Alert archive / New Jersey / River Flood Warnings in 2018

River Flood Warning 78, NWS Philadelphia/Mount Holly

November 26, 2018Morris County, Passaic County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Nov 26, 2018, 5:52 PM EST for Morris County, Passaic County, New Jersey. It took effect at Nov 27, 2018, 1:00 AM EST. It was in force for 14 hr.

The area

The outline as issued.

The facts

Issued: Nov 26, 2018, 5:52 PM EST (22:52 UTC)
In effect from: Nov 27, 2018, 1:00 AM EST
Expired: Nov 27, 2018, 2:51 PM EST
In force: 14 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Minor

Counties Morris County, NJ, Passaic County, NJ

The radar

The Philadelphia radar (KDIX), 117 km from the middle of the area, began a volume at 22:54 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 Pequannock River at Macopin (MCPN4). The gauge peaked at 5.40 ft at Nov 27, 2018, 4:00 AM EST.

Action stage: 5 ft
Minor stage: 5.5 ft
Moderate stage: 6.5 ft
Major stage: 7.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01382500, 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.

140 
WGUS41 KPHI 262252
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
552 PM EST Mon Nov 26 2018

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

  Pequannock River Below Macopin Dam affecting Morris and Passaic Counties

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC027-031-270452-
/O.NEW.KPHI.FL.W.0078.181127T0600Z-181128T0000Z/
/MCPN4.1.ER.181127T0600Z.181127T1200Z.181127T1800Z.NO/
552 PM EST Mon Nov 26 2018

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Pequannock River at Macopin Dam.
* from late tonight to Tuesday evening...Or until the warning is cancelled.
* At  5:45 PM Monday the stage was 5.2 feet.
* Flood stage is 5.5 feet.
* Minor flooding is forecast.
* Impact...At 5.5 feet...Road closures begin in both Butler and Bloomingdale due
  to flooding.
* Flood history...This crest compares to a previous crest of 5.6 feet on Mar 31 
  2010.  

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Pequannock River
  Macopin Dam            5.5    5.22  Mon 6 PM     5.6    Tue 7 AM 
 
&&
 
LAT...LON 4099 7441 4104 7438 4101 7430 4097 7433
                                      

$$

SFJ

4 follow-up statements

583 
WGUS81 KPHI 270446
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1146 PM EST Mon Nov 26 2018

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

  Pequannock River Below Macopin Dam affecting Morris and Passaic Counties

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC027-031-271446-
/O.EXT.KPHI.FL.W.0078.181127T1200Z-181127T1800Z/
/MCPN4.1.ER.181127T1200Z.181127T1200Z.181127T1200Z.NO/
1146 PM EST Mon Nov 26 2018

The Flood Warning continues for
  The Pequannock River at Macopin Dam.
* from Tuesday morning to Tuesday afternoon...or until the warning is cancelled.
* At 11:30 PM Monday the stage was 5.3 feet.
* Flood stage is 5.5 feet.
* Forecast...The river is expected to slowly rise to near flood stage Tuesday morning.
* Impact...At 5.5 feet...Road closures begin in both Butler and Bloomingdale due
  to flooding.
* Flood history...This crest compares to a previous crest of 5.5 feet on Mar 23 
  2010.  

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Pequannock River
  Macopin Dam            5.5    5.35  Mon 11 PM    5.5    Tue 7 AM 
 
&&
 
LAT...LON 4099 7441 4104 7438 4101 7430 4097 7433
                                      

$$

Gorse

427 
WGUS81 KPHI 271041
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
541 AM EST Tue Nov 27 2018

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

  Pequannock River Below Macopin Dam affecting Morris and Passaic Counties

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC027-031-272040-
/O.EXT.KPHI.FL.W.0078.181127T1800Z-181128T0000Z/
/MCPN4.1.ER.181127T1800Z.181127T1800Z.181127T1800Z.NO/
541 AM EST Tue Nov 27 2018

The Flood Warning continues for
  The Pequannock River at Macopin Dam.
* from this afternoon to this evening...or until the warning is cancelled.
* At 5:30 AM Tuesday the stage was 5.4 feet.
* Flood stage is 5.5 feet.
* Forecast...The river is expected to rise to flood stage early this afternoon.
* Impact...At 5.5 feet...Road closures begin in both Butler and Bloomingdale due
  to flooding.
* Flood history...This crest compares to a previous crest of 5.5 feet on Mar 23 
  2010.  

