Alert archive / New Jersey / Severe Thunderstorm Warnings in 1988
Severe Thunderstorm Warning 11, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 23, 1988, 9:32 PM EDT for Camden County, Gloucester County, New Jersey. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- May 23, 1988, 9:32 PM EDT (01:32 UTC)
- Expired
- May 23, 1988, 10:15 PM EDT
- In force
- 43 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Camden County, NJ, 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 00:00Z, 1.5 hours before the alert went out and 58 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
- 1456 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 803 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KPHL 240132
SVRPHL
NJC007-005-015-240215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA PA
932 PM EDT MON MAY 23 1988
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1015 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE SOUTHWEST PART OF NEW JERSEY
CAMDEN...WESTERN BURLINGTON...NORTHERN GLOUCESTER
AT 930 PM EDT RADAR INDICATED A SEVERE THUNDERSTORM MOVING
INTO GLOUCESTER AND CAMDEN COUNTIES. THE THUNDERSTORM WAS
MOVING EAST AT 20 MPH.
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. SHOULD 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
PENNSYLVANIA AND SOUTHERN NEW JERSEY UNTIL 11 PM EDT.
HEAVY RAINS WITH THIS THUNDERSTORM MAY CAUSE FLOODING
OF SMALL STREAMS AND UNDERPASSES.
RNSWhat 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, May 23, 8:01 PM EDT, 1 hour 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHILADELPHIA, PA 751 PM EDT MON MAY 23 1988 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 11 PM EDT FOR THE PHILADELPHIA METROPOLTAN AREA... AT 750 PM EDT...NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF SHOWERS AND EMBEDDED THUNDERSTORMS FROM HARRISBURG TO WASHINGTON DC. THE HEAVIEST THUNDERSTORMS WERE OVER MARYLAND. THE SHOWERS AND THUNDERSTORMS WILL MOVE EAST DURING THE NEXT COUPLE OF HOURS REACHING CHESTER COUNTY BY 9 PM. ALTHOUGH THUNDERSTORMS TEND TO WEAKEN AFTER SUNSET...THE THUNDERSTORMS OVER MARYLAND COULD CONTAIN STRONG GUSTY WINDS...HAIL AND VERY HEAVY RAINS. THE NORTHERN EDGE OF THE MARYLAND THUNDERSTORMS COULD REACH PHILADELPHIA AND NEARBY COUNTIES IN SOUTHEASTERN PENNSYLVANIA AND SOUTHERN NEW JERSEY BETWEEN 9 PM AND 11 PM. RNS RNS
Special weather statement, May 23, 8:09 PM EDT, 1 hour 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHILADELPHIA, PA 808 PM EDT MON MAY 23 1988 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 11 PM EDT FOR THE PHILADELPHIA METROPOLTAN AREA... AT 750 PM EDT...NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF SHOWERS AND EMBEDDED THUNDERSTORMS FROM HARRISBURG TO WASHINGTON DC. THE HEAVIEST THUNDERSTORMS WERE OVER MARYLAND. THE SHOWERS AND THUNDERSTORMS WILL MOVE EAST DURING THE NEXT COUPLE OF HOURS REACHING CHESTER COUNTY BY 9 PM. ALTHOUGH THUNDERSTORMS TEND TO WEAKEN AFTER SUNSET...THE THUNDERSTORMS OVER MARYLAND COULD CONTAIN STRONG GUSTY WINDS...HAIL AND VERY HEAVY RAINS. THE NORTHERN EDGE OF THE MARYLAND THUNDERSTORMS COULD REACH PHILADELPHIA AND NEARBY COUNTIES IN SOUTHEASTERN PENNSYLVANIA AND SOUTHERN NEW JERSEY BETWEEN 9 PM AND 11 PM. RNS
