Alert archive / New Jersey / Flash Flood Warnings in 2008
Flash Flood Warning 29, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 15, 2008, 3:16 PM EDT for Sussex County, New Jersey. It was in force for 113 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
- Aug 15, 2008, 3:16 PM EDT (19:16 UTC)
- Expired
- Aug 15, 2008, 5:09 PM EDT
- In force
- 113 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 138 km from the middle of the area, began a volume at 19:17 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, 7.3 hours before the alert went out and 162 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
- 192 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 694 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 91 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 151916 FFWPHI NJC037-152315- /O.NEW.KPHI.FF.W.0029.080815T1916Z-080815T2315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 316 PM EDT FRI AUG 15 2008 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL SUSSEX COUNTY IN NORTHWEST NEW JERSEY... * UNTIL 715 PM EDT * AT 313 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM NEAR BRANCHVILLE...OR 7 MILES NORTH OF NEWTON...MOVING EAST AT 10 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SUSSEX 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 4121 7481 4124 7458 4107 7467 4108 7491 $$ SZATKOWSKI
1 follow-up statement
000 WGUS71 KPHI 152109 FFSPHI FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 509 PM EDT FRI AUG 15 2008 NJC037-152117- /O.CAN.KPHI.FF.W.0029.000000T0000Z-080815T2315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SUSSEX NJ- 509 PM EDT FRI AUG 15 2008 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CENTRAL SUSSEX COUNTY... HEAVY RAINFALL HAS MOVED OUT OF THE REGION AND NO REPORTS OF FLOODING HAVE BEEN RECEIVED. LAT...LON 4121 7481 4124 7458 4107 7467 4108 7491 $$ SZATKOWSKI
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 3:16 PM EDT | Special Marine Warning | PHI | 89 min | |
| Aug 15, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 30 min |
| Aug 15, 6:01 PM EDT | Areal Flood Advisory | PHI | Somerset | 119 min |
| Aug 15, 7:37 PM EDT | Areal Flood Advisory | PHI | Middlesex | 113 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.