Alert archive / North Carolina / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 13, NWS Wilmington, NC

May 30, 1986Duplin County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at May 30, 1986, 6:00 PM EDT for Duplin County, North Carolina. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
May 30, 1986, 6:00 PM EDT (22:00 UTC)
Expired
May 30, 1986, 7:00 PM EDT
In force
60 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.0 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 1986-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1612 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 1986-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
1612 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
967 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
16 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 302201
SVRILM
NCC061-302300-

BULLETIN  IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE  WILMINGTON NC
600 PM EDT FRI MAY 30 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 700 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

NORTH CAROLINA...DUPLIN

AT 555 PM EDT RADAR INDICATED TWO SEVERE THUNDERSTORMS IN DUPLIN COUNTY.
ONE NEAR KENANSVILLE AND A SECOND 3 MILES SOUTH OF MAGNOLIA.  THESE
THUNDERSTORMS ARE MOVING SOUTHEAST AT 12 MILES AN HOUR.  THEY HAVE PRODUCED
STRONG WINDS AND ONE INCH HAIL AS THEY MOVED INTO THE NORTHWEST SECTION
OF THE COUNTY.
.
THESE THUNDERSTORMS WILL LIKELY CAUSE DAMAGING WINDS..LARGE HAIL..DANGEROUS
LIGHTNING AND LOCALLY HEAVY RAIN. SEEK SHELTER IMMEDIATELY.

REPORT ALL SEVERE WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY.
COUNTY AND CITY RADIO COMMUNICATIONS CENTERS ARE REQUESTED TO BROADCAST
THE TYPE AND VALID TIME OF THIS WARNING.  RELAY ITS HIGHLIGHTS TO
KEY OFFICIALS.

OSWALD

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, May 30, 4:35 PM EDT, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CAPE HATTERAS NC
430 PM EDT FRI MAY 30 1986

AT 425 PM EDT..STRONG THUNDERSTORMS CONTAINING VERY HEAVY RAINFALL
AMOUNTS AND FREQUENT LIGHTNING STRIKES WERE OVER THE SWAMPLANDS OF
WASHINGTON..TYRRELL..AND DARE COUNTIES TO THE SOUTH OF THE ALBEMARLE
SOUND.  OTHER STRONG THUNDERSTORMS WERE ALONG THE MOUTH OF THE PAMLICO
RIVER BETWEEN BAYBORO AND BELHAVEN.  THUNDERSTORMS WERE ALSO HALIFAX
AND NORTHHAMPTON COUNTIES SOUTH OF ROANOKE RAPIDS.

BOATERS ALONG THE INTERCOASTAL WATERWAY USING THE ALLIGATOR RIVER
SHOULD SEEK SAFE HARBOR. THESE THUNDERSTORMS WILL CONTAIN FREQUENT
LIGHTNING STRIKES AND VISIBILITY WILL REDUCE TO AROUND ZERqO.

RADAR INDICATED THAT THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS
MANY PORTIONS OF EASTERN NORTH CAROLINA THROUGH THIS AFTERNOON.

BT
Special weather statement, May 30, 5:31 PM EDT, 29 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CAPE HATTERAS NC
530 PM EDT FRI MAY 30 1986

AT 525 PM EDT..STRONG THUNDERSTORMS CONTAINING VERY HEAVY RAINFALL
AMOUNTS AND FREQUENT LIGHTNING STRIKES CONTINUED TO DEVELOP OVER
PORTIONS OF EASTERN NORTH CAROLINA AND SOUTHEAST VIRGINIA.

MOST OF THE THUNDERSTORMS WERE AROUND THE ALBEMARLE SOUND REGION
WITH THE STRONGEST THUNDERSTORMS REACHING FROM NEAR PLYMOUTH..TO
ROPER..TO CRESWELL. OTHER STRONG THUNDERSTORMS WERE JUST SOUTH OF
ELIZABETH CITY.

TORRENTIAL RAINS...FREQUENT DANGEROUS LIGHTNING STRIKES...AND
POSSIBLY HAIL WILL ACCOMPANY THESE THUNDERSTORMS. AS THE THUNDERSTORMS
WERE SHOWING LITTLE SIGNS OF MOVEMENT...FLOODING OF LOW LYING AREAS
WILL BE LIKELY THIS AFTERNOON.

BT

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 4:50 PM EDTSevere Thunderstorm WarningILMSampson55 min
May 30, 5:10 PM EDTSevere Thunderstorm WarningILMDuplin50 min
May 30, 6:20 PM EDTSevere Thunderstorm WarningILMSampson55 min
May 30, 6:55 PM EDTSevere Thunderstorm WarningILMBladen50 min
May 30, 7:10 PM EDTSevere Thunderstorm WarningILMColumbus65 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; the sounding from the Mesonet's radiosonde archive.