Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 86, NWS Raleigh, NC

August 29, 1990Wilson County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Aug 29, 1990, 7:55 PM EDT for Wilson County, North Carolina. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Aug 29, 1990, 7:55 PM EDT (23:55 UTC)
Expired
Aug 29, 1990, 8:45 PM EDT
In force
50 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Wilson 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, 11.9 hours before the alert went out and 183 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 1990-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 436 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 1990-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
436 J/kg
Mixed-layer CIN
-160 J/kg
Mixed-layer LCL
1776 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
48 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 KRDU 292357
SVRRDU
NCC195-300045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
755 PM EDT WED AUG 29 1990
 
THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST NORTH CAROLINA
 
   ...WILSON COUNTY
 
AT 8 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
MOVING INTO WESTERN WILSON COUNTY FROM JOHNSTON COUNTY WHERE DIME SIZE
HAIL HAD FALLEN.
 
THE THUNDERSTORM WAS MOVING EAST AT 25 MPH AND WILL AFFECT WILSON
COUNTY THROUGH 845 PM.
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT FOR LARGE HAIL AND
DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCUR
WITH ANY THUNDERSTORM.

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

Local storm report, Aug 29, 5:19 PM EDT, 2 hours 36 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE  GREENSBORO NC
520 PM EDT WED AUG 29 1990

ATTN SELS...

245 PM EDT..1845Z  GOLFBALL SIZE HAIL IN SOUTHWEST ROCKINGHAM COUNTY.

300 PM EDT..1900Z  TREE DOWN ACROSSB ROADWAY IN SOUTHEAST GUILFORD COUNTY
     NOT FAR FROM DAMAGE THAT OCCURRED AT LAKE JUNO PARK.

RBN
Local storm report, Aug 29, 5:44 PM EDT, 2 hours 11 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
541 PM EDT WED AUG 29 1990

TIME           EVENT

532 PM EDT     TREES DOWN IN ROCKY MOUNT AREA OF EDGECOMBE
               COUNTY AND WINDS ESTIMAXTED AT 50-60 MPH IN
               THE ROANOKE RAPIDS AREA OF HALIFAX COUNTY.
               REPORTS RELAYED BY HAM RADIO WEATHER NETWORK.

KK
Local storm report, Aug 29, 5:59 PM EDT, 1 hour 56 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
554 PM EDT WED AUG 29 1990

TIME           EVENT

540 PM EDT     IN WILSON COUNTY...TREES DOWN NEAR THE INTERSECTION
               OF US 117 AND SkR 1642. TREES ALSO DOWN ON SR 1106.
               TREES DOWN AT BREWERS SPEEDWAY. INFORMATION RECEIVED
               FROM WILSON COUNTY SHERIFF DEPARTMENT.

JBP
Local storm report, Aug 29, 6:11 PM EDT, 1 hour 44 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
609 PM EDT WED AUG 29 1990

TIME           EVENT

530-600 PM EDT IN HALIFAX COUNTY...NUMEROUS TREES DOWN AND ROADS
               BLOCKED IN THE ENxFIELD AND WHITE OAK AREA. ROOF BLOWN
               A STORE IN WHITE OAK AREA.

               FROM HALIFAX COUNTY SHERIFF DEPARTMENT.

KK
Local storm report, Aug 29, 6:41 PM EDT, 1 hour 14 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
640 PM EDT WED AUG 29 1990

TIME           EVENT

610-630 PM EDT IN NORTHAMPTON COUNTY...NUMEROUS TREES DOWN ACROSS
               SEVERAL STATE ROADS.

               FROM NORTHAMPTON COUNTY SHERIFF DEPARTMENT.

KK
Local storm report, Aug 29, 7:18 PM EDT, 37 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
712 PM EDT WED AUG 29 1990

TIME           EVENT

710     PM EDT IN WESTERN NASH COUNTY...MARBLE SIZE HAIL.
        REPORTED BY NASH COUNTY SHERIFF OFFICE.

700     PM EDT IN EASTERN WAKE COUNTY...PEA SIZE HAIL REPORTED
        BY PUBLIC.

        NOTE TO SELS...HAIL TAKING PLACE IN NEWLY DEVELOPED
        TBUNDERSTORMS OVER AREAS WHERE STRONG TO SEVERE
        STORMS HAVE PREVIOSLY PASSED. ADAP SHOWS MOISTURE FLUX
        AXIS AND STREMLINE CONFLUENT ZONE ACROSS EASTERN NC
        IN WATCH # 704 AREA.

KK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 4:29 PM EDTSevere Thunderstorm WarningRAHWake31 min
Aug 29, 4:58 PM EDTSevere Thunderstorm WarningRAHNash32 min
Aug 29, 5:26 PM EDTSevere Thunderstorm WarningRAHEdgecombe, Wilson49 min
Aug 29, 5:35 PM EDTSevere Thunderstorm WarningRAHHalifax, Northampton40 min
Aug 29, 6:14 PM EDTSevere Thunderstorm WarningRAHNorthampton31 min
Aug 29, 7:43 PM EDTSevere Thunderstorm WarningRAHJohnston, Nash47 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1990Every severe thunderstorm warning in 1990

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.