Alert archive / New Jersey / River Flood Warnings in 2024

River Flood Warning 82, NWS Philadelphia/Mount Holly

April 3, 2024Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Apr 3, 2024, 5:49 PM EDT for Morris County, New Jersey. It took effect at Apr 4, 2024, 12:30 AM EDT. It was in force for 39 hr.

The area

The outline as issued.

The facts

Issued: Apr 3, 2024, 5:49 PM EDT (21:49 UTC)
In effect from: Apr 4, 2024, 12:30 AM EDT
Expired: Apr 5, 2024, 3:01 PM EDT
In force: 39 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 21:50 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 5.89 ft at Apr 4, 2024, 12:00 PM 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.

018 
WGUS41 KPHI 032149
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
549 PM EDT Wed Apr 3 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.

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

The next statement will be issued Thursday morning at 600 AM EDT.

&&

NJC027-041000-
/O.NEW.KPHI.FL.W.0082.240404T0430Z-240405T1601Z/
/BONN4.1.ER.240404T0430Z.240404T1200Z.240405T1000Z.NO/
549 PM EDT Wed Apr 3 2024

...FLOOD WARNING IN EFFECT FROM LATE TONIGHT TO EARLY FRIDAY 
AFTERNOON...

* WHAT...Minor flooding is forecast.

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

* WHEN...From late tonight to early Friday afternoon.

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

* ADDITIONAL DETAILS...
  - At 5:00 PM EDT Wednesday the stage was 4.6 feet.
  - Forecast...The river is expected to rise above flood stage
    just after midnight tonight to a crest of 5.5 feet tomorrow
    morning. It will then fall below flood stage Friday morning.
  - 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 (8 pm)        Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Rockaway River
Boonton Below R 5.0   4.6  Wed 5 pm   5.4  4.5        5.5 8am 4/04


&&

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


$$

Kruzdlo

7 follow-up statements

301 
WGUS81 KPHI 040222
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1022 PM EDT Wed Apr 3 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...

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 Thursday morning at 1130 AM EDT.

&&

NJC027-041530-
/O.CON.KPHI.FL.W.0082.240404T0430Z-240405T1601Z/
/BONN4.1.ER.240404T0211Z.240404T1200Z.240405T0600Z.NO/
1022 PM EDT Wed Apr 3 2024

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

* WHAT...Minor flooding is forecast.

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

* WHEN...Until early Friday afternoon.

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

* ADDITIONAL DETAILS...
  - At 10:00 PM EDT Wednesday the stage was 5.0 feet.
  - Forecast...The river is expected to rise to a crest of 5.5
    feet tomorrow morning. It will then fall below flood stage
    early Friday morning.
  - 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 (8 pm)        Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Rockaway River
Boonton Below R 5.0   5.0  Wed 10 p   5.3  4.4        5.5 8am 4/04


&&

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


$$

SFJ

139 
WGUS81 KPHI 041113
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
713 AM EDT Thu Apr 4 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.

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

The next statement will be issued this evening at 845 PM EDT.

&&

NJC027-050045-
/O.CON.KPHI.FL.W.0082.000000T0000Z-240405T1601Z/
/BONN4.1.ER.240404T0211Z.240404T1000Z.240405T0600Z.NO/
713 AM EDT Thu Apr 4 2024

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

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

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

* WHEN...Until early tomorrow afternoon.

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

* ADDITIONAL DETAILS...
  - At 6:00 AM EDT Thursday the stage was 5.7 feet and rising.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 6:00 AM EDT Thursday was 5.7 feet.
  - Forecast...The river is expected to fall below flood stage
    just after midnight tonight and continue falling to 3.9 feet
    early Sunday morning.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    5.7 feet on 12/25/2003.
  - http://www.weather.gov/safety/flood

&&

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

Rockaway River
Boonton Below R 5.0   5.7  Thu 6 am   4.8  4.1         MSG  unknown


&&

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


$$

MJL

938 
WGUS81 KPHI 041641
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1241 PM EDT Thu Apr 4 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.

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

The next statement will be issued late tonight at 1245 AM EDT.

&&

NJC027-050445-
/O.CON.KPHI.FL.W.0082.000000T0000Z-240405T1601Z/
/BONN4.1.ER.240404T0211Z.240404T1800Z.240405T1500Z.NO/
1241 PM EDT Thu Apr 4 2024

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

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

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

* WHEN...Until early tomorrow afternoon.

* 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 Thursday the stage was 5.9 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 12:00 PM EDT Thursday was 5.9 feet.
  - Forecast...The river is expected to rise to a crest of 5.9
    feet this afternoon. It will then fall below flood stage late
    tomorrow morning.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    5.9 feet on 06/27/2023.
  - http://www.weather.gov/safety/flood

&&

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

Rockaway River
Boonton Below R 5.0   5.9  Thu 12 p   4.9  4.3        5.9 2pm 4/04


&&

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


$$

Kruzdlo

322 
WGUS81 KPHI 041937
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
337 PM EDT Thu Apr 4 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.

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

The next statement will be issued late tonight at 345 AM EDT.

&&

NJC027-050745-
/O.CON.KPHI.FL.W.0082.000000T0000Z-240405T1601Z/
/BONN4.1.ER.240404T0211Z.240404T1630Z.240405T1600Z.NO/
337 PM EDT Thu Apr 4 2024

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

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

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

* WHEN...Until early tomorrow afternoon.

