Alert archive / New Jersey / Severe Thunderstorm Warnings in 1988
Severe Thunderstorm Warning 39, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 17, 1988, 6:40 PM EDT for Burlington County, Camden County, New Jersey. It was in force for 50 min. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 17, 1988, 6:40 PM EDT (22:40 UTC)
- Expired
- Aug 17, 1988, 7:30 PM EDT
- In force
- 50 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Burlington County, NJ, Camden County, NJ
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 17, 6:45 PM EDT | Thunderstorm Wind 0 | Camden, NJ | |
| Aug 17, 6:45 PM EDT | Thunderstorm Wind 52 | Burlington, NJ | |
| Aug 17, 6:50 PM EDT | Thunderstorm Wind 74 | Burlington, NJ | |
| Aug 17, 6:55 PM EDT | Thunderstorm Wind 58 | Camden, NJ |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Atlantic City In, NJ (KACY), launched 12:00Z, 10.7 hours before the alert went out and 51 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1851 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KPHL 172241
SVRPHL
NJC005-007-172330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA PA
640 PM EDT WED AUG 17 1988
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH NEW JERSEY
...BURLINGTON...CAMDEN
STRONG THUNDERSTORMS IN PHILADELPHIA AND LOWER BUCKS AND
MONTGOMERY COUNTIES IN PENNSYLVANIA AT 635 PM WILL MOVE SOUTHEAST
INTO CAMDEN AND BURLINGTON COUNTIES IN NEW JERSEY BY 650 PM.
THESE FAST MOVING STORMS HAVE ALREADY CAUSED WIND GUSTS OF
40 TO 80 MPH AS THEY MOVED THROUGH PARTS OF PHILADELPHIA AND
MONTGOMERY COUNTIES.
THIS IS A DANGEROUS STORM. IF YOU ARE IN THE WARNED AREA...BE
PREPARED FOR STRONG DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN
AND DANGEROUS LIGHTNING. SHOULD THE STORM APPROACH YOU...SEEK
IMMEDIATE SHELTER. MOBILE HOMES ARE MOST VULNERABLE TO HIGH WINDS
AND SHOULD BE AVOIDED.The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 3:07 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland | 38 min |
| Aug 17, 7:09 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Ocean | 66 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 1988Every severe thunderstorm warning in 1988
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.