Special weather statement, May 23, 8:30 PM EDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON DE 830 PM EDT MON MAY 23 1988 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 11 PM EDT FOR DELAWARE... AT 825 EDT WEATHER RADAR SHOWS AN AREA OF SHOWERS WITH EMBEDDED THUNDER STORMS...EXTENDING SOUTH FROM NEAR READING PENNSYLVANIA...TO NEAR THE DISTRICT OF COLUMBIA. THIS AREA OF SHOWERS AND THUNDERSTORMS IS MOVING EAST...AND ARE EXPECTED TO REACH NORTHERN DELAWARE BEFORE 9 EVENING. THE SHOWERS AND THUNDERSTORMS ARE MOVING EAST SLOWLY...AND SOME HEAVY RAIN MAY BE EXPECTED IN SOME AREAS OF NEW CASTLE COUNTY. SINCE RAINFALL WAS QUITE SIGNIFICANT DURING THE LATTER PART OF LAST WEEK...THE GROUND WILL ALREADY BE QUITE SATURATED...AND ADDITIONAL HEAVY RAIN MAY CAUSE RAIN WATER RUN-OFF TO SMALL STREAMS AND LOW LYING AREA. PEOPLE LIVING IN AREAS OF NORTHERN DELAWARE SUSCEPTIBLE TO FLOODING SHOULD BE ESPECIALLY ALERT FOR HEAVY RAINFALL OVER TIME...WHICH MIGHT CAUSE A THREAT TO LIFE AND PROPERTY. THE THUNDERSTORMS WILL BE ACCOMPANIED BY DANGEROUS LIGHTNING..AND MAY CONTAIN HAIL. LATER STATEMENTS WILL BE RELEASED BY THIS OFFICE AS CONDITIONS WARRANTS. JFS
Special weather statement, May 23, 8:36 PM EDT, 56 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATLANTIC CITY NJ 845 PM EDT MON MAY 23 1988 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 11 PM EDT... RADAR SHOWED A VERY HEAVY THUNDERSTORM IN THE VICINITY OF NEW YORK CITY. A LINE OF VERY HEAVY THUNDERSTORMS EXTENDED FROM CARBON COUNTY IN PENNSYLVANIA SOUTHWARD TO SOUTHERN MARYLAND. THESE THUNDERSTORMS COULD PRODUCE HAIL...STRONG GUSTY WINDS AND HEAVY RAIN. THE PRECIPITATIO#N WAS MOVING TO THE EAST AT ABOUT 25 MILES AN HOUR. VMN
Special weather statement, May 23, 8:44 PM EDT, 48 minutes before
ABPA-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALLENTOWN PA
840 PM EDT MON MAY 23 1988
...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 11 PM EDT FOR EAST
CENTRAL PENNSYLVANIA...
...VERY HEAVY THUNDERSTORM APPROAHING BERKS COUNTY...
AT 840 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A VERY
HEAVY THUNDERSTORM APPROAHING THE SOUTHWESTERN PORTION OF BERKS
COUNTY. THE STORM IS MOVING EASTNORTHEAST AND WILL CROSS SOUTHERN
BERKS COUNTY IN THE NEXT HOUR. THIS STORM MAY CONTAIN HAIL...STRONG
GUSTY WINDS AND DANGEROUS LIGHTNING.
PEOPLE LIVING IN SOUTHERN BERKS COUNTY SHOULD SEEK SHELTER WHEN THIS
STORM ARRIVES.
$$DOVICO
%Special weather statement, May 23, 9:02 PM EDT, 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHILADELPHIA, PA 905 PM EDT MON MAY 23 1988 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 11 PM EDT FOR SOUTHEASTERN PENNSYLVANIA AND SOUTHERN NEW JERSEY... ...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE SUSQUEHANNA VALLEY...THE LEHIGH VALLEY AND THE POCONOS... THE STRONGEST THUNDERSTORMS HAVE MOVED INTO SOUTHEASTERN PENNSYLVANIA AND EASTERN MARYLAND. HOWEVER...SCATTERED SHOWERS AND THUNDERSTORMS STILL LINGERED THROUGH THE LOWER SUSQUEHANNA VALLEY AND LEHIGH VALLEY AT 9 PM EDT. THE FRONT EDGE OF THE STRONG THUNDERSTORMS WERE MOVING INTO CHESTER COUNTY PENNSYLVANIA AND THE STATE OF DELAWARE AT 9 PM. THE THUNDERSTORMS WERE MOVING EAST AT 20 MPH AND WILL SPREAD THROUGH SOUTHEASTERN PENNSYLVANIA BY 10 PM AND INTO SOUTHERN NEW JERSEY BY 11 PM. SOME OF THE THUNDERSTORMS COULD HAVE STRONG GUSTY WINDS AND HAIL AS AS THEY MOVE THROUGH THE PHILADELPHIA METROPOLITAN AREA. HEAVY ERAINS WILL ACCOMPANY SOME OF THE THUNDERSTORMS AND FLOODING IS POSSIBLE IN AREAS OF POOR DRAINAGE. RNS
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 9:32 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 43 min |
| May 23, 10:21 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 39 min |
| May 24, 7:09 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland | 66 min |
| May 24, 7:32 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May | 58 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; the sounding from the Mesonet's radiosonde archive.