Alert archive / New Jersey / River Flood Warnings in 2024

River Flood Warning 67, NWS Philadelphia/Mount Holly

March 23, 2024Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Mar 23, 2024, 11:18 PM EDT for Morris County, New Jersey. It was in force for 26 hr.

The area

The outline as issued.

The facts

Issued: Mar 23, 2024, 11:18 PM EDT (03:18 UTC)
Expired: Mar 25, 2024, 1:20 AM EDT
In force: 26 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Minor

County Morris County, NJ

The radar

The Philadelphia radar (KDIX), 103 km from the middle of the area, began a volume at 03:19 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 Rockaway River at Boonton below reservoir (BONN4). The gauge peaked at 5.83 ft at Mar 24, 2024, 9:00 AM EDT.

Action stage: 4.5 ft
Minor stage: 5 ft
Moderate stage: 7 ft
Major stage: 8 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01381000, 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.

530 
WGUS41 KPHI 240318
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1118 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...

  Rockaway River At Boonton Below Resvr affecting Morris County.



For the Rockaway River...including Boonton Below Resvr...Minor 
flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

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

The next statement will be issued Sunday morning at 1130 AM EDT.

&&

NJC027-241530-
/O.NEW.KPHI.FL.W.0067.240324T0318Z-240325T0600Z/
/BONN4.1.ER.240324T0600Z.240324T1200Z.240325T0000Z.NO/
1118 PM EDT Sat Mar 23 2024

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

* WHAT...Minor flooding is forecast.

* WHERE...Rockaway River at Boonton Below Resvr.

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

* IMPACTS...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.

* ADDITIONAL DETAILS...
  - At 11:00 PM EDT Saturday the stage was 4.7 feet.
  - Forecast...The river is expected to rise above flood stage
    just after midnight tonight to a crest of 5.3 feet tomorrow
    morning. It will then fall below flood stage tomorrow
    evening.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    5.3 feet on 10/30/2003.
  - http://www.weather.gov/safety/flood

&&

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

Rockaway River
Boonton Below R 5.0   4.7  Sat 11 p   4.8  4.0        5.3 8am 3/24


&&

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


$$

AKL

6 follow-up statements

479 
WGUS81 KPHI 240518
FLSPHI

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

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

  Rockaway River At Boonton Below Resvr affecting Morris County.



For the Rockaway River...including Boonton Below Resvr...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.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

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

The next statement will be issued this afternoon at 130 PM EDT.

&&

NJC027-241730-
/O.CON.KPHI.FL.W.0067.000000T0000Z-240325T0600Z/
/BONN4.1.ER.240324T0427Z.240324T1200Z.240325T0000Z.NO/
118 AM EDT Sun Mar 24 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL JUST AFTER MIDNIGHT 
TONIGHT...

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

* WHERE...Rockaway River at Boonton Below Resvr.

* WHEN...Until just after midnight tonight.

* IMPACTS...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.

* ADDITIONAL DETAILS...
  - At 1:00 AM EDT Sunday the stage was 5.1 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 1:00 AM EDT Sunday was 5.1 feet.
  - Forecast...The river is expected to rise to a crest of 5.3
    feet this morning. It will then fall below flood stage this
    evening.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    5.3 feet on 10/30/2003.
  - http://www.weather.gov/safety/flood

&&

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

Rockaway River
Boonton Below R 5.0   5.1  Sun 1 am   4.8  4.0        5.3 8am 3/24


&&

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


$$

AKL

039 
WGUS81 KPHI 240554
FLSPHI

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

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

  Rockaway River At Boonton Below Resvr affecting Morris County.



For the Rockaway River...including Boonton Below Resvr...Minor 
flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

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.

&&

NJC027-241800-
/O.EXT.KPHI.FL.W.0067.000000T0000Z-240325T0900Z/
/BONN4.1.ER.240324T0427Z.240324T1200Z.240325T0900Z.NO/
154 AM EDT Sun Mar 24 2024

...FLOOD WARNING NOW IN EFFECT UNTIL LATE TONIGHT...

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

* WHERE...Rockaway River at Boonton Below Resvr.

* WHEN...Until late tonight.

* IMPACTS...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.

* ADDITIONAL DETAILS...
  - At 1:00 AM EDT Sunday the stage was 5.1 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 1:00 AM EDT Sunday was 5.1 feet.
  - Forecast...The river is expected to rise to a crest of 5.5
    feet this morning. It will then fall below flood stage late
    tonight.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    5.5 feet on 03/30/1994.
  - http://www.weather.gov/safety/flood

&&

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

Rockaway River
Boonton Below R 5.0   5.1  Sun 1 am   5.1  4.2        5.5 8am 3/24


&&

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


$$

AKL

580 
WGUS81 KPHI 240755
FLSPHI

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

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

  Rockaway River At Boonton Below Resvr affecting Morris County.



For the Rockaway River...including Boonton Below Resvr...Minor 
flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

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 400 PM EDT.

