Alert archive / New Jersey / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 46, NWS Philadelphia/Mount Holly

August 29, 1988Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 29, 1988, 4:39 PM EDT for Cumberland County, New Jersey. It was in force for 66 min. 1 report 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 29, 1988, 4:39 PM EDT (20:39 UTC)
Expired
Aug 29, 1988, 5:45 PM EDT
In force
66 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Cumberland 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
Aug 29, 4:45 PM EDTThunderstorm Wind 0Cumberland, 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, 8.7 hours before the alert went out and 56 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 1988-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 327 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 1988-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
327 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
705 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KACY 292040
SVRACY
NJC011-292145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTIC CITY NJ
439 PM EDT MON AUG 29 1988
 
THE NATIONAL WEATHER SERVICE IN ATLANTIC CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH NEW JERSEY
          ...CUMBERLAND
 
AT 430 PM WEATHER SERVICE RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS
EXTENDING FROM CUMBERLAND COUNTY SOUTHWEST ACROSS THE DELAWARE BAY AND
INTO CENTRAL DELAWARE. THESE STORMS HAVE PRODUCED WIND GUSTS TO 50 MPH
AS THEY CROSSED THROUGH SALEM COUNTY AND ARE MOVING EAST-NORTHEAST AT
30 MPH.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

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, Aug 29, 11:00 AM EDT, 5 hours 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHILADELPHIA PA
1100 AM EDT MON AUG 29 1988

...THE REMAINS OF TROPICAL STORM CHRIS MOVING NORTH...

AT 10 AM EDT...THE REMAINS OF TROPICAL STORM CHRIS WAS LOCATED IN
NORTHERN VIRGINIA.  THIS SYSTEM WAS MOVING TOWARDS THE NORTH AT
30 TO 35 MILES AN HOUR...AND WAS EXPECTED TO CONTINUE ACCELERATING
AS IT MOVES NORTHEASTWARD.

SO FAR THE HEAVIEST RAINS HAVE FALLEN ACROSS PORTIONS OF NORTH CENTRAL
PENNSYLVANIA...WHERE 3 TO 5 INCHES OF RAIN HAVE FALLEN.  ADDITIONAL
HEAVY RAIN IS EXPECTED THIS AFTERNOON...AND SO A SMALL STREAM FLOOD
WATCH IS IN EFFECT FOR PARTS OF THIS AREA.

RADAR INDICATES THAT HEAVY RAIN IS FALLING ACROSS NORTHEAST MARYLAND
AND PORTIONS OF NORTHERN AND CENTRAL DELAWARE INTO SALEM AND
CUMBERLAND COUNTIES OF SOUTHERN NEW JERSEY.  THIS RAIN AREA CONTINUES
TO MOVE TOWARDS THE NORTHEAST BETWEEN 30 AND 35 MILES AN HOUR.
RAIN WILL CONTINUE ACROSS THE METROPOLITAN PHILADELPHIA AREA THIS
AFTERNOON.  SOME OF THAT RAIN WILL BE HEAVY...AND FLOODING OF POOR
DRAINAGE AREAS AND LOW LYING SPOTS ARE POSSIBLE.  MOTORISTS ARE URGED
TO EXERCISE CAUTION WHILE DRIVING THROUGH HEAVY RAIN AREAS...AND
REMEMBER NOT TO DRIVE THROUGH FLOOVDED AREAS.

JWH
Special weather statement, Aug 29, 11:38 AM EDT, 5 hours 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON DE
1135 AM EDT MON AUG 29 1988

REMNANTS OF T.S. CHRIS NEAR THE WASHINGTON D. C. AREA AND
SPREADING RAIN OVER A LARGE AREA OF THE EASTERN SEABOARD.

AT THIS TIME RAIN IS FALLING OVER MUCH OF DELAWARE EXCEPT
SOUTHEAST SUSSEX COUNTY. SOME HEAVY PATCHES OF RAIN ARE OCCURING
FROM CENTRAL KENT COUNTY NORTHWARD INTO SOUTHERN NEW CASTLE COUNTY.

