Alert archive / New Jersey / River Flood Warnings in 2011

River Flood Warning 94, NWS Philadelphia/Mount Holly

August 15, 2011Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Aug 15, 2011, 12:03 AM EDT for Somerset County, New Jersey. It took effect at Aug 15, 2011, 2:38 AM EDT. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued: Aug 15, 2011, 12:03 AM EDT (04:03 UTC)
In effect from: Aug 15, 2011, 2:38 AM EDT
Expired: Aug 16, 2011, 8:42 AM EDT
In force: 30 hr
Issued by: NWS Philadelphia/Mount Holly
Flood severity: Moderate

County Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 71 km from the middle of the area, began a volume at 04:06 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 10.26 ft at Aug 15, 2011, 9:00 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, in the capitals the NWS used until 2016.

799 
WGUS41 KPHI 150403
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1203 AM EDT MON AUG 15 2011

...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.

&&

NJC035-151003-
/O.NEW.KPHI.FL.W.0094.110815T0651Z-110816T1500Z/
/BKWN4.2.ER.110815T0651Z.110815T1700Z.110816T0900Z.NO/
1203 AM EDT MON AUG 15 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE MILLSTONE RIVER AT BLACKWELLS MILLS.
* UNTIL TUESDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 11:15 PM SUNDAY THE STAGE WAS 8.3 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* MODERATE FLOODING IS FORECAST. 
* FORECAST...RISE ABOVE FLOOD STAGE BY AFTER MIDNIGHT TONIGHT AND 
  CONTINUE TO RISE TO NEAR 10.0 FEET BY EARLY TOMORROW AFTERNOON. THE 
  RIVER WILL FALL BELOW FLOOD STAGE BY TUESDAY 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 MILL  9.0    8.30  SUN 11 PM   10.0  MON 1 PM 
  BRIGGSTOWN      10.0   13.45  SUN 11 PM

&&

7 follow-up statements

745 
WGUS81 KPHI 150642
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
242 AM EDT MON AUG 15 2011

...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.

&&

NJC035-151642-
/O.EXT.KPHI.FL.W.0094.110815T0638Z-110816T2200Z/
/BKWN4.2.ER.110815T0505Z.110815T1800Z.110816T1600Z.NO/
242 AM EDT MON AUG 15 2011

THE FLOOD WARNING CONTINUES FOR
  THE MILLSTONE RIVER AT BLACKWELLS MILLS.
* UNTIL TUESDAY EVENING...OR UNTIL THE WARNING IS CANCELLED.
* AT  2:15 AM MONDAY THE STAGE WAS 9.4 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 THIS 
  AFTERNOON. THE RIVER WILL FALL BELOW FLOOD STAGE EARLY TOMORROW 
  AFTERNOON.
* 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    9.38  MON 2 AM    10.2  MON 2 PM 
  GRIGGSTOWN      10.0   13.95  MON 2 AM    NEAR CREST

&&

030 
WGUS81 KPHI 151000
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
600 AM EDT MON AUG 15 2011

...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.

&&

NJC035-152000-
/O.CON.KPHI.FL.W.0094.000000T0000Z-110816T2200Z/
/BKWN4.2.ER.110815T0505Z.110815T1800Z.110816T1600Z.NO/
600 AM EDT MON AUG 15 2011

THE FLOOD WARNING CONTINUES FOR
  THE MILLSTONE RIVER AT BLACKWELLS MILLS.
* AT  5:45 AM MONDAY THE STAGE WAS 10.1 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 10.4 FEET BY THIS 
  AFTERNOON. THE RIVER WILL FALL BELOW FLOOD STAGE EARLY TOMORROW 
  AFTERNOON.
* 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 MILL  9.0   10.09  MON 6 AM    10.4  MON 2 PM 

&&

513 
WGUS81 KPHI 151239
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
839 AM EDT MON AUG 15 2011

...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.

&&

NJC035-152239-
/O.CON.KPHI.FL.W.0094.000000T0000Z-110816T2200Z/
/BKWN4.2.ER.110815T0505Z.110815T1800Z.110816T1600Z.NO/
839 AM EDT MON AUG 15 2011

THE FLOOD WARNING CONTINUES FOR
  THE MILLSTONE RIVER AT BLACKWELLS MILLS.
* AT 8:15 AM...THE STAGE WAS 10.25 FEET AND RISING SLOWLY. 
* FLOOD STAGE IS 9.0 FEET. 
* MODERATE FLOODING IS OCCURRING.
* FORECAST...THE RIVER LEVEL WILL CONTINUE RISING TO NEAR 10.4 
  FEET THIS AFTERNOON. THE RIVER WILL THEN FALL BACK BELOW FLOOD
  STAGE BY EARLY TUESDAY AFTERNOON.
* 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
  GRIGGSTOWN      10.0   13.80  MON 830 AM    CRESTED
  BLACKWELLS MILL  9.0   10.25  MON 815 AM    10.5  MON 200 PM
  WESTON          12.4    9.02  MON 745 AM 

&&

IOVINO

210 
WGUS81 KPHI 151412
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1012 AM EDT MON AUG 15 2011

...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.

