Alert archive / New Jersey / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 13, NWS Philadelphia/Mount Holly

April 30, 1996Morris County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 30, 1996, 5:24 PM EDT for Morris County, Somerset County, New Jersey. It was in force for 36 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 30, 1996, 5:24 PM EDT (21:24 UTC)
Expired
Apr 30, 1996, 6:00 PM EDT
In force
36 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Morris County, NJ, Somerset County, NJ

What was reported inside it

TimeReportWhereRemark
Apr 30, 5:30 PM EDTThunderstorm WindCentral/Northern, NJ
Apr 30, 5:42 PM EDTThunderstorm WindRockaway, NJ

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.4 hours before the alert went out and 145 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 1996-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Brookhaven, NY at 12:00Z on 1996-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
463 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
96 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 KPHL 302127
SVRPHL
NJC027-035-302200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
524 PM EDT TUE APR 30 1996
 
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  NEW JERSEY
 
   ...SOUTHEASTERN MORRIS COUNTY...NORTHERN SOMERSET COUNTY
 
 
A SEVERE THUNDERSTORM...THAT EARLIER TODAY PRODUCED WIND DAMAGE IN
BUCKS COUNTY PENNSYLVANIA WAS REINTENSIFYING ACROSS WESTERN SOMERSET
COUNTY.  THIS WILL MOVE ACROSS THE COUNTY BY 545 PM AND HIT THE
NORTHERN PART OF THE COUNTY THE HARDEST BEFORE ENTERING SOUTHEAST MORRIS
COUNTY.  IN ADDITION A FLOOD WATCH IS IN EFFECT.  SMALL STREAMS COULD
RISE QUICKLY.
 
THIS IS A DANGEROUS STORM.  PREPARE FOR STRONG DAMAGING WINDS...
LARGE HAIL...HEAVY RAINS AND DEADLY LIGHTNING.  SHOULD THE STORM
APPROACH MOVE INSIDE QUICKLY. DpO NOT STAND NEAR WINDOWS.  MOBILE
HOMES ARE MOST VULNERABLE TO HIGH WINDS AND SHOULD BE AVOIDED.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 4:31 PM EDTSevere Thunderstorm WarningPHIHunterdon29 min
Apr 30, 4:39 PM EDTSevere Thunderstorm WarningPHIGloucester36 min
Apr 30, 5:33 PM EDTSevere Thunderstorm WarningPHICumberland27 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.