Alert archive / New Jersey / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 6, NWS Philadelphia/Mount Holly

July 29, 1986Atlantic County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 29, 1986, 5:20 PM EDT for Atlantic County, Ocean County, New Jersey. It was in force for 60 min. 1 report 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
Jul 29, 1986, 5:20 PM EDT (21:20 UTC)
Expired
Jul 29, 1986, 6:20 PM EDT
In force
60 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Atlantic County, NJ, Ocean County, NJ

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jul 29, 5:25 PM EDTThunderstorm Wind 64Ocean, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 9.3 hours before the alert went out and 25 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 1986-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2023 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 1986-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
2023 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1005 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KACY 292118
SVRACY
NJC001-029-292220-

BULLETIN-IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTIC CITY NJ
520 PM EDT TUE JULY 29 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 620 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

SOUTHERN NEW JERSEY...ATLANTIC AND OCEAN.

AT 510 PM EDT RADAR  SHOWED SEVERE THUNDERSTORMS BETWEEN TUCKERTON AND
EGG HARBOR CITY. MOVEMENT WAS EAST AT 10 MILES AN HOUR.

REMEMBER..A  SEVERE THUNDERSTORM PRODUCES WINDS OF 58 MPH OR  GREATER
AND/OR HAIL 3/4 INCH OR LARGER.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PART OF NEW JERSEY
WHICH INCLUDES OCEAN COUNTY UNTIL 800 PM EDT THIS EVENING.
FXgD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 1:55 PM EDTSevere Thunderstorm WarningPHIOcean65 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 1986Every severe thunderstorm warning in 1986

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.