Alert archive / New Jersey / River Flood Warnings in 2018

River Flood Warning 100, NWS Philadelphia/Mount Holly

December 21, 2018Passaic County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Dec 21, 2018, 4:38 PM EST for Passaic County, New Jersey. It took effect at Dec 21, 2018, 6:00 PM EST. It was in force for 19 hr.

The area

The outline as issued.

The facts

Issued: Dec 21, 2018, 4:38 PM EST (21:38 UTC)
In effect from: Dec 21, 2018, 6:00 PM EST
Expired: Dec 22, 2018, 12:48 PM EST
In force: 19 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Minor

County Passaic County, NJ

The radar

The Brookhaven radar (KOKX), 121 km from the middle of the area, began a volume at 21:41 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 Wanaque River at Wanaque (WNQN4). The gauge peaked at 6.12 ft at Dec 22, 2018, 12:00 AM EST.

Action stage: 5 ft
Minor stage: 6 ft
Moderate stage: 8 ft
Major stage: 9 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01387000, 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.

344 
WGUS41 KPHI 212138
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
438 PM EST Fri Dec 21 2018

...The National Weather Service in Mount Holly NJ has issued a 
   flood warning for the following rivers in New Jersey...

  Wanaque River At Wanaque Dam affecting Passaic County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...Do not attempt to drive through flooded areas. 
The water may be deeper than you think.

&&

NJC031-220337-
/O.NEW.KPHI.FL.W.0100.181221T2300Z-181222T1851Z/
/WNQN4.1.ER.181221T2300Z.181222T0600Z.181222T1251Z.NO/
438 PM EST Fri Dec 21 2018

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Wanaque River at Wanaque Dam.
* Until Saturday afternoon...Or until the warning is cancelled.
* At 4:15 PM Friday the stage was 5.9 feet.
* Flood stage is 6.0 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage this evening and continue to 
  rise to near 6.3 feet tonight. The river will fall below flood
  stage by tomorrow morning.
* Impact...At 6.0 feet...John E. Murrin Park begins to flood. 
  Hershfield Park floods. The athletic fields begin to take on water.
  Parking lots and Hershfield Park Place floods. Carlough Field 
  floods.
* Flood history...This crest compares to a previous crest of 6.1 
  feet on Mar 31 2010.  
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG   DAY TIME     CREST

Wanaque River
  Wanaque Dam            6.0    5.90  Fri 4 PM     6.3    Sat 1 AM 
 
&&
 
LAT...LON 4107 7430 4106 7423 4098 7426 4099 7432
                                      

$$

Kruzdlo

3 follow-up statements

334 
WGUS81 KPHI 220211
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
911 PM EST Fri Dec 21 2018

...The Flood Warning continues for the Wanaque River at
Wanaque Dam...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...Do not attempt to drive through flooded areas.
The water may be deeper than you think it is.

&&

NJC031-221210-
/O.EXT.KPHI.FL.W.0100.000000T0000Z-181222T1800Z/
/WNQN4.1.ER.181222T0125Z.181222T0600Z.181222T1200Z.NO/
911 PM EST Fri Dec 21 2018

The Flood Warning continues for
  The Wanaque River at Wanaque Dam.
* At 8:45 PM, the river level was 5.95 feet.
* Flood stage is 6.0 feet.
* Minor flooding is forecast.
* Forecast...The river is forecast to rise above flood stage
  tonight, reaching 6.2 feet after midnight. The river should
  fall back below flood early on Saturday morning.
* Impact...At 6.0 feet...John E. Murrin Park begins to flood.
  Hershfield Park floods. The athletic fields begin to take on
  water. Parking lots and Hershfield Park Place floods. Carlough
  Field floods.
* Flood history...This crest compares to a previous crest of 6.1
  feet on March 31, 2010.  
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Wanaque River
  Wanaque Dam            6.0   5.95  Fri 845 PM    6.2  Sat 1 AM 
 
&&
 
LAT...LON 4107 7430 4106 7423 4098 7426 4099 7432
                                      
$$

Iovino

803 
WGUS81 KPHI 221002
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
502 AM EST Sat Dec 22 2018

...The Flood Warning continues for the following rivers in New Jersey...
  Wanaque River At Wanaque Dam affecting Passaic County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...Do not attempt to drive through flooded areas. The water may be
deeper than you think.

