Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 72, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 14, 2008, 8:35 PM EDT for Hunterdon County, Mercer County, Somerset County, New Jersey; Bucks County, Pennsylvania. It was in force for 55 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 14, 2008, 8:35 PM EDT (00:35 UTC)
- Expired
- Jun 14, 2008, 9:30 PM EDT
- In force
- 55 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Hunterdon County, NJ, Mercer County, NJ, Somerset County, NJ, Bucks County, PA
The radar
The Philadelphia radar (KDIX), 42 km from the middle of the area, began a volume at 00:37 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 00:00Z, 0.6 hours before the alert went out and 168 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
- 257 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 1172 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 17 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 150036
SVRPHI
NJC019-021-035-PAC017-150130-
/O.NEW.KPHI.SV.W.0072.080615T0035Z-080615T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
835 PM EDT SAT JUN 14 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MERCER COUNTY IN CENTRAL NEW JERSEY...
SOUTHWESTERN SOMERSET COUNTY IN NORTHERN NEW JERSEY...
SOUTHERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...
EASTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
* UNTIL 930 PM EDT
* AT 832 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM SERGEANTSVILLE TO LANGHORNE...OR ALONG A LINE EXTENDING FROM
19 MILES NORTHWEST OF TRENTON TO 12 MILES NORTHEAST OF
PHILADELPHIA...AND MOVING EAST AT 20 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
SERGEANTSVILLE...SAND BROOK...NEWTOWN AND LANGHORNE BY 840 PM...
FLEMINGTON...WASHINGTON CROSSING...WOODSIDE AND LEVITTOWN BY 850
PM...
PENNINGTON AND EWING BY 900 PM...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
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...CONTINUOUS 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.
THIS STORM HAS PRODUCED TREE AND TREE LIMB WIND DAMAGE
IN CHESTER AND MONTGOMERY COUNTIES.
LAT...LON 4018 7461 4015 7461 4015 7464 4017 7469
4014 7473 4012 7490 4049 7509 4056 7460
4039 7459 4034 7465 4030 7459 4017 7458
TIME...MOT...LOC 0035Z 266DEG 17KT 4044 7496 4013 7495
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 8:26 PM EDT | Special Marine Warning | PHI | 64 min | |
| Jun 14, 8:38 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 52 min |
| Jun 14, 8:55 PM EDT | Flash Flood Warning | PHI | Monmouth | 3 hr |
| Jun 14, 9:03 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 57 min |
| Jun 14, 9:25 PM EDT | Special Marine Warning | PHI | 65 min | |
| Jun 14, 9:52 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jun 14, 9:56 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 64 min |
| Jun 14, 10:42 PM EDT | Special Marine Warning | PHI | 63 min | |
| Jun 15, 2:23 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jun 15, 2:36 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 54 min |
| Jun 15, 2:38 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jun 15, 2:50 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 25 min |
| Jun 15, 3:40 PM EDT | Special Marine Warning | PHI | 95 min | |
| Jun 15, 3:51 PM EDT | Special Marine Warning | PHI | 61 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.