Alert archive / New Jersey / Flash Flood Warnings in 2008
Flash Flood Warning 26, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 14, 2008, 4:12 PM EDT for Sussex County, New Jersey. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 14, 2008, 4:12 PM EDT (20:12 UTC)
- Expired
- Aug 14, 2008, 7:37 PM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 120 km from the middle of the area, began a volume at 20:12 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, 8.2 hours before the alert went out and 150 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
- 444 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 751 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- -12 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 142012
FFWPHI
NJC037-150015-
/O.NEW.KPHI.FF.W.0026.080814T2012Z-080815T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
412 PM EDT THU AUG 14 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 815 PM EDT
* AT 403 PM...FLASH FLOODING IS LIKELY WITH THUNDERSTORMS OVER
THE WARNED AREA. ANOTHER THUNDERSTORM WILL PASS OVER THE SAME
AREA WHERE ABOUT 2 INCHES OF RAIN HAS FALLEN IN THE LAST HOUR.
* THE STORM PRODUCING FLASH FLOODING WILL AFFECT SPARTA
TOWNSHIP AND SURROUNDING AREAS THE HARDEST AS RAINFALL
AMOUNTS HAVE ALREADY OCCURRED IN THIS AREA.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
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.
LAT...LON 4113 7446 4105 7453 4097 7464 4095 7464
4093 7464 4091 7465 4091 7467 4093 7479
4101 7489 4116 7472
$$
TFG1 follow-up statement
000
WGUS71 KPHI 142337
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
737 PM EDT THU AUG 14 2008
NJC037-142346-
/O.CAN.KPHI.FF.W.0026.000000T0000Z-080815T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX NJ-
737 PM EDT THU AUG 14 2008
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN SUSSEX
COUNTY...
THE ROUNDS OF FOCUSED HEAVY RAINFALL HAVE EXITED THE AREA, THEREFORE
THE FLASH FLOOD WARNING HAS BEEN CANCELLED.
LAT...LON 4113 7446 4105 7453 4097 7464 4095 7464
4093 7464 4091 7465 4091 7467 4093 7479
4101 7489 4116 7472
$$
GORSEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 2:45 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 60 min |
| Aug 14, 3:50 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 3 hr |
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.