Alert archive / New Jersey / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 1, NWS Philadelphia/Mount Holly

February 21, 1986Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Feb 21, 1986, 2:45 PM EST for Atlantic 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
Feb 21, 1986, 2:45 PM EST (19:45 UTC)
Expired
Feb 21, 1986, 3:45 PM EST
In force
60 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Atlantic 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
Feb 21, 3:10 PM ESTHail 0.88Atlantic, 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, 7.8 hours before the alert went out and 12 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 1986-02-21Temperature 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°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 1986-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 224 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
481 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
224 m²/s²
0-3 km storm-relative helicity
271 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 KACY 211946 RRA
SVRACY
NJC001-212045-

BULLETIN-IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ATLANTIC CITY NJ
245 PM EST FRI FEB 21 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1025 AM EST FOR PEOPLE IN THE FOLLOWING
COUNTY OF

SOUTHERN NEW JERSEY...ATLANTIC AND THE ADJACENT COASTAL WATERS.

AT 240 PM EST PUBLIC REPORTED MARBLE SIZED HAIL OR 3/4 INCH IN
HAMMONTON NEW JERSEY.  THE STORoM WAS MOVING EAST AT 40 MPH.

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

JIK

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.