Alert archive / New Jersey / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 119, NWS Philadelphia/Mount Holly

November 1, 1994Hunterdon County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Nov 1, 1994, 4:40 PM EST for Hunterdon County, Warren County, New Jersey. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Nov 1, 1994, 4:40 PM EST (21:40 UTC)
Expired
Nov 1, 1994, 5:45 PM EST
In force
65 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Hunterdon County, NJ, Warren County, NJ

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.7 hours before the alert went out and 177 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, Brookhaven, NY at 12:00Z on 1994-11-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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, Brookhaven, NY at 12:00Z on 1994-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 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
17 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
515 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
146 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 
WUUS1 KPHL 012144 RRA
SVRPHL
NJC019-023-025-035-041-001-005-009-029-021-012245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTION TO CHANGE CHESTER TO CAMDEN
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
440 PM EST TUE NOV 1 1994
 
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL NEW JERSEY
 
   ...HUNTERDON COUNTY...MIDDLESEX COUNTY...MONMOUTH COUNTY
   ...SOMERSET COUNTY
 
IN NORTHWEST NEW JERSEY
 
   ...WARREN COUNTY
 
IN SOUTH NEW JERSEY
 
   ...ATLANTIC COUNTY...BURLINGTON COUNTY...CAPE MAY COUNTY
   ...OCEAN COUNTY
 
FOR MARINE INTERESTS ALONG THE ATLANTIC COAST
 
IN WEST CENTRAL NEW JERSEY
 
   ...MERCER COUNTY
 
NATIONAL WEATHER SERVICE DOPPLER RADAR WAS FOLLOWING A SQUALL LINE OF
SHOWERS AND THUNDERSTORMS EXTENDING FROM EASTERN NORTHAMPTON COUNTY
PENNSYLVANIA SOUTH THROUGH EXTREME EASTERN BUCKS COUNTY AND EASTERN
CAMDEN COUNTY NEW JERSEY.
 
WIND GUSTS TO 61 MPH HAVE JUST BEEN RECEIVED IN MOORESTOWN NEW JERSEY
(BURLINGTON COUNTY) AND HAVE GUSTED TO AROUND 55 MPH IN THE ALLENTOWN
AREA DURING THE PAST HOUR.
 
IF YOU SEE THREATENING WEATHER...HEAD INDOORS IMMEDIATELY.  AVOID MOBILE
HOMES...THE SECOND AND HIGH PROFILE AREAS OF YOUR HOME UNTIL THIS SQUALL
LINE MOVES THROUGH.
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 1, 4:40 PM ESTSevere Thunderstorm WarningPHIAtlantic, Burlington, Cape May, Ocean65 min
Nov 1, 4:40 PM ESTSevere Thunderstorm WarningPHIMercer, Middlesex, Monmouth, Somerset65 min
Nov 1, 5:05 PM ESTSevere Thunderstorm WarningPHIMorris, Sussex55 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.