Alert archive / North Carolina / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 63, NWS Wilmington, NC

July 21, 1986Duplin County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Jul 21, 1986, 3:31 PM EDT for Duplin County, North Carolina. It was in force for 59 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 21, 1986, 3:31 PM EDT (19:31 UTC)
Expired
Jul 21, 1986, 4:30 PM EDT
In force
59 min
Issued by
NWS Wilmington, NC
Area
Whole counties

County Duplin County, NC

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 21, 3:45 PM EDTThunderstorm Wind 0Duplin, NC

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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.5 hours before the alert went out and 219 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, Greensboro/Hi Pt, NC at 12:00Z on 1986-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 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, Greensboro/Hi Pt, NC at 12:00Z on 1986-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939Sfc1 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
42 J/kg
Mixed-layer CIN
-230 J/kg
Mixed-layer LCL
1815 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
29 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 KILM 211931
SVRILM
NCC061-212030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
331 PM EDT MON JUL 21 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 430 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

NORTH CAROLINA...DUPLIN

AT 328 THIS AFTERNOON THE WILMINGTON RADAR INDICATED A SEVERE
THUNDERSTORM 5 MILES SOUTHEAST OF KENNASNVILLE. THE STORM IS
MOVING SOUTHEAST AROUND 5 MILES AN HOUR.

PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT FOR THE POSSIBILITY
OF LARGE HAIL...DAMAGING WINDS...FREQUENT LIGHTNING AND LOCALLY HEAVY
RAIN. REPORT ANY SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY.

 JENSKI

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 21, 2:47 PM EDT, 44 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WILMINGTON NC
245 PM EDT MON JUL 21 1986

VERY HEAVY THUNDERSTORMS ARE DEVELOPING OVER EASTERN NORTH
CAROLINA.

AT 230 THIS AFTERNOON NUMEROUS THUNDERSTORMS DEVELOPED OVER THE
COASTAL AREA BETWEEN 10 AND 20 MILES INLAND FROM THE COAST NEAR
HOLLY RIDGE TO ATLANTIC. ANOTHER AREA OF NUMEROUS VERY HEAVY
THUNDERSTORMS WAS OVER THE SANDHILLS NORTHEAST OF FAYETTEVILLE
NEAR GODWIN TO NORTHWEST OF FAYETTEVILLE NEAR SOUTHERN PINES.
AND SCATTERED THUNDERSTORMS WERE OVER THE COASTAL PLAINS OVER SAMPSON
AND DUPLIN COUNTIES.

THE STORMS ARE PRODUCING DANGEROUS LIGHTNING AND HEAVY RAIN. THEY MAY
ALSO PRODUCE GUSTY WINDS. PERSONS  NEAR THESE STORMS SHOULD SEEK
SHELTER FROM THE LIGHTNING. MOTORISTS ARE ADVISED TO USE CAUTION.
THE STORMS ARE STATIONARY AND WILL LIKELY CAUSE SHALLOW FLOODING AND
PONDING OF WATER ESPECIALLY IN LOW LYING AREAS.
BJ

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 21, 3:04 PM EDTSevere Thunderstorm WarningILMSampson56 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 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.