Alert archive / New Jersey / Flash Flood Warnings in 2008
Flash Flood Warning 20, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 8, 2008, 1:24 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
- Jul 8, 2008, 1:24 PM EDT (17:24 UTC)
- Expired
- Jul 8, 2008, 4:30 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 Binghamton radar (KBGM), 144 km from the middle of the area, began a volume at 17:23 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, 5.4 hours before the alert went out and 164 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
- 457 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 738 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 68 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 081726
FFWPHI
NJC037-082030-
/O.NEW.KPHI.FF.W.0020.080708T1724Z-080708T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
124 PM EDT TUE JUL 8 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 430 PM EDT
* AT 121 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
NEARLY STATIONARY THUNDERSTORM NEAR MONTAGUE. THE STORM WILL DRIFT
SLOWLY NORTHEAST OVER THE NEXT HOUR.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MONTAGUE
AND HIGH POINT. THE LITTLE FLAT BROOK MAY ALSO BE AFFECTED BY THIS
STORM.
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.
LAT...LON 4134 7466 4122 7446 4116 7488 4125 7486
4128 7483 4130 7480 4131 7480 4132 7477
4134 7475 4134 7473 4135 7470
$$
PO1 follow-up statement
000
WGUS71 KPHI 081900
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
257 PM EDT TUE JUL 8 2008
NJC037-082030-
/O.CON.KPHI.FF.W.0020.000000T0000Z-080708T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX NJ-
257 PM EDT TUE JUL 8 2008
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR
NORTHERN SUSSEX COUNTY...
AT 251 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE SCATTERED THUNDERSTORM PRODUCING VERY HEAVY RAINS OVER
NORTHERN SUSSEX COUNTY. THE STRONGEST THUNDERSTORMS ARE NEAR SUSSEX
AND VERNON VALLEY.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS. STREAMS AFFECTED INCLUDE THE PAPAKATING
CREEK...CLOVE BROOK AND BEAVER RUN.
LAT...LON 4134 7466 4122 7446 4116 7488 4125 7486
4128 7483 4130 7480 4131 7480 4132 7477
4134 7475 4134 7473 4135 7470
$$
POThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 5:36 PM EDT | Special Marine Warning | PHI | 114 min | |
| Jul 8, 6:14 PM EDT | Special Marine Warning | PHI | 91 min | |
| Jul 8, 6:26 PM EDT | Special Marine Warning | PHI | 94 min | |
| Jul 8, 6:46 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 24 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.