Alert archive / New Jersey / River Flood Warnings in 2022

River Flood Warning 10, NWS Philadelphia/Mount Holly

April 7, 2022Hunterdon County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Apr 7, 2022, 11:23 PM EDT for Hunterdon County, Somerset County, New Jersey. It was in force for 14 hr.

The area

The outline as issued.

The facts

Issued: Apr 7, 2022, 11:23 PM EDT (03:23 UTC)
Expired: Apr 8, 2022, 1:02 PM EDT
In force: 14 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Minor

Counties Hunterdon County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 77 km from the middle of the area, began a volume at 03:27 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 South Branch Raritan River at Stanton (STTN4). The gauge peaked at 9.08 ft at Apr 8, 2022, 3:00 AM EDT.

Action stage: 7 ft
Minor stage: 8 ft
Moderate stage: 10 ft
Major stage: 12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01397000, 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.

290 
WGUS41 KPHI 080323
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1123 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...

  South Branch Raritan River At Stanton affecting Somerset and 
  Hunterdon 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 Friday morning by 1130 AM EDT.

&&


NJC019-035-081530-
/O.NEW.KPHI.FL.W.0010.220408T0323Z-220408T2130Z/
/STTN4.1.ER.220408T0322Z.220408T1200Z.220408T1530Z.NO/
1123 PM EDT Thu Apr 7 2022

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

* WHAT...Minor flooding is forecast.

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

* WHEN...Until tomorrow 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 11:15 PM EDT Thursday the stage was 8.0 feet.
  - Forecast...The river is expected to rise above flood stage
    late this evening to a crest of 8.7 feet tomorrow morning. It
    will then fall below flood stage late tomorrow morning.
  - Flood stage is 8.0 feet.
  - Flood History...This crest compares to a previous crest of
    8.6 feet on 08/23/2021.
  - http://www.weather.gov/safety/flood

&&

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

South Branch Rar
Stanton         8.0   8.0  Thu 11 p   6.1  4.6        8.7 8am 4/08


&&

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


$$

Kruzdlo

2 follow-up statements

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

257 
WGUS81 KPHI 081702
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
102 PM EDT Fri Apr 8 2022

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

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

NJC019-035-081815-
/O.CAN.KPHI.FL.W.0010.000000T0000Z-220408T1702Z/
/STTN4.N.ER.220408T0322Z.220408T0715Z.220408T1620Z.NO/
102 PM EDT Fri Apr 8 2022

...FLOOD WARNING IS CANCELLED...

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

* ADDITIONAL DETAILS...
  - At 12:45 PM EDT Friday the stage was 7.9 feet.
  - Forecast...The river is expected to fall to 3.9 feet Monday
    morning.
  - http://www.weather.gov/safety/flood

&&

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

South Branch Rar
Stanton         8.0   7.9  Fri 12 p   5.3  4.2         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.

Issued	Product	Office	Counties	Lasted
Apr 7, 8:20 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	3 hr
Apr 7, 8:46 PM EDT	Areal Flood Advisory	PHI	Middlesex, Morris, Somerset	3 hr
Apr 7, 9:29 PM EDT	Areal Flood Warning	PHI	Somerset	4 hr
Apr 7, 9:37 PM EDT	Areal Flood Warning	PHI	Morris	11 hr
Apr 7, 10:55 PM EDT	Areal Flood Warning	PHI	Warren	57 hr
Apr 7, 10:57 PM EDT	River Flood Warning	PHI	Morris, Passaic	35 hr
Apr 7, 11:02 PM EDT	River Flood Warning	PHI	Morris	63 hr
Apr 7, 11:08 PM EDT	River Flood Warning	PHI	Somerset	15 hr
Apr 7, 11:10 PM EDT	River Flood Warning	PHI	Middlesex, Somerset	23 hr
Apr 7, 11:11 PM EDT	River Flood Warning	PHI	Middlesex, Somerset	20 hr
Apr 8, 12:17 AM EDT	River Flood Warning	PHI	Bergen, Morris, Passaic	12 hr
Apr 8, 12:18 AM EDT	River Flood Warning	PHI	Morris, Passaic	18 hr
Apr 8, 3:29 AM EDT	Areal Flood Warning	PHI	Sussex, Warren	19 hr
Apr 8, 5:53 AM EDT	River Flood Warning	PHI	Somerset	23 hr
Apr 8, 10:29 AM EDT	River Flood Warning	PHI	Essex, Morris, Passaic	5 days
Apr 8, 10:29 AM EDT	River Flood Warning	PHI	Essex, Morris, Passaic	4 days
Apr 8, 10:29 AM EDT	River Flood Warning	PHI	Essex, Passaic	3 days
Apr 8, 12:08 PM EDT	River Flood Warning	PHI	Sussex, Warren	17 hr
Apr 8, 1:37 PM EDT	Areal Flood Warning	PHI	Sussex	27 hr
Apr 8, 2:13 PM EDT	Areal Flood Warning	PHI	Warren	7 hr
Apr 8, 2:49 PM EDT	River Flood Warning	PHI	Hunterdon, Warren	20 hr
Apr 8, 2:50 PM EDT	River Flood Warning	PHI	Hunterdon, Mercer	20 hr

Nearby

River Flood Warnings in New Jersey, 2022 Every 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.