Alert archive / New Jersey / River Flood Warnings in 2018

River Flood Warning 19, NWS Philadelphia/Mount Holly

May 27, 2018Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at May 27, 2018, 3:10 PM EDT for Somerset County, New Jersey. It took effect at May 27, 2018, 8:00 PM EDT. It was in force for 41 hr.

The area

The outline as issued.

The facts

Issued: May 27, 2018, 3:10 PM EDT (19:10 UTC)
In effect from: May 27, 2018, 8:00 PM EDT
Expired: May 29, 2018, 12:53 PM EDT
In force: 41 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Moderate

County Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 19:12 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 12.50 ft at May 28, 2018, 6:00 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.

027 
WGUS41 KPHI 271910
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
310 PM EDT Sun May 27 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.

&&

NJC035-280109-
/O.NEW.KPHI.FL.W.0019.180528T0000Z-180529T0945Z/
/BKWN4.2.ER.180528T0000Z.180528T1200Z.180529T0345Z.NO/
310 PM EDT Sun May 27 2018

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The Millstone River at Blackwells Mills.
* From this evening into Monday...or until the warning is
  cancelled.
* At 2:15 PM Sunday the stage was 7.2 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is forecast.
* Forecast...Rise above flood stage by this evening and continue
  to rise to near 10.3 feet by tomorrow morning. The river will
  fall below flood stage tomorrow evening.
* Impact...At 10.0 feet...The D&R Canal is flooded by the Millstone
  River.
* Flood history...This crest compares to a previous crest of 10.5
  feet on Mar 22 1999.  

&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG   DAY TIME     CREST

Millstone River
  Blackwells Mills       9.0    7.20  Sun 2 PM    10.3    Mon 8 AM 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

Kruzdlo

7 follow-up statements

119 
WGUS81 KPHI 280027
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
827 PM EDT Sun May 27 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.

&&

NJC035-281027-
/O.CON.KPHI.FL.W.0019.000000T0000Z-180529T0945Z/
/BKWN4.2.ER.180527T2212Z.180528T1200Z.180529T0345Z.NO/
827 PM EDT Sun May 27 2018

The Flood Warning continues for
  The Millstone River at Blackwells Mills.
* At 7:15 PM Sunday 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 10.3 feet
  on Monday morning. The river will fall below flood stage late
  Monday evening.
* Impact...At 10.0 feet...The D&R Canal is flooded by the
  Millstone River.
* Flood history...This crest compares to a previous crest of
  10.5 feet on Mar 22 1999.  
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0    9.51  Sun 715 PM   10.3    Mon 8 AM 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

408 
WGUS81 KPHI 280203
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
1003 PM EDT Sun May 27 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.

&&

NJC035-281203-
/O.EXT.KPHI.FL.W.0019.000000T0000Z-180529T1300Z/
/BKWN4.2.ER.180527T2212Z.180528T1200Z.180529T0700Z.NO/
1003 PM EDT Sun May 27 2018

The Flood Warning continues for
  The Millstone River at Blackwells Mills.
* At 9:15 PM Sunday the stage was 10.39 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring and is forecast to continue.
* Forecast...The river will continue rising to near 12.1 feet
  on Monday morning. The river is forecast to fall below flood
  stage on Tuesday morning.
* Impact...At 13.0 feet...Washington Street and several
  businesses are flooded.
* Flood history...This crest compares to a previous crest of
  11.9 feet on Mar 31 2010.  
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0   10.39  Sun 915 PM  12.1    Mon 8 AM 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

424 
WGUS81 KPHI 280812
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
412 AM EDT Mon May 28 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.

&&

NJC035-281812-
/O.EXT.KPHI.FL.W.0019.000000T0000Z-180529T1305Z/
/BKWN4.2.ER.180527T2212Z.180528T1400Z.180529T0705Z.NO/
412 AM EDT Mon May 28 2018

The Flood Warning continues for
  The Millstone River at Blackwells Mills.
* At 3:15 AM Monday the stage was 12.3 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Forecast...The river will continue rising to near 12.4 feet by late this 
  morning. The river is forecast to fall below flood stage early Tuesday morning.
* Impact...At 13.0 feet...Washington Street and several businesses are flooded.
* Flood history...This crest compares to a previous crest of 12.6 feet on March 11, 
  1994.  

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0   12.27  Mon 3 AM    12.4    Mon 10 AM
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$
JRK

504 
WGUS81 KPHI 281719
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
119 PM EDT Mon May 28 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.

&&

NJC035-290318-
/O.EXT.KPHI.FL.W.0019.000000T0000Z-180529T1400Z/
/BKWN4.2.ER.180527T2212Z.180528T1100Z.180529T0800Z.NO/
119 PM EDT Mon May 28 2018

The Flood Warning continues for
  The Millstone River at Blackwells Mills.
* At 12:15 PM Monday the stage was 12.15 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring.
* Forecast...The river level will continue to fall and it should
  return below flood stage early on Tuesday.
* Impact...At 10.0 feet...the Delaware and Raraitan Canal is 
  flooded by the Millstone River.
  
