Alert archive / New Jersey / River Flood Warnings in 2021

River Flood Warning 79, NWS Philadelphia/Mount Holly

October 26, 2021Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Oct 26, 2021, 4:24 PM EDT for Morris County, New Jersey. It took effect at Oct 26, 2021, 9:53 PM EDT. It was in force for 26 hr.

The area

The outline as issued.

The facts

Issued: Oct 26, 2021, 4:24 PM EDT (20:24 UTC)
In effect from: Oct 26, 2021, 9:53 PM EDT
Expired: Oct 27, 2021, 11:23 PM 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 20:26 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 5.61 ft at Oct 27, 2021, 5:00 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.

573 
WGUS41 KPHI 262024
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
424 PM EDT Tue Oct 26 2021

...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 the Reservoir affecting Morris 
  County.

For the Rockaway River at Boonton Below the Reservoir...minor 
flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.


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


NJC027-270830-
/O.NEW.KPHI.FL.W.0079.211027T0400Z-211027T2200Z/
/BONN4.1.ER.211027T0400Z.211027T0600Z.211027T1600Z.NO/
424 PM EDT Tue Oct 26 2021

The National Weather Service in Mount Holly has issued a

* Flood Warning for
  the Rockaway River At Boonton Below Resvr.
* From late tonight to tomorrow evening.
* At 4:00 PM EDT Tuesday the river level was 4.0 feet.
* Flood stage is 5.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage just 
  after midnight to a crest of 5.2 feet. It will then fall below 
  flood stage early Wednesday afternoon.
* Impact...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.
* Flood History...This crest compares to a previous crest of 5.3 
  feet on 03/22/2003.

&&


Stream          Fld   Observed        Fcsts (2 pm)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Rockaway River
Boonton Below R 5.0   4.0  Tue 4 pm   4.9  3.8        5.2 2am 10/27





&&

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

$$

Iovino

5 follow-up statements

240 
WGUS81 KPHI 270153
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
953 PM EDT Tue Oct 26 2021

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

  Rockaway River At Boonton Below the Reservoir affecting Morris 
  County.

For the Rockaway River at Boonton Below the Reservoir...minor 
flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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


NJC027-271400-
/O.EXT.KPHI.FL.W.0079.211027T0153Z-211028T0600Z/
/BONN4.1.ER.211027T0122Z.211027T0600Z.211028T0000Z.NO/
953 PM EDT Tue Oct 26 2021

...The Flood Warning is now in effect until early Thursday morning...

The Flood Warning continues for
  the Rockaway River At Boonton Below Resvr.
* From this evening to early Thursday morning.
* At 9:00 PM EDT Tuesday the river level was 5.0 feet.
* Flood stage is 5.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 5.5 feet 
  just after midnight. It will then fall below flood stage Wednesday 
  evening.
* Impact...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The road heading into Parsippany is subject to closures.
* Flood History...This crest compares to a previous crest of 5.5 
  feet on 03/30/1994.

&&


Stream          Fld   Observed        Fcsts (8 pm)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Rockaway River
Boonton Below R 5.0   5.0  Tue 9 pm   5.0  3.9        5.5 2am 10/27





&&

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

$$

Iovino

738 
WGUS81 KPHI 270814
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
414 AM EDT Wed Oct 27 2021

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

  Rockaway River At Boonton Below Reservoir affecting Morris County.

For the Rockaway River...including Boonton Above Reservoir, Boonton 
Below Reservoir...Minor flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

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


NJC027-272015-
/O.EXT.KPHI.FL.W.0079.000000T0000Z-211028T0700Z/
/BONN4.1.ER.211027T0122Z.211027T1200Z.211028T0100Z.NO/
414 AM EDT Wed Oct 27 2021

...The Flood Warning is now in effect until late tonight...

The Flood Warning continues for
  the Rockaway River At Boonton Below Resvr.
* Until late tonight.
* At 3:00 AM EDT Wednesday the stage was 5.6 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 3:00 AM EDT Wednesday was 5.6 feet.
* Forecast...The river is expected to rise to a crest of 5.6 feet 
  this morning. It will then fall below flood stage late this 
  evening.
* Impact...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.
* Flood History...This crest compares to a previous crest of 5.7 
  feet on 04/17/1986.

&&


Stream          Fld   Observed        Fcsts (2 am)        Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Rockaway River
Boonton Below R 5.0   5.6  Wed 3 am   4.7  3.8        5.6 8am 10/27





&&

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

$$

SFJ

464 
WGUS81 KPHI 271415
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1015 AM EDT Wed Oct 27 2021

...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 Above Resvr, 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.


NJC027-280215-
/O.EXT.KPHI.FL.W.0079.000000T0000Z-211028T0800Z/
/BONN4.1.ER.211027T0122Z.211027T1030Z.211028T0200Z.NO/
1015 AM EDT Wed Oct 27 2021

...The Flood Warning is now in effect until late tonight...