* 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 PM EDT Thursday the stage was 5.9 feet and falling.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 3:00 PM EDT Thursday was 5.9 feet.
  - Forecast...The river is expected to fall below flood stage
    early tomorrow afternoon and continue falling to 4.0 feet
    early Sunday afternoon.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    5.9 feet on 06/27/2023.
  - http://www.weather.gov/safety/flood

&&

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

Rockaway River
Boonton Below R 5.0   5.9  Thu 3 pm   4.9  4.3    Crested & Falling


&&

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


$$

Hoeflich

846 
WGUS81 KPHI 050655
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
255 AM EDT Fri Apr 5 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.

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

The next statement will be issued this afternoon at noon EDT.

&&

NJC027-051600-
/O.CON.KPHI.FL.W.0082.000000T0000Z-240405T1601Z/
/BONN4.1.ER.240404T0211Z.240404T1630Z.240405T1600Z.NO/
255 AM EDT Fri Apr 5 2024

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

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

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

* WHEN...Until this afternoon.

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

* ADDITIONAL DETAILS...
  - At 2:00 AM EDT Friday the stage was 5.5 feet and falling.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 2:00 AM EDT Friday was 5.9 feet.
  - Forecast...The river is expected to fall below flood stage
    this afternoon and continue falling to 4.0 feet Sunday
    evening.
  - 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    Sat  Sun        Stg Time Date

Rockaway River
Boonton Below R 5.0   5.5  Fri 2 am   4.5  4.1     Crested & Falling


&&

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


$$

MJL

368 
WGUS81 KPHI 051117
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
717 AM EDT Fri Apr 5 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.

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

The next statement will be issued this afternoon at 1215 PM EDT.

&&

NJC027-051615-
/O.CON.KPHI.FL.W.0082.000000T0000Z-240405T1601Z/
/BONN4.1.ER.240404T0211Z.240404T1630Z.240405T1600Z.NO/
717 AM EDT Fri Apr 5 2024

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

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

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

* WHEN...Until this afternoon.

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

* ADDITIONAL DETAILS...
  - At 7:00 AM EDT Friday the stage was 5.3 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 7:00 AM EDT Friday was 5.9 feet.
  - Forecast...The river is expected to fall below flood stage
    this afternoon and continue falling to 3.9 feet early Monday
    morning.
  - 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 am)        Crest
Location        Stg   Stg Day/Time    Sat  Sun        Stg Time Date

Rockaway River
Boonton Below R 5.0   5.3  Fri 7 am   4.4  4.1     Crested & falling
&&

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


$$

Kruzdlo

598 
WGUS81 KPHI 051506
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1106 AM EDT Fri Apr 5 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...

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 315 PM EDT.

&&

NJC027-051915-
/O.EXT.KPHI.FL.W.0082.000000T0000Z-240405T1901Z/
/BONN4.1.ER.240404T0211Z.240404T1630Z.240405T1800Z.NO/
1106 AM EDT Fri Apr 5 2024

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

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

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

* WHEN...Until late this afternoon.

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

* ADDITIONAL DETAILS...
  - At 10:00 AM EDT Friday the stage was 5.2 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 10:00 AM EDT Friday was 5.9 feet.
  - Forecast...The river is expected to fall below flood stage
    this afternoon and continue falling to 3.9 feet Monday
    morning.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    5.3 feet on 03/22/2003.
  - http://www.weather.gov/safety/flood

&&

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

Rockaway River
Boonton Below R 5.0   5.2  Fri 10 a   4.3  4.1      Crested & falling
&&

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


$$

Kruzdlo

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 7:35 AM EDT	Areal Flood Warning	PHI	Hunterdon	3 hr
Apr 3, 11:14 AM EDT	River Flood Warning	PHI	Somerset	48 hr
Apr 3, 11:15 AM EDT	River Flood Warning	PHI	Burlington	69 hr
Apr 3, 2:00 PM EDT	Areal Flood Warning	PHI	Hunterdon, Somerset	10 hr
Apr 3, 2:52 PM EDT	Marine Dense Fog Advisory	PHI		5 hr
Apr 3, 4:27 PM EDT	Areal Flood Warning	PHI	Somerset	19 hr
Apr 3, 5:08 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Middlesex, Monmouth, Ocean	43 min
Apr 3, 5:41 PM EDT	Special Marine Warning	PHI		64 min
Apr 3, 5:46 PM EDT	River Flood Warning	PHI	Essex, Morris, Passaic	5 days
Apr 3, 5:52 PM EDT	River Flood Warning	PHI	Somerset	8 hr
Apr 3, 5:53 PM EDT	River Flood Warning	PHI	Middlesex, Somerset	23 hr
Apr 3, 5:57 PM EDT	Areal Flood Warning	PHI	Morris, Somerset	5 hr
Apr 3, 6:30 PM EDT	Special Weather Statement	PHI	Atlantic	30 min
Apr 3, 7:01 PM EDT	Special Weather Statement	PHI	Atlantic	29 min
Apr 3, 7:14 PM EDT	Coastal Flood Advisory	PHI	Atlantic, Cape May	10 hr
Apr 3, 7:24 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	51 min
Apr 3, 7:28 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.