC035-081515-
/O.NEW.KPHI.FL.W.0007.220408T0511Z-220408T1800Z/
/RRTN4.1.ER.220408T0511Z.220408T0600Z.220408T1200Z.NO/
1108 PM EDT Thu Apr 7 2022

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

* WHAT...Minor flooding is forecast.

* WHERE...North Branch Raritan River At Raritan.

* WHEN...Until early tomorrow afternoon.

* IMPACTS...At 7.0 feet, Minor flooding begins upstream on Black 
  River Road.
  At 10.0 feet, Flooding occurs along Old York Road and in North 
  Branch Village.

* ADDITIONAL DETAILS...
  - At 10:45 PM EDT Thursday the stage was 8.8 feet.
  - Forecast...The river is expected to rise above flood stage
    just after midnight tonight and crest at 10.4 feet. It will
    then fall below flood stage tomorrow morning.
  - Flood stage is 10.0 feet.
  - Flood History...This crest compares to a previous crest of
    10.3 feet on 04/03/2005.
  - http://www.weather.gov/safety/flood

&&

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

North Branch Rar
Raritan         10.0  8.8  Thu 10 p   4.4  3.8        10.4 2am 4/08


&&

LAT...LON 4063 7470 4062 7463 4058 7464 4054 7471


$$

Kruzdlo
1 follow-up statement
579 
WGUS81 KPHI 081438
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1038 AM EDT Fri Apr 8 2022

...Observed flooding changed to Minor severity for the following 
rivers in New Jersey...

  South Branch Raritan River At Stanton affecting Somerset and 
  Hunterdon Counties.

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

  North Branch Raritan River At Raritan affecting Somerset County.

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 morning at 1145 AM EDT.

&&


NJC035-081545-
/O.CAN.KPHI.FL.W.0007.000000T0000Z-220408T1438Z/
/RRTN4.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
1038 AM EDT Fri Apr 8 2022

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the North Branch Raritan River At Raritan.

* ADDITIONAL DETAILS...
  - At 10:15 AM EDT Friday the stage was 8.8 feet.
  - Forecast...The river is expected to fall to 3.5 feet Monday
    morning.
  - http://www.weather.gov/safety/flood

&&

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

North Branch Rar
Raritan         10.0  8.8  Fri 10 a   4.2  3.7        4.3 2pm 4/09


&&

LAT...LON 4063 7470 4062 7463 4058 7464 4054 7471


$$

NJC019-035-082130-
/O.CON.KPHI.FL.W.0010.000000T0000Z-220408T2130Z/
/STTN4.N.ER.220408T0322Z.220408T0715Z.220408T1530Z.NO/
1038 AM EDT Fri Apr 8 2022

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

* WHAT...Minor flooding is occurring.

* WHERE...South Branch Raritan River At Stanton.

* WHEN...Until late this afternoon.

* IMPACTS...At 5.0 feet, Minor low land flooding downstream of gauge.
  At 8.0 feet, Right bank and approach to bridge is flooded.

* ADDITIONAL DETAILS...
  - At 10:15 AM EDT Friday the stage was 8.3 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 10:15 AM EDT Friday was 9.1 feet.
  - Forecast...The river is expected to fall below flood stage
    late this morning and continue falling to 3.9 feet Monday
    morning.
  - Flood stage is 8.0 feet.
  - Flood History...This crest compares to a previous crest of
    8.3 feet on 12/25/2020.
  - http://www.weather.gov/safety/flood

&&

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

South Branch Rar
Stanton         8.0   8.3  Fri 10 a   5.6  4.4         MSG  unknown


&&

LAT...LON 4061 7496 4063 7488 4055 7481 4053 7474
      4046 7475 4050 7487


$$

Fitzsimmons

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 8:20 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Somerset, Sussex, Warren3 hr
Apr 7, 8:46 PM EDTAreal Flood AdvisoryPHIMiddlesex, Morris, Somerset3 hr
Apr 7, 9:29 PM EDTAreal Flood WarningPHISomerset4 hr
Apr 7, 9:37 PM EDTAreal Flood WarningPHIMorris11 hr
Apr 7, 10:55 PM EDTAreal Flood WarningPHIWarren57 hr
Apr 7, 10:57 PM EDTRiver Flood WarningPHIMorris, Passaic35 hr
Apr 7, 11:02 PM EDTRiver Flood WarningPHIMorris63 hr
Apr 7, 11:10 PM EDTRiver Flood WarningPHIMiddlesex, Somerset23 hr
Apr 7, 11:11 PM EDTRiver Flood WarningPHIMiddlesex, Somerset20 hr
Apr 7, 11:23 PM EDTRiver Flood WarningPHIHunterdon, Somerset14 hr
Apr 8, 12:17 AM EDTRiver Flood WarningPHIBergen, Morris, Passaic12 hr
Apr 8, 12:18 AM EDTRiver Flood WarningPHIMorris, Passaic18 hr
Apr 8, 3:29 AM EDTAreal Flood WarningPHISussex, Warren19 hr
Apr 8, 5:53 AM EDTRiver Flood WarningPHISomerset23 hr
Apr 8, 10:29 AM EDTRiver Flood WarningPHIEssex, Morris, Passaic5 days
Apr 8, 10:29 AM EDTRiver Flood WarningPHIEssex, Morris, Passaic4 days
Apr 8, 10:29 AM EDTRiver Flood WarningPHIEssex, Passaic3 days
Apr 8, 12:08 PM EDTRiver Flood WarningPHISussex, Warren17 hr
Apr 8, 1:37 PM EDTAreal Flood WarningPHISussex27 hr
Apr 8, 2:13 PM EDTAreal Flood WarningPHIWarren7 hr
Apr 8, 2:49 PM EDTRiver Flood WarningPHIHunterdon, Warren20 hr
Apr 8, 2:50 PM EDTRiver Flood WarningPHIHunterdon, Mercer20 hr

Nearby

River Flood Warnings in New Jersey, 2022Every river flood warning in 2022

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.