Alert archive / New Jersey / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 14, NWS Philadelphia/Mount Holly

June 2, 1989Gloucester County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 2, 1989, 1:55 PM EDT for Gloucester County, New Jersey. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Jun 2, 1989, 1:55 PM EDT (17:55 UTC)
Expired
Jun 2, 1989, 2:45 PM EDT
In force
50 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Gloucester County, NJ

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 5.9 hours before the alert went out and 63 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 1989-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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 1989-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
18 J/kg
Mixed-layer CIN
-195 J/kg
Mixed-layer LCL
1630 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
46 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 021757
SVRPHL
NJC015-021845-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA PA
155 PM EDT FRI JUN 2 1989
 
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH NEW JERSEY
          ...GLOUCESTER
 
NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
IN THE NORTHWEST PORTION OF SALEM COUNTY MOVING TOWARDS THE EAST
AT AROUND 30 MILES AN HOUR.  THIS THUNDERSTORM WILL BUILD TOWARDS
THE NORTH AND MOVE ACROSS MAINLY SOUTHERN PORTIONS OF GLOUCESTER
COUNTY.
 
WIND GUSTS TO 62 MILES AN HOUR AND GOLF BALL SIZE HAIL HAVE
ALREADY BEEN REPORTED WITH THIS THUNDERSTORM IN SALEM COUNTY.
 
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 YOU3...SEEK
IMMEDIATE SHELTER.  MOBILE HOMES ARE MOST VULNERABLE TO HIGH WINDS
AND SHOULD BE AVOIDED.
 
HASKO

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 2, 10:58 AM EDT, 2 hours 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHILADELPHIA, PA
1056 AM EDT FRI JUN 02 1989

...THUNDERSTORM POTENTIAL STATEMENT FOR EASTERN PENNSYLVANIA AND
SOUTHERN NEW JERSEY...

A NEARLY STATIONARY FRONT FROM NORTHERN NEW YORK STATE THROUGH WESTERN
PENNSYLVANIA INTO SOUTHEASTERN OHIO WILL DRIFT SLOWLY EAST AND SOUTH
TODAY. THUNDERSTORMS CAN BE EXPECTED THIS AFTERNOON INTO THIS EVENING
IN THE WARM HUMID AND UNSTABLE AIRMASS AHEAD OF THE FRONT.

THE STRONGEST THUNDERSTORMS CAN BE EXPECTED SOUTH AND EAST OF A LINE FROM
WILKES-BARRE SCRANTON TO HARRISBURG. A FEW OF THESE THUNDERSTORMS CAN
CONTAIN STRONG GUSTY WINDS...LARGE HAIL...HEAVY DOWNPOURS AND DANGEROUS
LIGHTNING.

EXPECTED THUNDERSTORM MOVEMENT WILL BE TOWARDS THE EAST AT AROUND
30 MILES AN HOUR. MOST THUNDERSTORMS SHOULD MOVE OFF THE NEW JERSEY
COAST BY 9 PM.
Special weather statement, Jun 2, 1:47 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATLANTIC CITY NJ
230 PM EDT FRI JUNE 2 1989

...A SEVERE THUNDERSTORM  WATCH IS IN EFFECT UNTIL 8 PM FRIDAY EVENING
FOR ALL THE COUNTIES IN SOUTHERN NEW JERSEY AND ADJACENT WATERS...

THUNDERSTORMS WITH VERY HEAVY RAIN WERE IN EASTERN PENNSYLVANIA BETWEEN
ALLENTOWN AND PHILADELPHIA. IN SOUTHWEST NEW JERSEY A THUNDERSTORM WITH HEAVY
RAIN AND HAIL WAS IN SALEM COUNTY.  AT THEIR PRESENT MOVEMENT THE THUNDERSTORMS
WILL MOVE INTO MERCER COUNTY AND GLOUCESTER COUNTIES.  THESE STORMS ARE CAPABLE
OF PRODUCING STRONG WINDS AND HAIL IN ADDITION TO THE VERY HEAVY RAIN.
OTHER SHOWERS AND THUNDERSTORMS WERE IN NORTHERN NEW JERSEY.

ALL THE PRECIPITATION WAS MOVING TO THE EAST AT 35 TO 40 MILES AN HOUR.

REMEMBER..A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.  PERSONS IN THIS AREA
SHOULD BE ALERT FOR THREA&TENING CONDITIONS AND STAY TUNED TO NOAA WEATHE
RADIO OR YOUR LOCAL RADIO OR TV FOR FURTHER STATEMENTS OR WARNINGS.
WPA
Special weather statement, Jun 2, 1:48 PM EDT, 7 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATLANTIC CITY NJ
230 PM EDT FRI JUNE 2 1989

...A SEVERE THUNDERSTORM  WATCH IS IN EFFECT UNTIL 8 PM FRIDAY EVENING
FOR ALL THE COUNTIES IN SOUTHERN NEW JERSEY AND ADJACENT WATERS...

THUNDERSTORMS WITH VERY HEAVY RAIN WERE IN EASTERN PENNSYLVANIA BETWEEN
ALLENTOWN AND PHILADELPHIA. IN SOUTHWEST NEW JERSEY A THUNDERSTORM WITH HEAVY
RAIN AND HAIL WAS IN SALEM COUNTY.  AT THEIR PRESENT MOVEMENT THE THUNDERSTORMS
WILL MOVE INTO MERCER COUNTY AND GLOUCESTER COUNTIES.  THESE STORMS ARE CAPABLE
OF PRODUCING STRONG WINDS AND HAIL IN ADDITION TO THE VERY HEAVY RAIN.
OTHER SHOWERS AND THUNDERSTORMS WERE IN NORTHERN NEW JERSEY.

ALL THE PRECIPITATION WAS MOVING TO THE EAST AT 35 TO 40 MILES AN HOUR.

REMEMBER..A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.  PERSONS IN THIS AREA
SHOULD BE ALERT FOR THREA'TENING CONDITIONS AND STAY TUNED TO NOAA WEATHE
RADIO OR YOUR LOCAL RADIO OR TV FOR FURTHER STATEMENTS OR WARNINGS.
BC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 1:30 PM EDTSevere Thunderstorm WarningPHISalem60 min
Jun 2, 2:06 PM EDTSevere Thunderstorm WarningPHIOcean69 min
Jun 2, 4:24 PM EDTSevere Thunderstorm WarningPHIOcean66 min
Jun 2, 4:24 PM EDTSevere Thunderstorm WarningPHICape May66 min
Jun 2, 4:28 PM EDTSevere Thunderstorm WarningPHIBurlington47 min
Jun 2, 4:59 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cumberland76 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; the sounding from the Mesonet's radiosonde archive.