Alert archive / New Jersey / River Flood Warnings in 2022

River Flood Warning 6, NWS Philadelphia/Mount Holly

April 7, 2022Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Apr 7, 2022, 11:02 PM EDT for Morris County, New Jersey. It took effect at Apr 8, 2022, 6:30 AM EDT. It was in force for 56 hr.

The area

The outline as issued.

The facts

Issued: Apr 7, 2022, 11:02 PM EDT (03:02 UTC)
In effect from: Apr 8, 2022, 6:30 AM EDT
Expired: Apr 10, 2022, 2:20 PM EDT
In force: 56 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 03:03 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 6.80 ft at Apr 8, 2022, 4:00 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.

852 
WGUS41 KPHI 080302
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1102 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...

  Rockaway River At Boonton Below Resvr affecting Morris 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 at 1115 AM EDT.

&&


NJC027-081515-
/O.NEW.KPHI.FL.W.0006.220408T1030Z-220409T1500Z/
/BONN4.1.ER.220408T1030Z.220408T1800Z.220409T0900Z.NO/
1102 PM EDT Thu Apr 7 2022

...FLOOD WARNING IN EFFECT FROM FRIDAY MORNING TO LATE SATURDAY 
MORNING...

* WHAT...Minor flooding is forecast.

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

* WHEN...From Friday morning to late Saturday 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 10:00 PM EDT Thursday the stage was 4.4 feet.
  - Forecast...The river is expected to rise above flood stage
    tomorrow morning to a crest of 5.4 feet early tomorrow
    afternoon. It will then fall below flood stage early Saturday
    morning.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    5.4 feet on 03/25/1969.
  - 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   4.4  Thu 10 p   5.1  4.4        5.4 2pm 4/08


&&

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


$$

Kruzdlo

7 follow-up statements

342 
WGUS41 KPHI 081431
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1031 AM EDT Fri Apr 8 2022

...Forecast flooding changed from Minor to Moderate severity and 
increased in duration for the following rivers in New Jersey...

  Rockaway River At Boonton Below Resvr affecting Morris 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 evening at 1030 PM EDT.

&&


NJC027-090245-
/O.EXT.KPHI.FL.W.0006.000000T0000Z-220410T2100Z/
/BONN4.2.ER.220408T0645Z.220408T1800Z.220410T1500Z.NO/
1031 AM EDT Fri Apr 8 2022

...FLOOD WARNING NOW IN EFFECT UNTIL SUNDAY AFTERNOON...

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

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

* WHEN...Until Sunday afternoon.

* IMPACTS...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.
  At 7.7 feet, Change Bridge Road in Montville, north of Woodmont 
  Road and south of Stiles Lane, floods. River Road in Montville 
  floods near Condurso's Garden Center. Both roads are closed.
  At 8.0 feet, Due to high water on the Rockaway River, water backs 
  up through storm drains and flood portions of Lancaster Avenue, 
  Normandy Drive, Buckingham Circle, Sheffield Place, Manchester 
  Drive and Konner Avenue in Montville. High water on the Rockaway 
  also backs up Hatfield Creek in Montville and causes additional 
  flooding on Lancaster Avenue.

* ADDITIONAL DETAILS...
  - At 10:00 AM EDT Friday the stage was 6.4 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 10:00 AM EDT Friday was 6.4 feet.
  - Forecast...The river is expected to rise to a crest of 7.0
    feet this afternoon. It will then fall below flood stage late
    Sunday morning.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    7.0 feet on 09/02/2021.
  - 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   6.4  Fri 10 a   6.1  5.1        7.0 2pm 4/08


&&

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


$$

Fitzsimmons

825 
WGUS81 KPHI 090216
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1016 PM EDT Fri Apr 8 2022

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

  Rockaway River At Boonton Below Resvr affecting Morris 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 Saturday morning at 1030 AM EDT.

&&


NJC027-091430-
/O.CON.KPHI.FL.W.0006.000000T0000Z-220410T2100Z/
/BONN4.1.ER.220408T0645Z.220408T2130Z.220410T0600Z.NO/
1016 PM EDT Fri Apr 8 2022

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

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

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

* WHEN...Until Sunday 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 Friday the stage was 6.6 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 10:00 PM EDT Friday was 6.8 feet.
  - Forecast...The river is expected to fall below flood stage
    early Sunday morning and continue falling to 4.4 feet Monday
    evening.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    6.6 feet on 05/17/1989.
  - http://www.weather.gov/safety/flood

&&

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

Rockaway River
Boonton Below R 5.0   6.6  Fri 10 p   5.3  4.7         MSG  unknown


&&

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


$$

Staarmann

763 
WGUS81 KPHI 091414
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1014 AM EDT Sat Apr 9 2022

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

  Rockaway River At Boonton Below Resvr affecting Morris 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 evening at 1015 PM EDT.

