Alert archive / New Jersey / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 39, NWS Philadelphia/Mount Holly

June 27, 1994Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 27, 1994, 1:14 PM EDT for Cumberland County, New Jersey. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Jun 27, 1994, 1:14 PM EDT (17:14 UTC)
Expired
Jun 27, 1994, 2:15 PM EDT
In force
61 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, 5.2 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 1994-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 935 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 1994-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
935 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
674 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KACY 271714
SVRACY
NJC011-271815-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTIC CITY NJ
114 PM EDT MON JUN 27 1994
 
THE NATIONAL WEATHER SERVICE IN ATLANTIC CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH NEW JERSEY
 
   ...CUMBERLAND COUNTY
 
AND THE ADJACENT COASTAL WATERS
 
 
AT 110 PM THIS AFTERNOON RADAR WAS OBSERVING A SEVERE THUNDERSTORM
MOVING INTO ND COUNTY NEAR MILLVILLE.
 
 
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 SHELTE>R...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 1:12 PM EDTSevere Thunderstorm WarningPHISalem33 min
Jun 27, 1:22 PM EDTSevere Thunderstorm WarningPHIGloucester38 min
Jun 27, 1:34 PM EDTSevere Thunderstorm WarningPHICamden26 min
Jun 27, 1:42 PM EDTSevere Thunderstorm WarningPHIAtlantic63 min
Jun 27, 1:48 PM EDTSevere Thunderstorm WarningPHIBurlington42 min
Jun 27, 2:57 PM EDTSevere Thunderstorm WarningPHICape May63 min
Jun 27, 3:13 PM EDTSevere Thunderstorm WarningPHICumberland62 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.