Alert archive / New Jersey / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 46, NWS Philadelphia/Mount Holly

June 12, 1996Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 12, 1996, 6:14 PM EDT for Burlington County, New Jersey. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 12, 1996, 6:14 PM EDT (22:14 UTC)
Expired
Jun 12, 1996, 7:15 PM EDT
In force
61 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Burlington County, NJ

The radar

The Philadelphia radar (KDIX), 23 km from the middle of the area, began a volume at 22:17 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.2 hours before the alert went out and 131 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, Phillips Aaf/Abe, MD at 12:00Z on 1996-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 801 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, Phillips Aaf/Abe, MD at 12:00Z on 1996-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
801 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
635 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPHL 122212
SVRPHL
NJC005-122315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
614 PM EDT WED JUN 12 1996
 
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  NEW JERSEY
 
   ...NORTHWESTERN BURLINGTON COUNTY
 
AT 610 PM NATIONAL WEATHER SERVICE DOPPLER RADAR IN MOUNT HOLLY
NJ INDICATED A SEVERE THUNDERSTORM IN SOUTHERN BUCKS COUNTY MOVING
SLOWLY NORTHEAST AT APPROXIMATELY 20 MPH.  THIS STORM WILL BE
MOVING INTO NORTHWEST BURLINGTON COUNTY NJ BY 615 PM.  THIS STORM
HAS A HISTORY OF PRODUCING GOLF BALL SIZE HAIL...STRONG WINDS...
AND TORENTIAL DOWNPOURS.
 
 
THIS IS A DANGEROUS STORM.  PREPARE FOR STRONG DAMAGING WINDS...
LARGE HAIL...HEAVY RAINS AND DEADLY LIGHTNING.  SHOULD THE STORM
APPROACH MOVE INSIDE QUICKLY. DO NOT STAND NEAR WINDOWS.  MOBILE
HOMES ARE MOST VULNERABLE TO HIGH WINDS AND SHOULD BE AVOIDED.
 
HEAVY RAINS WITH THIS THUNDERSTORM MAY CAUSE FLOODING OF SMALL
STREAMS AND UNDERPASSES VERY QUICKLY.  DO NOT DRIVE YOUR CAR INTO
AREAS WHERE THE WATER COVERS THE ROADWAY.  THE WATER MA&Y BE DEEPER
THAN YOU THINK.  IF CAUGHT IN RISING WATERS...ABANDON YOUR CAR
QUICKLY.  MOVE TO HIGHER GROUND.
 
TFG/JJM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 2:38 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean62 min
Jun 12, 4:46 PM EDTSevere Thunderstorm WarningPHIHunterdon49 min
Jun 12, 5:06 PM EDTSevere Thunderstorm WarningPHIMercer, Somerset64 min
Jun 12, 6:05 PM EDTSevere Thunderstorm WarningPHIMiddlesex55 min
Jun 12, 6:07 PM EDTFlash Flood WarningPHIMercer2 hr
Jun 12, 7:15 PM EDTFlash Flood WarningPHIMercer3 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 1996Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.