&&

NJC035-160012-
/O.EXT.KPHI.FL.W.0094.000000T0000Z-110817T0000Z/
/BKWN4.2.ER.110815T0505Z.110815T1800Z.110816T1800Z.NO/
1012 AM EDT MON AUG 15 2011

THE FLOOD WARNING CONTINUES FOR
  THE MILLSTONE RIVER AT BLACKWELLS MILLS.
* AT 10:00 AM...THE STAGE WAS 10.3 FEET AND RISING SLOWLY. 
* FLOOD STAGE IS 9.0 FEET. 
* MODERATE FLOODING IS OCCURRING.
* FORECAST...THE RIVER LEVEL WILL CONTINUE RISING TO NEAR 10.5 FEET
  THIS AFTERNOON. THE RIVER WILL FALL BACK BELOW FLOOD STAGE EARLY
  TUESDAY AFTERNOON.
* 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
  GRIGGSTOWN      10.0   13.73  MON 1000 AM    CRESTED
  BLACKWELLS MILL  9.0   10.26  MON 1000 AM    10.5  MON 200 PM
  WESTON          12.4    8.97  MON  945 AM    CRESTED

&&

IOVINO

948 
WGUS81 KPHI 152353
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
753 PM EDT MON AUG 15 2011

...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.

&&

NJC035-160953-
/O.EXT.KPHI.FL.W.0094.000000T0000Z-110817T0600Z/
/BKWN4.2.ER.110815T0505Z.110815T1430Z.110817T0000Z.NO/
753 PM EDT MON AUG 15 2011

THE FLOOD WARNING CONTINUES FOR
  THE MILLSTONE RIVER AT BLACKWELLS MILLS.
* AT  7:45 PM MONDAY THE STAGE WAS 9.8 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 
  TOMORROW EVENING.
* 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 MILL  9.0    9.80  MON 8 PM     9.7  TUE 2 AM 

&&

671 
WGUS81 KPHI 160917
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
517 AM EDT TUE AUG 16 2011

...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.

&&

NJC035-161704-
/O.EXT.KPHI.FL.W.0094.000000T0000Z-110816T1704Z/
/BKWN4.2.ER.110815T0505Z.110815T1430Z.110816T1104Z.NO/
517 AM EDT TUE AUG 16 2011

THE FLOOD WARNING CONTINUES FOR
  THE MILLSTONE RIVER AT BLACKWELLS MILLS.
* AT  5:00 AM TUESDAY THE STAGE WAS 9.2 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* MINOR FLOODING IS OCCURRING.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE LATER
  THIS MORNING.  THIS RECESSION AT BLACKWELLS MILLS IS FASTER THAN EXPECTED 
  EARLIER. HOWEVER FLOODING IS CONTINUING AT GRIGGSTOWN WHICH MAY LINGER INTO 
  THIS EVENING.

* IMPACT...AT 9.0 FEET...FLOOD STAGE REACHED WITH FLOODING NOW ALONG 
  RIVER ROAD IN BLACKWELLS MILLS AND S. RIVER STREET IN MILLSTONE

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

MILLSTONE RIVER
  BLACKWELLS MILL  9.0    9.17  TUE 5 AM     8.9  TUE 8 AM 

&&

174 
WGUS81 KPHI 161242
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
842 AM EDT TUE AUG 16 2011

...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.

&&

NJC035-161312-
/O.CAN.KPHI.FL.W.0094.000000T0000Z-110816T1704Z/
/BKWN4.2.ER.110815T0505Z.110815T1430Z.110816T1035Z.NO/
842 AM EDT TUE AUG 16 2011

THE FLOOD WARNING IS CANCELLED FOR
  THE MILLSTONE RIVER AT BLACKWELLS MILLS.
* AT 8:15 AM TUESDAY THE STAGE WAS 8.8 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* FELL BELOW FLOOD STAGE AT 6:35 AM TUESDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 7.3 FEET BY WEDNESDAY 
  MORNING.
* IMPACT...AT 9.0 FEET...FLOOD STAGE REACHED WITH FLOODING NOW ALONG 
  RIVER ROAD IN BLACKWELLS MILLS AND S. RIVER STREET IN MILLSTONE

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

MILLSTONE RIVER
  BLACKWELLS MILL  9.0    8.82  TUE 8 AM      CRESTED 

&&

GORSE/MEOLA

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 14, 11:03 PM EDT	Areal Flood Warning	PHI	Monmouth, Ocean	8 hr
Aug 15, 5:31 AM EDT	Areal Flood Warning	PHI	Cumberland, Gloucester, Salem	4 hr
Aug 15, 5:34 AM EDT	Areal Flood Warning	PHI	Somerset	3 hr
Aug 15, 9:24 AM EDT	Areal Flood Warning	PHI	Cumberland, Salem	12 hr
Aug 15, 1:56 PM EDT	Special Weather Statement	PHI	Hunterdon, Warren	94 min
Aug 15, 2:35 PM EDT	Flash Flood Warning	PHI	Hunterdon, Warren	3 hr
Aug 15, 2:56 PM EDT	Special Weather Statement	PHI	Burlington, Camden, Cumberland, Gloucester, Mercer, Middlesex and 4 more	109 min
Aug 15, 3:10 PM EDT	Flash Flood Warning	PHI	Morris, Sussex	3 hr
Aug 15, 3:48 PM EDT	Special Marine Warning	PHI		87 min
Aug 15, 4:15 PM EDT	Special Weather Statement	PHI	Cape May	60 min
Aug 15, 4:33 PM EDT	Special Marine Warning	PHI		57 min
Aug 15, 5:08 PM EDT	Areal Flood Warning	PHI	Atlantic	4 hr
Aug 15, 5:25 PM EDT	Special Marine Warning	PHI		110 min
Aug 15, 5:46 PM EDT	Areal Flood Warning	PHI	Morris	15 hr

Nearby

River Flood Warnings in New Jersey, 2011 Every river flood warning in 2011

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.