The Flood Warning continues for
  the Rockaway River At Boonton Below Resvr.
* Until late tonight.
* At 9:00 AM EDT Wednesday the stage was 5.6 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 9:00 AM EDT Wednesday was 5.6 feet.
* Forecast...The river is expected to fall below flood stage late 
  this evening and continue falling to 4.0 feet Saturday morning.
* Impact...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.
* Flood History...This crest compares to a previous crest of 5.5 
  feet on 03/30/1994.

&&


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

Rockaway River
Boonton Below R 5.0   5.6  Wed 9 am   4.4  3.7           Crested   





&&

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

$$

Meola

931 
WGUS81 KPHI 280144
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
944 PM EDT Wed Oct 27 2021

...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.


NJC027-280830-
/O.EXT.KPHI.FL.W.0079.000000T0000Z-211028T0817Z/
/BONN4.1.ER.211027T0122Z.211027T1030Z.211028T0217Z.NO/
944 PM EDT Wed Oct 27 2021

...The Flood Warning is now in effect until late tonight...

The Flood Warning continues for
  the Rockaway River At Boonton Below Resvr.
* Until late tonight.
* At 9:00 PM EDT Wednesday the stage was 5.1 feet.
* Flood stage is 5.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 9:00 PM EDT Wednesday was 5.6 feet.
* Forecast...The river is expected to fall below flood stage late 
  this evening and continue falling to 4.6 feet Saturday evening.
* Impact...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.
* Flood History...This crest compares to a previous crest of 5.0 
  feet on 12/01/2020.

&&


Stream          Fld   Observed        Fcsts (8 pm)        Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Rockaway River
Boonton Below R 5.0   5.1  Wed 9 pm   3.9  3.7         MSG  unknown





&&

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

$$

Fitzsimmons

050 
WGUS81 KPHI 280323
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1123 PM EDT Wed Oct 27 2021

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

  Rockaway River At Boonton Below Resvr affecting Morris County.

NJC027-280430-
/O.CAN.KPHI.FL.W.0079.000000T0000Z-211028T0323Z/
/BONN4.1.ER.211027T0122Z.211027T1030Z.211028T0217Z.NO/
1123 PM EDT Wed Oct 27 2021

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

The Flood Warning is cancelled for
  the Rockaway River At Boonton Below Resvr.
* At 11:00 PM EDT Wednesday the stage was 4.98 feet.
* Flood stage is 5.0 feet.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 11:00 PM EDT Wednesday was 5.6 feet.
* Forecast...The river is expected to continue falling overnight. 
  The level will reach 4.6 feet by Saturday evening.

&&


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

Rockaway River
Boonton Below R 5.0   4.98  Wed 11 pm  3.8  3.7      crested    





&&

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

$$

PO

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 25, 8:26 PM EDT	Special Weather Statement	PHI	Mercer	34 min
Oct 25, 8:33 PM EDT	Special Weather Statement	PHI	Warren	42 min
Oct 25, 9:09 PM EDT	Special Weather Statement	PHI	Middlesex, Morris, Somerset	51 min
Oct 26, 1:22 AM EDT	Areal Flood Warning	PHI	Atlantic, Burlington, Cape May, Cumberland, Ocean	5 hr
Oct 26, 2:08 AM EDT	Flash Flood Warning	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean	4 hr
Oct 26, 3:08 AM EDT	Flash Flood Warning	PHI	Middlesex, Monmouth, Ocean	8 hr
Oct 26, 4:14 AM EDT	Flash Flood Warning	PHI	Hunterdon, Middlesex, Morris, Somerset	4 hr
Oct 26, 5:22 AM EDT	Areal Flood Advisory	PHI	Morris, Sussex, Warren	2 hr
Oct 26, 6:09 AM EDT	Areal Flood Warning	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean	3 hr
Oct 26, 6:18 AM EDT	Areal Flood Warning	PHI	Hunterdon, Mercer, Middlesex, Somerset	13 hr
Oct 26, 7:15 AM EDT	Areal Flood Warning	PHI	Monmouth, Ocean	5 hr
Oct 26, 7:32 AM EDT	River Flood Warning	PHI	Somerset	28 hr
Oct 26, 7:38 AM EDT	Areal Flood Warning	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	37 hr
Oct 26, 8:07 AM EDT	Areal Flood Warning	PHI	Hunterdon, Middlesex, Morris, Somerset	12 hr
Oct 26, 8:18 AM EDT	River Flood Warning	PHI	Morris, Somerset	8 hr
Oct 26, 10:12 AM EDT	River Flood Warning	PHI	Somerset	11 hr
Oct 26, 10:12 AM EDT	River Flood Warning	PHI	Middlesex, Somerset	24 hr
Oct 26, 10:12 AM EDT	River Flood Warning	PHI	Middlesex, Somerset	33 hr
Oct 26, 10:50 AM EDT	Areal Flood Warning	PHI	Middlesex, Monmouth, Ocean	9 hr
Oct 26, 4:28 PM EDT	River Flood Warning	PHI	Morris, Passaic	29 hr
Oct 26, 4:39 PM EDT	River Flood Warning	PHI	Essex, Morris, Passaic	54 hr
Oct 26, 4:39 PM EDT	River Flood Warning	PHI	Essex, Passaic	42 hr

Nearby

River Flood Warnings in New Jersey, 2021 Every river flood warning in 2021

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.