Alert archive / New Jersey / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 55, NWS Philadelphia/Mount Holly

June 30, 1994Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 30, 1994, 5:03 PM EDT for Cumberland County, New Jersey. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jun 30, 1994, 5:03 PM EDT (21:03 UTC)
Expired
Jun 30, 1994, 5:45 PM EDT
In force
42 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Cumberland County, NJ

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 9.1 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 1994-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 77 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 1994-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 square meters per square second.19395878Sfc1 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
77 J/kg
Mixed-layer CIN
-160 J/kg
Mixed-layer LCL
1014 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
116 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 KACY 302103 RRA
SVRACY
NJC011-302145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTIC CITY NJ
503 PM EDT THU JUN 30 1994
 
THE NATIONAL WEATHER SERVICE IN ATLANTIC CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH NEW JERSEY
 
   ...CUMBERLAND COUNTY
 
AND THE ADJACENT COASTAL WATERS
 
 
AT 500 PM EDT...WEATHER RADAR SHOWED A SEVERE THUNDERSTORM MOVING ACROSS
THE DELAWARE BAY TOWARD MILLVILLE AND VINELAND IN CUMBERLAND COUNTY.
THIS STORM WILL THIS AREA WITHIN THE NEXT 30 MINUTES. THIS STORM HAS A
HISTORY OF PRODUCING SMALL HAIL AND WIND GUSTS EXCEEDING 55 MILES AN
HOUR.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY S8O
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
CHIELLINI/MCDONALD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 9:26 PM EDTSevere Thunderstorm WarningPHICamden49 min
Jun 29, 9:26 PM EDTSevere Thunderstorm WarningPHIGloucester39 min
Jun 29, 9:50 PM EDTSevere Thunderstorm WarningPHIBurlington40 min
Jun 29, 10:19 PM EDTSevere Thunderstorm WarningPHIOcean41 min
Jun 30, 5:43 PM EDTSevere Thunderstorm WarningPHIMercer47 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 1994Every severe thunderstorm warning in 1994

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.