FOR THIS AFTERNOON RAIN...HEAVY IN SOME LOCATIONS...WILL BE
TAPERING TO SCATTERED SHOWERS AND THUNDERSTORMS. THE HEAVY RAIN
WILL CAUSE SOME HIGHWAY AND STREET FLOODING IN AREAS OF POOR
DRAINAGE. SOME THUNDERSTORMS COULD DEVELOP WITH STRONG GUSTY
WINDS IN SUSSEX COUNTY LATER THIS AFTERNOON. OTHERWISE NO
PROBLEMS ARE EXPECTED FROM THIS SYSTEM. EXCEPT IN TUNDERSTORMS
WINDS ARE EXPECTED TO BE SOUTHERLY 15 TO 25 MPH AND GUSTY.

NO ADDITIONAL STATEMENTS ARE EXPECTED TO BE REQUIRED FOR THIS SYSTEM.
 CKD

@
Special weather statement, Aug 29, 1:19 PM EDT, 3 hours 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON DE
120 PM EDT MON AUG 29 1988

RAIN...HEAVY IN SOME LOCATIONS CONTINUES OVER THE NORTHERN
TWO THIRDS OF DELAWARE AS THE REMNANTS OF T.S CHRIS MOVES
THRU NORTHEAST MARYLAND.

WINDS OVER THE FIRST STATE HAVE BEGUN TO PICK UP AND WILL
BECOME SOMEWHAT BRISK AND GUSTY FOR THE REMAINDER OF THE
AFTERNOON IN MANY LOCATIONS. SOUTHERLY WINDS CAN BE EXPECTED TO
INCREASE TO 20 TO 30 MPH WITH SOME GUST TO AROUND 40 MPH.

BOATERS ON THE BAY SHOULD TAKE NOTE AND SEEK SAFE HARBOR UNTIL
THE WINDS DIMINISH LATE THIS AFTERNOON OR EVENING.

CKD

                                                           \
                                                                         ]
Special weather statement, Aug 29, 4:30 PM EDT, 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON DE
430 PM EDT MON AUG 29 1988

...SOME THUNDERSTORMS WITH HEAVY RAIN AND STRONG GUSTY WINDS IN DELAWARE...

AT 415 PM WEATHER RADAR SHOWED A THUNDERSTORM WITH HEAVY RAIN ON THE
DELAWARE/MARYLAND STATE LINE JUST NORTHWEST OF HARRINGTON.
IT IS MOVING TOWARD THE EAST NORTHEAST AT 35 MPH AND WILL BE MOVING
THROUGH SOUTHERN KENT COUNTY OF DELAWARE DURING THE HOUR. SOME BRIEF WIND
GUSTS TO NEAR 50 MPH...HEAVY RAIN AND DANGEROUS LIGHTNING ARE POSSIBLE
WITH THIS STORM. PERSONS IN KENT COUNTY SHOULD TAKE NECESSARY PRECAUTIONS.
CS

                                                                         ]
Special weather statement, Aug 29, 4:38 PM EDT, 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHILADELPHIA, PA
438 PM EDT MON AUG 29 1988

...STRONG THUNDERSTORMS TO MOVE THROUGH SOUTHEASTERN SALEM COUNTY
   NEW JERSEY INTO CUMBERLAND COUNTY...

     AT 430 PM WEATHER SERVICE RADAR SHOWED A LINE OF STRONG
THUNDERSTORMS FROM SOUTHEASTERN SALEM COUNTY NEW JERSEY TO WESTERN
CUMBERLAND COUNTY ACROSS THE NORTHERN PART OF DELAWARE BAY INTO
CENTRAL DELAWARE.  THESE THUNDERSTORMS CONTAIN STRONG GUSTY WINDS
AND LOCALLY HEAVY RAIN.  WIND GUSTS TO 50 MPH WERE REPORTED EARLIER
AS THE LINE MOVED THROUGH ELMER NEW JERSEY.

     IF THREATENING WEATHER IS SIGHTED MOVE INDOORS IF POSSIBLE.

SP

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 5:08 PM EDTSevere Thunderstorm WarningPHIAtlantic67 min
Aug 29, 5:42 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean93 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.