Alert archive / New Jersey / Flash Flood Warnings in 2008
Flash Flood Warning 14, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 29, 2008, 4:56 PM EDT for Middlesex County, New Jersey. It was in force for 118 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 29, 2008, 4:56 PM EDT (20:56 UTC)
- Expired
- Jun 29, 2008, 6:54 PM EDT
- In force
- 118 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Middlesex County, NJ
The radar
The Philadelphia radar (KDIX), 65 km from the middle of the area, began a volume at 20:56 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 29, 5:00 PM EDT | FLASH FLOOD | Edison, NJ | FLOODING REPORTED ON WOODBRIDGE AVENUE AND PLAINFIELD ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.9 hours before the alert went out and 129 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 5 J/kg
- Mixed-layer CIN
- -298 J/kg
- Mixed-layer LCL
- 1853 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KPHI 292057
FFWPHI
NJC023-300100-
/O.NEW.KPHI.FF.W.0014.080629T2056Z-080630T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
456 PM EDT SUN JUN 29 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...
* UNTIL 900 PM EDT
* AT 447 PM...FLASH FLOODING WAS REPORTED FROM A THUNDERSTORM OVER
THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SOUTH
BRUNSWICK...SOCIETY HILL...SAYREVILLE...PERTH AMBOY...NORTH
BRUNSWICK...NEW BRUNSWICK...JAMESBURG...EDISON...EAST BRUNSWICK...
DAYTON...COLONIA AND CARTERET
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
LAT...LON 4054 7424 4053 7423 4027 7441 4039 7457
4049 7446 4057 7448 4059 7445 4060 7430
4059 7428 4060 7422 4059 7420 4057 7420
TIME...MOT...LOC 2056Z 180DEG 0KT 4034 7463
$$
RPW1 follow-up statement
000
WGUS71 KPHI 292254
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
650 PM EDT SUN JUN 29 2008
NJC023-292300-
/O.CAN.KPHI.FF.W.0014.000000T0000Z-080630T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIDDLESEX NJ-
650 PM EDT SUN JUN 29 2008
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR MIDDLESEX COUNTY...
THE STRONG THUNDERSTORMS THAT PRODUCED THIS AFTERNOONS HEAVY RAIN
HAVE MOVED OUT OF THE AREA. FLOOD WATERS HAVE SUBSIDED AND THE
NATIONAL WEATHER SERVICE HAS CANCELLED THE FLASH FLOOD WARNING.
LAT...LON 4054 7424 4053 7423 4027 7441 4039 7457
4049 7446 4057 7448 4059 7445 4060 7430
4059 7428 4060 7422 4059 7420 4057 7420
TIME...MOT...LOC 2250Z 180DEG 0KT 4034 7463
$$
RPWThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 1:47 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 29 min |
| Jun 29, 3:31 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Somerset | 44 min |
| Jun 29, 3:44 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 46 min |
| Jun 29, 4:11 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Somerset | 64 min |
Nearby
Flash Flood Warnings in New Jersey, 2008Every flash flood warning in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.