Alert archive / New Jersey / River Flood Warnings in 2018

River Flood Warning 9, NWS Philadelphia/Mount Holly

April 16, 2018Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Apr 16, 2018, 4:46 PM EDT for Somerset County, New Jersey. It took effect at Apr 16, 2018, 6:00 PM EDT. It was in force for 27 hr.

The area

The outline as issued.

The facts

Issued: Apr 16, 2018, 4:46 PM EDT (20:46 UTC)
In effect from: Apr 16, 2018, 6:00 PM EDT
Expired: Apr 17, 2018, 9:08 PM EDT
In force: 27 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Minor

County Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 20:49 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 Millstone River at Blackwells Mills (BKWN4). The gauge peaked at 10.63 ft at Apr 17, 2018, 5:00 AM EDT.

Action stage: 7 ft
Minor stage: 9 ft
Moderate stage: 10 ft
Major stage: 15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01402000, 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.

904 
WGUS41 KPHI 162046
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
446 PM EDT Mon Apr 16 2018

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

  Millstone River At Blackwells Mills affecting Somerset County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC035-170245-
/O.NEW.KPHI.FL.W.0009.180416T2200Z-180418T0320Z/
/BKWN4.1.ER.180416T2200Z.180417T1200Z.180417T2120Z.NO/
446 PM EDT Mon Apr 16 2018

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Millstone River at Blackwells Mills.
* until Tuesday evening...Or until the warning is cancelled.
* At  4:15 PM Monday the stage was 8.1 feet.
* Flood stage is 9.0 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by this evening and continue to rise 
  to near 9.9 feet by Tuesday morning. The river will fall below flood 
  stage by Tuesday afternoon.

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0    8.12  Mon 4 PM     9.9    Tue 8 AM 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

MPS

8 follow-up statements

367 
WGUS41 KPHI 162339
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
739 PM EDT Mon Apr 16 2018

...Forecast flooding changed from Minor to Moderate severity for the 
following rivers in New Jersey...
  Millstone River At Blackwells Mills affecting Somerset County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC035-170538-
/O.EXT.KPHI.FL.W.0009.000000T0000Z-180418T0120Z/
/BKWN4.2.ER.180416T2155Z.180417T0600Z.180417T1920Z.NO/
739 PM EDT Mon Apr 16 2018

...Forecast flooding increased from Minor to Moderate severity...
The Flood Warning continues for 
 The Millstone River At Blackwells Mills.
* until Tuesday evening...Or until the warning is cancelled.
* At  7:15 PM Monday the stage was 9.5 feet.
* Flood stage is 9.0 feet.
* Minor flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue rising to near 10.2 feet by after midnight 
  tonight. The river will fall below flood stage tomorrow afternoon.


 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0    9.51  Mon 7 PM    10.2    Tue 2 AM 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

MPS

444 
WGUS41 KPHI 170139
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
939 PM EDT Mon Apr 16 2018

  Millstone River At Blackwells Mills affecting Somerset County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC035-170739-
/O.EXT.KPHI.FL.W.0009.000000T0000Z-180418T0100Z/
/BKWN4.2.ER.180416T2155Z.180417T0600Z.180417T1900Z.NO/
939 PM EDT Mon Apr 16 2018

The Flood Warning continues for 
 The Millstone River At Blackwells Mills.
* until Tuesday evening...Or until the warning is cancelled.
* At  9:15 PM Monday the stage was 10.0 feet.
* Flood stage is 9.0 feet.
* Minor flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue rising to near 10.3 feet by after 
  midnight tonight. The river will fall below flood stage Tuesday 
  afternoon.

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0    9.98  Mon 9 PM    10.3    Tue 2 AM 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

MPS

467 
WGUS81 KPHI 170408
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
1208 AM EDT Tue Apr 17 2018

...The Flood Warning continues for the Millstone River...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC035-171408-
/O.EXT.KPHI.FL.W.0009.000000T0000Z-180418T0200Z/
/BKWN4.2.ER.180416T2155Z.180417T0600Z.180417T2000Z.NO/
1208 AM EDT Tue Apr 17 2018

The Flood Warning continues for
  The Millstone River at Blackwells Mills.
* At 11:15 PM Monday the river level was 10.25 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring.
* Forecast...The river level will continue rising to near 10.4
  feet overnight. The river level will then fall and it should
  return back below flood stage on Tuesday afternoon.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0   10.25  Mon 1115 PM  10.4    Tue 2 AM 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

Iovino

712 
WGUS81 KPHI 170816
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
416 AM EDT Tue Apr 17 2018

...The Flood Warning continues for the Millstone River...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC035-171816-
/O.EXT.KPHI.FL.W.0009.000000T0000Z-180418T0636Z/
/BKWN4.2.ER.180416T2155Z.180417T0715Z.180418T0036Z.NO/
416 AM EDT Tue Apr 17 2018

The Flood Warning continues for
  The Millstone River at Blackwells Mills.
* At 3:15 AM, the river level was 10.58 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring and is forecast to continue.
* Forecast...The river level was near crest. It should begin
  to fall early this morning and it is expected to return back
  below flood stage this evening.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0   10.58  Tue 315 AM   10.6    Tue 5 AM 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