&&

NJC027-242000-
/O.CON.KPHI.FL.W.0067.000000T0000Z-240325T0900Z/
/BONN4.1.ER.240324T0427Z.240324T1200Z.240325T0800Z.NO/
355 AM EDT Sun Mar 24 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL LATE TONIGHT...

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

* WHERE...Rockaway River at Boonton Below Resvr.

* WHEN...Until late tonight.

* IMPACTS...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.

* ADDITIONAL DETAILS...
  - At 3:00 AM EDT Sunday the stage was 5.4 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 3:00 AM EDT Sunday was 5.4 feet.
  - Forecast...The river is expected to rise to a crest of 5.8
    feet this morning. It will then fall below flood stage late
    tonight.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    5.8 feet on 05/12/1981.
  - http://www.weather.gov/safety/flood

&&

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

Rockaway River
Boonton Below R 5.0   5.4  Sun 3 am   5.1  4.2        5.8 8am 3/24


&&

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


$$

AKL

778 
WGUS81 KPHI 241638
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1238 PM EDT Sun Mar 24 2024

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

  Rockaway River At Boonton Below Resvr affecting Morris County.



For the Rockaway River...including Boonton Below Resvr...Minor 
flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

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

The next statement will be issued late tonight at 300 AM EDT.

&&

NJC027-250700-
/O.CON.KPHI.FL.W.0067.000000T0000Z-240325T0900Z/
/BONN4.1.ER.240324T0427Z.240324T1400Z.240325T0600Z.NO/
1238 PM EDT Sun Mar 24 2024

...FLOOD WARNING REMAINS IN EFFECT UNTIL LATE TONIGHT...

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

* WHERE...Rockaway River at Boonton Below Resvr.

* WHEN...Until late tonight.

* IMPACTS...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.

* ADDITIONAL DETAILS...
  - At 12:00 PM EDT Sunday the stage was 5.8 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 12:00 PM EDT Sunday was 5.8 feet.
  - Forecast...The river is expected to fall below flood stage
    just after midnight tonight and continue falling to 3.8 feet
    Wednesday morning.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    5.8 feet on 05/12/1981.
  - http://www.weather.gov/safety/flood

&&

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

Rockaway River
Boonton Below R 5.0   5.8  Sun 12 p   4.5  4.0      Crested & falling


&&

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


$$

MJL

333 
WGUS81 KPHI 250049
FLSPHI

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

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

  Rockaway River At Boonton Below Resvr affecting Morris County.



For the Rockaway River...including Boonton Below Resvr...Minor 
flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

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 Monday morning at 800 AM EDT.

&&

NJC027-251200-
/O.EXT.KPHI.FL.W.0067.000000T0000Z-240325T1200Z/
/BONN4.1.ER.240324T0427Z.240324T1400Z.240325T0600Z.NO/
849 PM EDT Sun Mar 24 2024

...FLOOD WARNING NOW IN EFFECT UNTIL TOMORROW MORNING...

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

* WHERE...Rockaway River at Boonton Below Resvr.

* WHEN...Until tomorrow morning.

* IMPACTS...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.

* ADDITIONAL DETAILS...
  - At 8:00 PM EDT Sunday the stage was 5.3 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 8:00 PM EDT Sunday was 5.8 feet.
  - Forecast...The river is expected to fall below flood stage
    after midnight tonight and continue falling to 3.8 feet
    Wednesday evening.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    5.3 feet on 06/02/2003.
  - http://www.weather.gov/safety/flood

&&

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

Rockaway River
Boonton Below R 5.0   5.3  Sun 8 pm   4.3  3.9      Already crested


&&

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


$$

RCM

314 
WGUS81 KPHI 250520
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
120 AM EDT Mon Mar 25 2024

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

  Rockaway River At Boonton Below Resvr affecting Morris County.



NJC027-250630-
/O.CAN.KPHI.FL.W.0067.000000T0000Z-240325T0520Z/
/BONN4.1.ER.240324T0427Z.240324T1400Z.240325T0600Z.NO/
120 AM EDT Mon Mar 25 2024

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Rockaway River At Boonton Below Resvr.

* ADDITIONAL DETAILS...
  - At 1:00 AM EDT Monday the stage was 4.97 feet.
  - Forecast...The river is expected to fall to 3.8 feet
    Wednesday evening.
  - http://www.weather.gov/safety/flood

&&

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

Rockaway River
Boonton Below R 5.0   4.97 Mon 1 am   4.2  3.9      Crested & falling


&&

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


$$

AKL

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 24, 12:11 AM EDT	Areal Flood Warning	PHI	Monmouth, Ocean	9 hr
Mar 24, 12:17 AM EDT	Areal Flood Warning	PHI	Warren	12 hr
Mar 24, 2:37 AM EDT	Areal Flood Warning	PHI	Cumberland, Salem	3 days
Mar 24, 5:23 AM EDT	Small Craft Advisory	PHI		8 hr
Mar 24, 1:44 PM EDT	Small Craft Advisory	PHI		4 days
Mar 24, 3:29 PM EDT	Coastal Flood Warning	PHI	Atlantic, Burlington, Cape May, Middlesex, Monmouth, Ocean	30 hr

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.