&&

NJC031-221800-
/O.CON.KPHI.FL.W.0100.000000T0000Z-181222T1800Z/
/WNQN4.1.ER.181222T0125Z.181222T0715Z.181222T1200Z.NO/
502 AM EST Sat Dec 22 2018

The Flood Warning continues for
  The Wanaque River at Wanaque Dam.
* 4:45 AM Saturday the stage was 6.1 feet.
* Flood stage is 6.0 feet.
* Forecast...The river will continue to fall to below flood stage by this 
  morning.
* Impact...At 6.0 feet...John E. Murrin Park begins to flood. Hershfield Park 
  floods. The athletic fields begin to take on water. Parking lots and 
  Hershfield Park Place floods. Carlough Field floods.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Wanaque River
  Wanaque Dam            6.0    6.04  Sat 5 AM     Crested and falling
 
&&
 
LAT...LON 4107 7430 4106 7423 4098 7426 4099 7432
                                      

$$

704 
WGUS81 KPHI 221748
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1248 PM EST Sat Dec 22 2018

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

  Wanaque River At Wanaque Dam affecting Passaic County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...Do not attempt to drive through flooded areas. 
The water may be deeper than you think.

&&

NJC031-221818-
/O.CAN.KPHI.FL.W.0100.000000T0000Z-181222T1800Z/
/WNQN4.1.ER.181222T0125Z.181222T0715Z.181222T0918Z.NO/
1248 PM EST Sat Dec 22 2018

The Flood Warning is cancelled for
  The Wanaque River at Wanaque Dam.
* At 12:30 PM Saturday the stage was 5.7 feet.
* Flood stage is 6.0 feet.
* Fell below flood stage at 4:18 AM Saturday.
* Forecast...The river will continue to fall to 5.3 feet by Sunday 
  morning.

&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Wanaque River
  Wanaque Dam            6.0    5.67  Sat 12 PM    Falling
 
&&
 
LAT...LON 4107 7430 4106 7423 4098 7426 4099 7432
                                      

$$

MPS

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 21, 4:09 AM EST	Areal Flood Warning	PHI	Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more	16 hr
Dec 21, 4:27 AM EST	Areal Flood Warning	PHI	Sussex, Warren	8 hr
Dec 21, 4:36 AM EST	Areal Flood Warning	PHI	Atlantic, Burlington, Camden, Mercer, Middlesex, Monmouth and 1 more	7 hr
Dec 21, 4:50 AM EST	Areal Flood Warning	PHI	Atlantic, Camden, Cape May, Cumberland, Gloucester, Salem	4 hr
Dec 21, 5:47 AM EST	River Flood Warning	PHI	Burlington	9 hr
Dec 21, 5:50 AM EST	River Flood Warning	PHI	Morris, Somerset	37 hr
Dec 21, 5:50 AM EST	River Flood Warning	PHI	Morris, Somerset	49 hr
Dec 21, 5:50 AM EST	River Flood Warning	PHI	Essex, Morris, Passaic	5 days
Dec 21, 5:50 AM EST	River Flood Warning	PHI	Essex, Passaic	3 days
Dec 21, 5:52 AM EST	River Flood Warning	PHI	Morris, Passaic	32 hr
Dec 21, 5:55 AM EST	River Flood Warning	PHI	Somerset	16 hr
Dec 21, 5:55 AM EST	River Flood Warning	PHI	Somerset	20 hr
Dec 21, 5:55 AM EST	River Flood Warning	PHI	Middlesex, Somerset	20 hr
Dec 21, 5:55 AM EST	River Flood Warning	PHI	Middlesex, Somerset	15 hr
Dec 21, 6:00 AM EST	River Flood Warning	PHI	Morris	42 hr
Dec 21, 6:30 AM EST	River Flood Warning	PHI	Mercer	5 hr
Dec 21, 6:37 AM EST	Small Craft Advisory	PHI		21 hr
Dec 21, 8:26 AM EST	Areal Flood Warning	PHI	Atlantic, Camden, Cape May, Cumberland, Gloucester, Salem	4 hr
Dec 21, 10:38 AM EST	Special Marine Warning	PHI		37 min
Dec 21, 12:02 PM EST	Areal Flood Advisory	PHI	Monmouth, Ocean	4 hr
Dec 21, 12:49 PM EST	Marine Dense Fog Advisory	PHI		6 hr
Dec 21, 4:25 PM EST	Gale Warning	PHI		26 hr
Dec 21, 5:07 PM EST	Areal Flood Warning	PHI	Warren	4 hr

Nearby

River Flood Warnings in New Jersey, 2018 Every river flood warning in 2018

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.