Alert archive / New Jersey / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 31, NWS Philadelphia/Mount Holly

June 16, 1989Burlington County, Camden County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 16, 1989, 6:55 PM EDT for Burlington County, Camden County, New Jersey. It was in force for 50 min. 3 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, 6:55 PM EDT (22:55 UTC)
Expired
Jun 16, 1989, 7:45 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

TimeReportWhereRemark
Jun 16, 6:56 PM EDTThunderstorm Wind 56Camden, NJ
Jun 16, 7:15 PM EDTThunderstorm Wind 0Burlington, NJ
Jun 16, 7:40 PM EDTThunderstorm Wind 0Burlington, 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, 10.9 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.

Skew-T log-pSkew-T log-p diagram, Atlantic City In, NJ at 12:00Z on 1989-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Atlantic City In, NJ at 12:00Z on 1989-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KPHL 162255
SVRPHL
NJC007-005-162345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE PHILADELPHIA PA
655 PM EDT FRI JUN 16 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 745 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHWEST PART OF NEW JERSEY
      CAMDEN...BURLINGTON

AT 650 PM EDT  RADAR INDICATED A SEVERE THUNDERSTORM OVER
GLOUCESTER COUNTY MOVING NORTHEAST 35 MILES AN HOUR.

  AT 650 PM 60  MPH WINDS WERE REPORTED WITH THIS STORM.

 THIS IS A DANGEROUS STORM AND PEOPLE IN THE WARNED AREA SHOULD BE
PREPARED FOR STRONG DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN
AND LIGHTNING. SHOULUD THE STORM APPROACH YOU...SEEK IMMEDIATE
SHELTER. MOBILE HOMES ARE MOST VULNERABLE TO HIGH WINDS AND
SHOULD BE AVOIDED.

 A SEVERE THUNDERSTORM WATCH CONTINUES FOR SOUTHEASTERN PA.
 AND THE REST OF SOUTHERN NEW JERSEY.

 ACS

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 15, 8:18 PM EDTSevere Thunderstorm WarningPHICape May, Cumberland57 min
Jun 15, 9:24 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Ocean51 min
Jun 16, 6:25 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem35 min
Jun 16, 6:27 PM EDTSevere Thunderstorm WarningPHICumberland63 min
Jun 16, 7:53 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Cape May, Ocean67 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.