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Pequannock River
  Macopin Dam            5.5    5.40  Tue 5 AM     5.5    Tue 1 PM 
 
&&
 
LAT...LON 4099 7441 4104 7438 4101 7430 4097 7433
                                      

$$

Gorse

105 
WGUS81 KPHI 271601
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1101 AM EST Tue Nov 27 2018

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

  Pequannock River Below Macopin Dam affecting Morris and Passaic 
  Counties

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC027-031-280200-
/O.EXT.KPHI.FL.W.0078.181127T1800Z-181128T0600Z/
/MCPN4.1.ER.181127T1800Z.181127T1800Z.181128T0000Z.NO/
1101 AM EST Tue Nov 27 2018

The Flood Warning continues for
  The Pequannock River at Macopin Dam.
* until late tonight...or until the warning is cancelled.
* At 10:45 AM Tuesday the stage was 5.4 feet.
* Flood stage is 5.5 feet.
* Forecast...The river is expected to rise to near flood stage this
  afternoon.
* Impact...At 5.5 feet...Road closures begin in both Butler and 
  Bloomingdale due to flooding.
* Flood history...This crest compares to a previous crest of 5.5 feet
  on Mar 23 2010.  
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG   DAY TIME     CREST

Pequannock River
  Macopin Dam            5.5    5.39  Tue 11 AM    5.5    Tue 1 PM 
 
&&
 
LAT...LON 4099 7441 4104 7438 4101 7430 4097 7433
                                      

$$

Kruzdlo

004 
WGUS81 KPHI 271951
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
251 PM EST Tue Nov 27 2018

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

  Pequannock River Below Macopin Dam affecting Morris and Passaic
  Counties

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC027-031-272021-
/O.CAN.KPHI.FL.W.0078.000000T0000Z-181128T0600Z/
/MCPN4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
251 PM EST Tue Nov 27 2018

The Flood Warning is cancelled for
  The Pequannock River at Macopin Dam.
* At 2:30 PM Tuesday the stage was 5.4 feet.
* Flood stage is 5.5 feet.
* Forecast...The river crested below flood stage at 5.4 feet.
* Impact...At 5.5 feet...Road closures begin in both Butler and 
  Bloomingdale due to flooding.
* Flood history...This crest compares to a previous crest of 5.4
  feet on Mar 22 2003.  
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG   DAY TIME     CREST

Pequannock River
  Macopin Dam            5.5    5.36  Tue 2 PM     Crested and falling 
 
&&
 
LAT...LON 4099 7441 4104 7438 4101 7430 4097 7433
                                      

$$

Kruzdlo

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 25, 7:39 PM EST	Areal Flood Warning	PHI	Middlesex	20 hr
Nov 26, 3:06 AM EST	Gale Warning	PHI		39 hr
Nov 26, 2:06 PM EST	Coastal Flood Statement	PHI	Ocean	29 hr
Nov 26, 3:07 PM EST	Areal Flood Advisory	PHI	Hunterdon, Middlesex, Morris, Somerset, Sussex, Warren	3 hr
Nov 26, 3:31 PM EST	Areal Flood Warning	PHI	Middlesex	4 hr
Nov 26, 3:40 PM EST	Areal Flood Warning	PHI	Cumberland, Salem	44 hr
Nov 26, 4:24 PM EST	Flash Flood Warning	PHI	Morris, Somerset, Sussex	3 hr
Nov 26, 5:34 PM EST	Areal Flood Warning	PHI	Warren	40 hr
Nov 26, 5:51 PM EST	River Flood Warning	PHI	Morris	31 hr
Nov 26, 6:02 PM EST	Areal Flood Warning	PHI	Hunterdon, Somerset	2 hr
Nov 26, 6:29 PM EST	Areal Flood Warning	PHI	Atlantic, Burlington	21 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.