Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 94, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 18, 2008, 5:03 PM EDT for Monroe County, Pennsylvania; Sussex County, Warren County, New Jersey. It was in force for 57 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
- Jun 18, 2008, 5:03 PM EDT (21:03 UTC)
- Expired
- Jun 18, 2008, 6:00 PM EDT
- In force
- 57 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Sussex County, NJ, Warren County, NJ, Monroe County, PA
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 9.1 hours before the alert went out and 188 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
- 24 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 704 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 182103
SVRPHI
NJC037-041-PAC089-182200-
/O.NEW.KPHI.SV.W.0094.080618T2103Z-080618T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
503 PM EDT WED JUN 18 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EAST CENTRAL MONROE COUNTY IN NORTHEAST PENNSYLVANIA...
SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
NORTHEASTERN WARREN COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 600 PM EDT
* AT 500 PM 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
MILLBROOK...OR ABOUT 35 MILES NORTHEAST OF BETHLEHEM...AND MOVING
NORTHEAST AT 26 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
FIVE POINTS AND CRANDON LAKES BY 520 PM...
NEWTON BY 525 PM...
BRANCHVILLE BY 535 PM...
PELLETTOWN BY 540 PM...
PELLETTOWN BY 545 PM...
SUSSEX...HAMBURG AND FRANKLIN BY 550 PM...
THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY
RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE
WATER IS CROSSING THE ROAD.
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 4119 7437 4097 7466 4090 7481 4110 7515
4115 7509 4109 7503 4111 7496 4117 7489
4123 7487 4128 7483 4134 7475 4135 7469
TIME...MOT...LOC 2103Z 247DEG 23KT 4106 7498
$$
RNS2 follow-up statements
000
WWUS51 KPHI 182132
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
532 PM EDT WED JUN 18 2008
NJC041-PAC089-182142-
/O.CAN.KPHI.SV.W.0094.000000T0000Z-080618T2200Z/
WARREN NJ-MONROE PA-
532 PM EDT WED JUN 18 2008
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MONROE AND
NORTHEASTERN WARREN COUNTIES IS CANCELLED...
LAT...LON 4124 7447 4124 7445 4121 7442 4122 7441
4120 7440 4121 7439 4119 7438 4116 7440
4097 7466 4092 7476 4115 7492 4117 7490
4126 7450
TIME...MOT...LOC 2132Z 252DEG 32KT 4111 7463
$$
NJC037-182200-
/O.CON.KPHI.SV.W.0094.000000T0000Z-080618T2200Z/
SUSSEX NJ-
532 PM EDT WED JUN 18 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR SUSSEX COUNTY...
AT 524 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR NEWTON...OR 31 MILES WEST OF PATERSON...MOVING EAST AT
37 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
6 MILES SOUTH OF SUSSEX BY 535 PM EDT...
HAMBURG BY 540 PM EDT...
HIGHLAND LAKE AND 6 MILES SOUTH OF VERNON VALLEY BY 550 PM EDT...
LAT...LON 4124 7447 4124 7445 4121 7442 4122 7441
4120 7440 4121 7439 4119 7438 4116 7440
4097 7466 4092 7476 4115 7492 4117 7490
4126 7450
TIME...MOT...LOC 2132Z 252DEG 32KT 4111 7463
$$
RNS000
WWUS51 KPHI 182152
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
552 PM EDT WED JUN 18 2008
NJC037-182202-
/O.EXP.KPHI.SV.W.0094.000000T0000Z-080618T2200Z/
SUSSEX NJ-
552 PM EDT WED JUN 18 2008
...THE SEVERE THUNDERSTORM WARNING FOR SUSSEX COUNTY WILL EXPIRE AT
600 PM EDT...
THE STRONGEST THUNDERSTORMS HAVE MOVED OUT OF THE AREA.
LAT...LON 4124 7447 4124 7445 4121 7442 4122 7441
4120 7440 4121 7439 4119 7438 4116 7440
4097 7466 4092 7476 4115 7492 4117 7490
4126 7450
TIME...MOT...LOC 2152Z 252DEG 32KT 4116 7441
$$
RNSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 4:35 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh, Northampton | 40 min |
| Jun 18, 4:57 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Montgomery | 42 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.