Alert archive / New Jersey / River Flood Warnings in 2009

River Flood Warning 29, NWS Philadelphia/Mount Holly

December 9, 2009Middlesex County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Dec 9, 2009, 10:17 PM EST for Middlesex County, Somerset County, New Jersey. It took effect at Dec 9, 2009, 10:30 PM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Dec 9, 2009, 10:17 PM EST (03:17 UTC)
In effect from: Dec 9, 2009, 10:30 PM EST
Expired: Dec 10, 2009, 7:07 AM EST
In force: 9 hr
Issued by: NWS Philadelphia/Mount Holly
Flood severity: Minor

Counties Middlesex County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 62 km from the middle of the area, began a volume at 03:15 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 Raritan River at Manville (MNVN4). The gauge peaked at 13.88 ft at Dec 9, 2009, 11:00 PM EST.

Action stage: 12 ft
Minor stage: 14 ft
Moderate stage: 17 ft
Major stage: 20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01400500, 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 100317
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1017 PM EST WED DEC 09 2009

...THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A FLOOD 
WARNING FOR THE FOLLOWING RIVERS IN NEW JERSEY... 

  RARITAN RIVER AT MANVILLE AFFECTING MIDDLESEX AND SOMERSET COUNTIES
PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

NJC023-035-100917-
/O.NEW.KPHI.FL.W.0029.091210T0330Z-091210T1207Z/
/MNVN4.1.ER.091210T0330Z.091210T0400Z.091210T0607Z.NO/
1017 PM EST WED DEC 09 2009

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE RARITAN RIVER AT MANVILLE.
* UNTIL THURSDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT  9:15 PM WEDNESDAY THE STAGE WAS 13.8 FEET. 
* MINOR FLOODING IS FORECAST. 
* FLOOD STAGE IS 14.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY TONIGHT AND CONTINUE TO RISE TO 
  NEAR 14.1 FEET BY TONIGHT. THE RIVER WILL FALL BELOW FLOOD STAGE BY 
  AFTER MIDNIGHT TOMORROW.
* IMPACT...AT 14.0 FEET...STREET AND ROADWAY FLOODING WIDESPREAD IN THE 
  MANVILLE AREA

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

RARITAN RIVER
  MANVILLE         14.0   13.75  WED 9 PM    14.1  WED 11 PM

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 9, 7:09 PM EST	Areal Flood Warning	PHI	Monmouth, Ocean	6 hr
Dec 10, 10:11 AM EST	River Flood Warning	PHI	Burlington	5 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.