Alert archive / New Jersey / River Flood Warnings in 2009

River Flood Warning 14, NWS Philadelphia/Mount Holly

August 23, 2009Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Aug 23, 2009, 1:23 AM EDT for Somerset County, New Jersey. It took effect at Aug 23, 2009, 3:00 AM EDT. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Aug 23, 2009, 1:23 AM EDT (05:23 UTC)
In effect from
Aug 23, 2009, 3:00 AM EDT
Expired
Aug 23, 2009, 11:03 PM EDT
In force
20 hr
Issued by
NWS Philadelphia/Mount Holly
Flood severity
Minor

County Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 71 km from the middle of the area, began a volume at 05:27 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 10.43 ft at Aug 23, 2009, 11:00 AM EDT.

actionminormoderate51008/2308/2408/25
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.

000 
WGUS41 KPHI 230523
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
123 AM EDT SUN AUG 23 2009

...THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WARNING FOR THE
MILLSTONE RIVER...
 
...MINOR FLOODING IS FORECAST FOR THE MILLSTONE RIVER...

NJC035-231123-
/O.NEW.KPHI.FL.W.0014.090823T1400Z-090823T2000Z/
/BKWN4.1.ER.090823T1400Z.090823T1400Z.090823T1400Z.NO/
123 AM EDT SUN AUG 23 2009

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE MILLSTONE RIVER AT BLACKWELLS MILLS.
* UNTIL SUNDAY AFTERNOON...OR UNTIL THE WARNING IS CANCELLED.
* AT 1:15 AM, THE STAGE WAS 8.2 FEET AND RISING. 
* MINOR FLOODING IS FORECAST. 
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...THE RIVER IS EXPECTED TO RISE TO NEAR FLOOD STAGE THIS
  MORNING.
* IMPACT...AT 9.0 FEET...FLOOD STAGE IS REACHED WITH MINOR FLOODING
  ALONG RIVER ROAD IN BLACKWELLS MILLS AND SOUTH RIVER STREET IN
  MILLSTONE.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

MILLSTONE RIVER
  GRIGGSTOWN      10.0    14.4  SUN 100 AM    NEAR CREST
  BLACKWELLS MILL  9.0     8.2  SUN 115 AM    9.0  SUN 10 AM
  WESTON          12.4    11.9  SUN 100 AM

&&

IOVINO
5 follow-up statements
000 
WGUS81 KPHI 230651
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
251 AM EDT SUN AUG 23 2009

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN NEW JERSEY...
 
  MILLSTONE RIVER AT BLACKWELLS MILLS AFFECTING SOMERSET COUNTY 

...MINOR FLOODING IS FORECAST FOR THE MILLSTONE RIVER...

NJC035-231651-
/O.EXT.KPHI.FL.W.0014.090823T0700Z-090824T1400Z/
/BKWN4.1.ER.090823T0700Z.090823T1400Z.090824T0800Z.NO/
251 AM EDT SUN AUG 23 2009

THE FLOOD WARNING CONTINUES FOR 
  THE MILLSTONE RIVER AT BLACKWELLS MILLS.
* UNTIL MONDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT  2:15 AM SUNDAY THE STAGE WAS 8.6 FEET. 
* MINOR FLOODING IS FORECAST. 
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY EARLY THIS MORNING AND CONTINUE 
  TO RISE TO NEAR 9.9 FEET BY LATE THIS MORNING. THE RIVER WILL FALL 
  BELOW FLOOD STAGE BY EARLY TOMORROW.
* 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    8.65  SUN 2 AM     9.9  SUN 10 AM

&&
000 
WGUS81 KPHI 231014
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
614 AM EDT SUN AUG 23 2009

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN NEW JERSEY...
 
  MILLSTONE RIVER AT BLACKWELLS MILLS AFFECTING SOMERSET COUNTY 

...MINOR FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST FOR 
MILLSTONE RIVER...