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0   12.15  Mon 1215 PM  Crested 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

Iovino

286 
WGUS81 KPHI 290117
FLSPHI
Flood Statement
National Weather Service Mount Holly NJ
917 PM EDT Mon May 28 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.

&&

NJC035-291117-
/O.EXT.KPHI.FL.W.0019.000000T0000Z-180529T1600Z/
/BKWN4.2.ER.180527T2212Z.180528T1100Z.180529T1000Z.NO/
917 PM EDT Mon May 28 2018

The Flood Warning continues for
  The Millstone River at Blackwells Mills.
* At 8:15 PM Monday the stage was 11.07 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is occurring.
* Forecast...The river level will continue to fall and it 
  should return below flood stage early on Tuesday.
* Impact...At 10.0 feet...The Delaware and Raritan Canal is
  flooded by the Millstone River.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0   11.07  Mon 815 PM   Crested 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

Iovino

483 
WGUS81 KPHI 291003
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
603 AM EDT Tue May 29 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.

&&

NJC035-291707-
/O.EXT.KPHI.FL.W.0019.000000T0000Z-180529T1707Z/
/BKWN4.2.ER.180527T2212Z.180528T1100Z.180529T1107Z.NO/
603 AM EDT Tue May 29 2018

The Flood Warning continues for
  The Millstone River at Blackwells Mills.
* At  5:15 AM Tuesday the stage was 9.6 feet.
* Flood stage is 9.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to fall to below flood stage by this 
  morning.
* Impact...At 10.0 feet...The D&R Canal is flooded by the Millstone River.

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Millstone River
  Blackwells Mills       9.0    9.62  Tue 5 AM     Crested 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

769 
WGUS81 KPHI 291653
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1253 PM EDT Tue May 29 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.

&&

NJC035-291723-
/O.CAN.KPHI.FL.W.0019.000000T0000Z-180529T1707Z/
/BKWN4.2.ER.180527T2212Z.180528T1100Z.180529T1310Z.NO/
1253 PM EDT Tue May 29 2018

The Flood Warning is cancelled for
  The Millstone River at Blackwells Mills.
* At 12:15 PM Tuesday the stage was 8.5 feet.
* Flood stage is 9.0 feet.
* Fell below flood stage this morning.
* Forecast...The river will fall to 4.7 feet by tomorrow morning.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG   DAY TIME     CREST

Millstone River
  Blackwells Mills       9.0    8.51  Tue 12 PM    Crested 
 
&&
 
LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456             

$$

Kruzdlo

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 11:38 PM EDT	Flash Flood Watch	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 9 more	23 hr
May 27, 1:27 AM EDT	Special Marine Warning	PHI		2 hr
May 27, 1:46 AM EDT	Special Marine Warning	PHI		89 min
May 27, 1:58 AM EDT	Areal Flood Advisory	PHI	Monmouth	4 hr
May 27, 2:13 AM EDT	Areal Flood Advisory	PHI	Morris, Warren	4 hr
May 27, 4:13 AM EDT	Areal Flood Advisory	PHI	Middlesex, Somerset	4 hr
May 27, 4:28 AM EDT	Flash Flood Warning	PHI	Monmouth	4 hr
May 27, 4:39 AM EDT	Flash Flood Warning	PHI	Middlesex, Somerset	4 hr
May 27, 5:27 AM EDT	Areal Flood Advisory	PHI	Hunterdon	4 hr
May 27, 5:35 AM EDT	Areal Flood Advisory	PHI	Mercer, Middlesex, Monmouth	4 hr
May 27, 5:43 AM EDT	Flash Flood Warning	PHI	Monmouth	4 hr
May 27, 6:12 AM EDT	Flash Flood Warning	PHI	Mercer, Middlesex, Somerset	4 hr
May 27, 6:33 AM EDT	Flash Flood Warning	PHI	Hunterdon	4 hr
May 27, 7:30 AM EDT	Flash Flood Warning	PHI	Mercer	4 hr
May 27, 8:25 AM EDT	Areal Flood Warning	PHI	Monmouth	7 hr
May 27, 8:40 AM EDT	Areal Flood Warning	PHI	Middlesex, Somerset	4 hr
May 27, 9:05 AM EDT	River Flood Warning	PHI	Mercer	13 hr
May 27, 9:17 AM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester, Mercer, Monmouth, Ocean	3 hr
May 27, 10:02 AM EDT	Areal Flood Warning	PHI	Monmouth	6 hr
May 27, 10:19 AM EDT	Areal Flood Warning	PHI	Hunterdon, Mercer, Middlesex, Somerset	8 hr
May 27, 10:27 AM EDT	Areal Flood Warning	PHI	Hunterdon	8 hr
May 27, 11:18 AM EDT	Areal Flood Warning	PHI	Mercer	7 hr
May 27, 3:22 PM EDT	Coastal Flood Advisory	PHI	Burlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 2 more	12 hr
May 27, 3:44 PM EDT	Areal Flood Warning	PHI	Monmouth	16 hr
May 27, 6:07 PM EDT	Areal Flood Warning	PHI	Mercer, Middlesex, Somerset	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.