Alert archive / New Jersey / Flash Flood Warnings in 2008
Flash Flood Warning 18, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 6, 2008, 4:53 PM EDT for Mercer County, New Jersey. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 6, 2008, 4:53 PM EDT (20:53 UTC)
- Expired
- Jul 6, 2008, 5:52 PM EDT
- In force
- 59 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Mercer County, NJ
The radar
The Philadelphia radar (KDIX), 45 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.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.9 hours before the alert went out and 167 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
- 61 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 641 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 129 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 062053
FFWPHI
NJC021-070000-
/O.NEW.KPHI.FF.W.0018.080706T2053Z-080707T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
453 PM EDT SUN JUL 6 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MERCER COUNTY IN CENTRAL NEW JERSEY...
* UNTIL 800 PM EDT
* AT 447 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. RAINFALL
ESTIMATES HAVE REACHED UP TO AROUND 1.5 INCHES WITH AN ADDITIONAL
INCH OR TWO POSSIBLE.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WASHINGTON
CROSSING...PRINCETON...PENNINGTON AND LAWRENCEVILLE
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS WATER COVERED BRIDGES...DIPS...OR LOW WATER CROSSINGS. NEVER
TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO
ESCAPE RISING WATER MOVE UP 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 4023 7449 4017 7467 4017 7469 4015 7472
4033 7492 4034 7486 4036 7486 4039 7474
4037 7473 4039 7464 4036 7462 4034 7465
4029 7454
TIME...MOT...LOC 2053Z 180DEG 0KT 4029 7466
$$
TFG1 follow-up statement
000
WGUS71 KPHI 062152
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
551 PM EDT SUN JUL 6 2008
NJC021-062201-
/O.CAN.KPHI.FF.W.0018.000000T0000Z-080707T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MERCER NJ-
551 PM EDT SUN JUL 6 2008
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR MERCER COUNTY...
THE THUNDERSTORMS WITH HEAVY RAIN HAVE DISSIPATED OR MOVED OUT OF
THE COUNTY.
LAT...LON 4023 7449 4017 7467 4017 7469 4015 7472
4033 7492 4034 7486 4036 7486 4039 7474
4037 7473 4039 7464 4036 7462 4034 7465
4029 7454
TIME...MOT...LOC 2151Z 180DEG 0KT 4029 7466
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 1:57 PM EDT | Special Marine Warning | PHI | 86 min | |
| Jul 6, 3:48 PM EDT | Flash Flood Warning | PHI | Burlington | 104 min |
| Jul 6, 4:25 PM EDT | Areal Flood Advisory | PHI | Camden, Mercer | 72 min |
| Jul 6, 5:17 PM EDT | Flash Flood Warning | PHI | Camden | 71 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.