NJC035-232014-
/O.EXT.KPHI.FL.W.0014.000000T0000Z-090824T1900Z/
/BKWN4.2.ER.090823T0706Z.090823T1300Z.090824T1300Z.NO/
614 AM EDT SUN AUG 23 2009

...FLOOD WARNING EXTENDED UNTIL MONDAY AFTERNOON...THE FLOOD WARNING 
CONTINUES FOR
  THE MILLSTONE RIVER AT BLACKWELLS MILLS.
* UNTIL MONDAY AFTERNOON...OR UNTIL THE WARNING IS CANCELLED.
* AT  6:00 AM SUNDAY THE STAGE WAS 9.9 FEET. 
* MINOR FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST. 
* FLOOD STAGE IS 9.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 10.2 FEET BY LATE 
  THIS MORNING. THE RIVER WILL FALL BELOW FLOOD STAGE LATE MONDAY 
  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    9.91  SUN 6 AM    10.2  SUN 11 AM 

&&
000 
WGUS81 KPHI 231312
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
912 AM EDT SUN AUG 23 2009

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN NEW JERSEY...
 
  MILLSTONE RIVER AT BLACKWELLS MILLS AFFECTING SOMERSET COUNTY 

...MODERATE FLOODING IS OCCURRING AND EXPECTED TO CONTINUE ON THE 
MILLSTONE RIVER...

NJC035-232312-
/O.EXT.KPHI.FL.W.0014.000000T0000Z-090824T1000Z/
/BKWN4.2.ER.090823T0706Z.090823T1400Z.090824T0400Z.NO/
912 AM EDT SUN AUG 23 2009

THE FLOOD WARNING CONTINUES FOR 
  THE MILLSTONE RIVER AT BLACKWELLS MILLS.
* UNTIL MONDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT  8:45 AM SUNDAY THE STAGE WAS 10.3 FEET. 
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 10.4 FEET BY LATE 
  THIS MORNING. THE RIVER WILL FALL BELOW FLOOD STAGE AFTER MIDNIGHT 
  TOMORROW.
* 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   10.34  SUN 900 AM    10.4  SUN 10 AM
  GRIGGSTOWN      10.0   14.14  SUN 908 AM    CRESTED AT 14.47 AT 
                                              245 AM AND IS NOW
                                              SLOWLY FALLING 
   
&&

TFG/RPW
000 
WGUS81 KPHI 232303
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
703 PM EDT SUN AUG 23 2009

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN NEW JERSEY...
 
  MILLSTONE RIVER AT BLACKWELLS MILLS AFFECTING SOMERSET COUNTY 

...MINOR FLOODING IS OCCURRING AND EXPECTED TO CONTINUE ON THE MILLSTONE
RIVER...

NJC035-240903-
/O.EXT.KPHI.FL.W.0014.000000T0000Z-090824T1100Z/
/BKWN4.2.ER.090823T0706Z.090823T1545Z.090824T0500Z.NO/
703 PM EDT SUN AUG 23 2009

THE FLOOD WARNING CONTINUES FOR 
  THE MILLSTONE RIVER AT BLACKWELLS MILLS.
* UNTIL MONDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT  6:45 PM SUNDAY THE STAGE WAS 9.6 FEET. 
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 9.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL AND GO BACK BELOW FLOOD
  STAGE AFTER MIDNIGHT TONIGHT. 
* 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    9.62  SUN 7 PM     CRESTED AND FALLING
  GRIGGSTOWN      10.0   12.45  SUN 7 PM     CRESTED AND FALLING
    

&&
000 
WGUS81 KPHI 240303
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1103 PM EDT SUN AUG 23 2009

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN NEW 
JERSEY...
 
  MILLSTONE RIVER AT BLACKWELLS MILLS AFFECTING SOMERSET COUNTY


NJC035-240333-
/O.CAN.KPHI.FL.W.0014.000000T0000Z-090824T1100Z/
/BKWN4.2.ER.090823T0706Z.090823T1545Z.090824T0218Z.NO/
1103 PM EDT SUN AUG 23 2009

* AT 10:55 PM SUNDAY THE STAGE WAS 8.9 FEET AND FALLING. 
* NO FLOODING IS CURRENTLY FORECAST.
* FLOOD STAGE IS 9.0 FEET. 

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

MILLSTONE RIVER
  BLACKWELLS MILL  9.0    8.91  SUN 11 PM     BELOW FLOOD STAGE

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 10:06 PM EDTAreal Flood WarningPHIMercer6 hr
Aug 23, 3:30 AM EDTCoastal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Middlesex, Monmouth, Ocean10 hr

Nearby

River Flood Warnings in New Jersey, 2009Every river flood warning in 2009

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.