Alert archive / New Jersey / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 9, NWS New York, NY

May 12, 1994Middlesex County, Somerset County, Union County, New Jersey

NWS New York, NY issued this severe thunderstorm warning at May 12, 1994, 1:23 PM EDT for Middlesex County, Somerset County, Union County, New Jersey. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
May 12, 1994, 1:23 PM EDT (17:23 UTC)
Expired
May 12, 1994, 2:25 PM EDT
In force
62 min
Issued by
NWS New York, NY
Area
Whole counties

Counties Middlesex County, NJ, Somerset County, NJ, Union County, NJ

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 5.4 hours before the alert went out and 123 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 1994-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 19 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 1994-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 220 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
19 J/kg
Mixed-layer CIN
-119 J/kg
Mixed-layer LCL
717 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
220 m²/s²
0-3 km storm-relative helicity
264 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 KNYC 121726
SVRNYC
NJC035-023-039-121830-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
123 PM EDT THU MAY 12 1994
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  230 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL NEW JERSEY
 
   ...SOMERSET COUNTY
 
IN NORTHEAST NEW JERSEY
 
   ...MIDDLESEX COUNTY...UNION COUNTY
 
...AND ADJACENT COASTAL WATERS.
 
 
A LINE OF VERY STRONG THUNDERSTORMS WILL MOVE ACROSS THE WARNED AREA
WITH THE NEXT 45 MINUTES TO ONE HOUR. DAMAGING WINDS AND LARGE HAIL MAY
BE ASSOCIATED WITH THESE STORM ALONG WITH TORRENTIAL RAINS AS THEY MOVE
EASTWARD AT ABOUT 40 MILES AN HOUR.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 12, 12:32 PM EDTSevere Thunderstorm WarningOKXSussex43 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.