&&


NJC027-100215-
/O.CON.KPHI.FL.W.0006.000000T0000Z-220410T2100Z/
/BONN4.1.ER.220408T0645Z.220408T2130Z.220410T1200Z.NO/
1014 AM EDT Sat Apr 9 2022

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

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

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

* WHEN...Until 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 9:00 AM EDT Saturday the stage was 5.9 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 9:00 AM EDT Saturday was 6.8 feet.
  - Forecast...The river is expected to fall below flood stage
    tomorrow morning and continue falling to 4.3 feet Tuesday
    morning.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    6.0 feet on 06/22/2003.
  - http://www.weather.gov/safety/flood

&&

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

Rockaway River
Boonton Below R 5.0   5.9  Sat 9 am   5.0  4.6         MSG  crested


&&

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


$$

Fitzsimmons

945 
WGUS81 KPHI 100148
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
948 PM EDT Sat Apr 9 2022

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

  Rockaway River At Boonton Below Resvr affecting Morris 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 Sunday morning at 1000 AM EDT.

&&


NJC027-101400-
/O.CON.KPHI.FL.W.0006.000000T0000Z-220410T2100Z/
/BONN4.1.ER.220408T0645Z.220408T2130Z.220410T1500Z.NO/
948 PM EDT Sat Apr 9 2022

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

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

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

* WHEN...Until 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 9:00 PM EDT Saturday the stage was 5.4 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 9:00 PM EDT Saturday was 6.6 feet.
  - Forecast...The river is expected to fall below flood stage
    late tomorrow morning and continue falling to 4.2 feet early
    Tuesday afternoon.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    5.4 feet on 03/25/1969.
  - http://www.weather.gov/safety/flood

&&

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

Rockaway River
Boonton Below R 5.0   5.4  Sat 9 pm   4.8  4.4         MSG  unknown


&&

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


$$

Staarmann

345 
WGUS81 KPHI 100812
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
412 AM EDT Sun Apr 10 2022

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

  Rockaway River At Boonton Below Resvr affecting Morris 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 afternoon by 415 PM EDT.

&&


NJC027-102015-
/O.CON.KPHI.FL.W.0006.000000T0000Z-220410T2100Z/
/BONN4.1.ER.220408T0645Z.220408T2130Z.220410T1500Z.NO/
412 AM EDT Sun Apr 10 2022

...FLOOD WARNING REMAINS 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 3:00 AM EDT Sunday the stage was 5.3 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 3:00 AM EDT Sunday was 6.2 feet.
  - Forecast...The river is expected to fall below flood stage
    late this morning and continue falling to 4.2 feet Tuesday
    evening.
  - 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 am)        Crest
Location        Stg   Stg Day/Time    Mon  Tue        Stg Time Date

Rockaway River
Boonton Below R 5.0   5.3  Sun 3 am   4.6  4.3         MSG  unknown


&&

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


$$

Gorse

679 
WGUS81 KPHI 101504
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1104 AM EDT Sun Apr 10 2022

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

  Rockaway River At Boonton Below Resvr affecting Morris 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 afternoon at 545 PM EDT.

&&


NJC027-102145-
/O.EXT.KPHI.FL.W.0006.000000T0000Z-220410T2138Z/
/BONN4.N.ER.220408T0645Z.220408T2130Z.220410T1538Z.NO/
1104 AM EDT Sun Apr 10 2022

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

* WHAT...Minor flooding is occurring.

* 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 Sunday the stage was 5.1 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 10:00 AM EDT Sunday was 5.8 feet.
  - Forecast...The river is expected to fall below flood stage
    late this morning and continue falling to 4.1 feet Wednesday
    morning.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    5.0 feet on 12/01/2020.
  - http://www.weather.gov/safety/flood

&&

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

Rockaway River
Boonton Below R 5.0   5.1  Sun 10 a   4.5  4.3         MSG  unknown


&&

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


$$

JEO

095 
WGUS81 KPHI 101820
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
220 PM EDT Sun Apr 10 2022

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

  Rockaway River At Boonton Below Resvr affecting Morris County.

NJC027-101930-
/O.CAN.KPHI.FL.W.0006.000000T0000Z-220410T1820Z/
/BONN4.N.ER.220408T0645Z.220408T2130Z.220410T1630Z.NO/
220 PM EDT Sun Apr 10 2022

...FLOOD WARNING IS CANCELLED...

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

* ADDITIONAL DETAILS...
  - At 2:00 PM EDT Sunday the stage was 4.96 feet.
  - Forecast...The river is expected to fall to 4.1 feet
    Wednesday morning.
  - 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   4.96 Sun 2 pm   4.4  4.2        Already crested


&&

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 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, 11:08 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 7, 11:23 PM EDT	River Flood Warning	PHI	Hunterdon, Somerset	14 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.