Alert archive / New Jersey / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 29, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 16, 1989, 6:25 PM EDT for Gloucester County, Salem County, New Jersey. It was in force for 35 min. 2 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
- Jun 16, 1989, 6:25 PM EDT (22:25 UTC)
- Expired
- Jun 16, 1989, 7:00 PM EDT
- In force
- 35 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Gloucester County, NJ, Salem 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 |
|---|---|---|---|
| Jun 16, 6:27 PM EDT | Thunderstorm Wind 0 | Gloucester, NJ | |
| Jun 16, 6:48 PM EDT | Thunderstorm Wind 0 | Gloucester, 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, 10.4 hours before the alert went out and 68 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
- 17 J/kg
- Mixed-layer CIN
- -287 J/kg
- Mixed-layer LCL
- 910 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 161 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 162227 RRA
SVRPHL
NJC015-033-162300-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA PA
625 PM EDT FRI JUN 16 1989
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH NEW JERSEY
...GLOUCESTER...SALEM
AT 622 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM OVER CENTRAL SALEM COUNTY. THIS STORM WAS MOVING
NORTHEAST AT 35 MILES AN HOUR AND WILL MOVE THROUGH SALEM AND
GLOUCESTER COUNTIES BY 7 PM EDT.
DAMAGING WINDS...LARGE HAIL...AND VERY HEAVY RAIN CAN BE EXPECTED WITH
THIS STORM.
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.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DAMAGING WINDS...LARGE
HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING ARE ALL POSSIBLE IN
SEVERE THUNDERSTO0RMS. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER
CROSSINGS. HEAVY RAINS FLOOD ROADS QUICKLY.
DPGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 8:18 PM EDT | Severe Thunderstorm Warning | PHI | Cape May, Cumberland | 57 min |
| Jun 15, 9:24 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 51 min |
| Jun 16, 6:27 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland | 63 min |
| Jun 16, 6:55 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 50 min |
| Jun 16, 7:53 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Cape May, Ocean | 67 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 1989Every severe thunderstorm warning in 1989
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.