Iovino

476 
WGUS81 KPHI 171441
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1041 AM EDT Tue Apr 17 2018

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

  Millstone River At Blackwells Mills affecting Somerset
  County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC035-180041-
/O.EXT.KPHI.FL.W.0009.000000T0000Z-180418T0500Z/
/BKWN4.2.ER.180416T2155Z.180417T0900Z.180417T2300Z.NO/
1041 AM EDT Tue Apr 17 2018

The Flood Warning continues for
  The Millstone River at Blackwells Mills.
* At 10:15 AM Tuesday the stage was 10.3 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to fall to below flood stage
  this evening.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG    DAY TIME    CREST

Millstone River
  Blackwells Mills       9.0    10.27  Tue 10 AM   Crested and falling 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

Kruzdlo

988 
WGUS81 KPHI 171849
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
249 PM EDT Tue Apr 17 2018

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

  Millstone River At Blackwells Mills affecting Somerset County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC035-180449-
/O.EXT.KPHI.FL.W.0009.000000T0000Z-180418T0700Z/
/BKWN4.2.ER.180416T2155Z.180417T0900Z.180418T0100Z.NO/
249 PM EDT Tue Apr 17 2018

The Flood Warning continues for
  The Millstone River at Blackwells Mills.
* At 2:15 PM Tuesday the stage was 9.8 feet.
* Flood stage is 9.0 feet.
* Forecast...The river will fall below flood stage this evening.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG   DAY TIME     CREST

Millstone River
  Blackwells Mills       9.0    9.77  Tue 2 PM     Crested and falling 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

Kruzdlo

617 
WGUS81 KPHI 180008
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
808 PM EDT Tue Apr 17 2018

...The Flood Warning continues for the following rivers in New Jersey...
  Millstone River At Blackwells Mills affecting Somerset County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC035-180700-
/O.CON.KPHI.FL.W.0009.000000T0000Z-180418T0700Z/
/BKWN4.2.ER.180416T2155Z.180417T0900Z.180418T0100Z.NO/
808 PM EDT Tue Apr 17 2018

The Flood Warning continues for
  The Millstone River at Blackwells Mills.
* At  7:15 PM Tuesday the stage was 9.1 feet.
* Flood stage is 9.0 feet.
* Forecast...The river will continue to fall to below flood stage 
  tonight.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0    9.06  Tue 7 PM     Crested and falling
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

MPS

659 
WGUS81 KPHI 180108
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
908 PM EDT Tue Apr 17 2018

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

  Millstone River At Blackwells Mills affecting Somerset County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

NJC035-180138-
/O.CAN.KPHI.FL.W.0009.000000T0000Z-180418T0700Z/
/BKWN4.2.ER.180416T2155Z.180417T0900Z.180417T2340Z.NO/
908 PM EDT Tue Apr 17 2018

The Flood Warning is cancelled for
  The Millstone River at Blackwells Mills.
* At  8:15 PM Tuesday the stage was 8.9 feet.
* Flood stage is 9.0 feet.
* Fell below flood stage at  7:40 PM Tuesday.
* Forecast...The river will continue to fall to 4.0 feet by Thursday 
  morning.


 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0    8.91  Tue 8 PM     Crested and falling
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

MPS

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 16, 12:32 AM EDT	Winter Weather Advisory	PHI	Sussex	8 hr
Apr 16, 5:20 AM EDT	Special Marine Warning	PHI		55 min
Apr 16, 5:34 AM EDT	Areal Flood Advisory	PHI	Gloucester, Salem	4 hr
Apr 16, 5:52 AM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester, Mercer	7 hr
Apr 16, 6:07 AM EDT	Special Marine Warning	PHI		53 min
Apr 16, 6:30 AM EDT	Areal Flood Advisory	PHI	Hunterdon	4 hr
Apr 16, 6:45 AM EDT	Special Weather Statement	PHI	Cape May, Cumberland	45 min
Apr 16, 6:49 AM EDT	Special Marine Warning	PHI		86 min
Apr 16, 7:04 AM EDT	Flash Flood Warning	PHI	Gloucester, Salem	4 hr
Apr 16, 7:26 AM EDT	Special Weather Statement	PHI	Camden, Gloucester, Mercer	34 min
Apr 16, 7:49 AM EDT	Special Marine Warning	PHI		116 min
Apr 16, 8:13 AM EDT	Special Marine Warning	PHI		62 min
Apr 16, 8:28 AM EDT	Special Weather Statement	PHI	Middlesex, Monmouth, Morris, Somerset, Sussex, Warren	47 min
Apr 16, 9:08 AM EDT	Areal Flood Advisory	PHI	Hunterdon, Mercer, Middlesex, Monmouth, Morris, Ocean and 1 more	4 hr
Apr 16, 9:26 AM EDT	Areal Flood Warning	PHI	Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Morris and 3 more	4 hr
Apr 16, 1:18 PM EDT	Coastal Flood Advisory	PHI	Middlesex, Monmouth, Ocean	13 hr
Apr 16, 1:31 PM EDT	Areal Flood Warning	PHI	Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Morris and 2 more	4 hr
Apr 16, 2:45 PM EDT	Coastal Flood Warning	PHI	Burlington, Camden, Gloucester, Mercer	3 hr
Apr 16, 3:52 PM EDT	Small Craft Advisory	PHI		44 hr
Apr 16, 5:27 PM EDT	Areal Flood Warning	PHI	Somerset	8 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.