Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 243, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 11, 2008, 11:23 AM EDT for Sussex County, Warren County, New Jersey; Monroe County, Pennsylvania. It was in force for 38 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 11, 2008, 11:23 AM EDT (15:23 UTC)
- Expired
- Aug 11, 2008, 12:01 PM EDT
- In force
- 38 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Sussex County, NJ, Warren County, NJ, Monroe County, PA
The radar
The Binghamton radar (KBGM), 139 km from the middle of the area, began a volume at 15:25 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, 3.4 hours before the alert went out and 181 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
- 263 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 766 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 111523
SVRPHI
NJC037-041-PAC089-111630-
/O.NEW.KPHI.SV.W.0243.080811T1523Z-080811T1630Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1123 AM EDT MON AUG 11 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN MONROE COUNTY IN NORTHEAST PENNSYLVANIA...
NORTHWESTERN SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
EXTREME NORTH CENTRAL WARREN COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 1230 PM EDT
* AT 1120 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
ANALOMINK...OR ABOUT 10 MILES EAST OF MOUNT POCONO...AND MOVING
NORTHEAST AT 25 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
6 MILES NORTHWEST OF FLATBROOKVILLE BY 1130 AM...
HAINESVILLE BY 1145 AM...
HIGH POINT BY NOON...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
LAT...LON 4127 7455 4095 7523 4109 7538 4126 7517
4126 7514 4125 7513 4116 7515 4115 7509
4109 7502 4115 7491 4127 7485 4134 7475
4135 7469
TIME...MOT...LOC 1523Z 228DEG 37KT 4113 7509
$$1 follow-up statement
000
WWUS51 KPHI 111601
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1201 PM EDT MON AUG 11 2008
NJC037-041-PAC089-111610-
/O.CAN.KPHI.SV.W.0243.000000T0000Z-080811T1630Z/
SUSSEX NJ-WARREN NJ-MONROE PA-
1200 PM EDT MON AUG 11 2008
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MONROE...EXTREME NORTH
CENTRAL WARREN AND NORTHWESTERN SUSSEX COUNTIES IS CANCELLED...
THE THUNDERSTORM THAT PROMPTED THE WARNING TO BE ISSUED HAS WEAKENED.
THE SEVERE THUNDERSTORM WARNING IS CANCELLED. HOWEVER...SMALL HAIL
AND DANGEROUS CLOUD TO GROUND LIGHTNING REMAIN IN THE AREA.
LAT...LON 4127 7455 4095 7523 4109 7538 4126 7517
4126 7514 4125 7513 4116 7515 4115 7509
4109 7502 4115 7491 4127 7485 4134 7475
4135 7469
TIME...MOT...LOC 1600Z 228DEG 37KT 4138 7471
$$
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 8:06 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cumberland, Ocean | 84 min |
| Aug 10, 8:13 PM EDT | Special Marine Warning | PHI | 92 min | |
| Aug 10, 8:45 PM EDT | Special Marine Warning | PHI | 28 min | |
| Aug 10, 9:35 PM EDT | Special Marine Warning | PHI | 85 min | |
| Aug 11, 8:50 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Somerset | 40 min |
| Aug 11, 10:55 AM EDT | Special Marine Warning | PHI | 20 min | |
| Aug 11, 1:07 PM EDT | Special Marine Warning | PHI | 83 min | |
| Aug 11, 5:19 PM EDT | Special Marine Warning | PHI | 86 min | |
| Aug 11, 9:00 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 45 min |
| Aug 11, 4:21 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 39 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2008Severe Thunderstorm Warnings in Pennsylvania, 2008Every severe thunderstorm 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.