Alert archive / New Jersey / River Flood Warnings in 2009

River Flood Warning 4, NWS Philadelphia/Mount Holly

July 2, 2009Hunterdon County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Jul 2, 2009, 10:47 AM EDT for Hunterdon County, Somerset County, New Jersey. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: Jul 2, 2009, 10:47 AM EDT (14:47 UTC)
Expired: Jul 2, 2009, 12:54 PM EDT
In force: 2 hr
Issued by: NWS Philadelphia/Mount Holly
Flood severity: Minor

Counties Hunterdon County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 75 km from the middle of the area, began a volume at 14:46 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 South Branch Raritan River at Stanton (STTN4). The gauge peaked at 8.19 ft at Jul 2, 2009, 10:00 AM EDT.

Action stage: 7 ft
Minor stage: 8 ft
Moderate stage: 10 ft
Major stage: 12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01397000, 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 021447
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1047 AM EDT THU JUL 02 2009

...THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WARNING FOR THE
SOUTH BRANCH RARITAN RIVER AT STANTON...

...MINOR FLOODING IS OCCURRING...

NJC019-035-022047-
/O.NEW.KPHI.FL.W.0004.090702T1447Z-090703T0040Z/
/STTN4.1.ER.090702T1318Z.090702T1415Z.090702T1840Z.NO/
1047 AM EDT THU JUL 02 2009

THE NATIONAL WEATHER SERVICE HAS ISSUED A 

* FLOOD WARNING FOR 
  THE SOUTH BRANCH RARITAN RIVER AT STANTON.
* UNTIL THIS EVENING...OR UNTIL THE WARNING IS CANCELLED.
* AT 10:45 AM, THE STAGE WAS 8.2 FEET AND NEARING A CREST. 
* MINOR FLOODING IS OCCURRING.
* FLOOD STAGE IS 8.0 FEET. 
* FORECAST...THE RIVER WILL FALL BACK BELOW FLOOD STAGE EARLY 
  THIS AFTERNOON.
* IMPACT...AT 8.0 FEET...THE RIGHT BANK AND APPROACH TO THE BRIDGE
  ARE FLOODED.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

RARITAN RIVER
  STANTON          8.0    8.2  THU 1045 AM    CRESTING 

&&

1 follow-up statement

000 
WGUS81 KPHI 021654
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1254 PM EDT THU JUL 02 2009

...THE FLOOD WARNING IS CANCELLED FOR THE SOUTH BRANCH RARITAN
RIVER...
 
NJC019-035-021724-
/O.CAN.KPHI.FL.W.0004.000000T0000Z-090703T0040Z/
/STTN4.1.ER.090702T1318Z.090702T1445Z.090702T1609Z.NO/
1254 PM EDT THU JUL 02 2009

* AT 12:45 PM, THE STAGE WAS 7.6 FEET AND FALLING. 
* NO ADDITIONAL FLOODING IS FORECAST.
* FLOOD STAGE IS 8.0 FEET. 

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

RARITAN RIVER
  STANTON          8.0    7.6  THU 1245 PM    CRESTED 

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 3:38 AM EDT	Areal Flood Advisory	PHI	Hunterdon, Morris	3 hr
Jul 2, 4:50 AM EDT	Areal Flood Advisory	PHI	Morris	3 hr
Jul 2, 7:01 AM EDT	Areal Flood Warning	PHI	Hunterdon, Somerset	3 hr

Nearby

River Flood Warnings in New Jersey, 2009 Every 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.