Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 69, NWS Raleigh, NC

July 11, 1990Wilson County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 11, 1990, 7:50 PM EDT for Wilson County, North Carolina. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Jul 11, 1990, 7:50 PM EDT (23:50 UTC)
Expired
Jul 11, 1990, 8:45 PM EDT
In force
55 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, 11.8 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 1990-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 889 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 1990-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
889 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
1015 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
22 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 112349
SVRRDU
NCC195-120045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
750 PM EDT WED JUL 11 1990
 
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST NORTH CAROLINA
 
   ...WILSON COUNTY
 
AT 745 PM...A SEVERE THUNDERSTORM WAS LOCATED IN NORTHEAST JOHNSTON
COUNTY APPROACHING THE WILSON COUNTY LINE. THE THUNDERSTORM WAS MOVING
TO THE NORTHEAST AT ABOUT 20 MPH AND WILL AFFECT WILSON COUNTY BEFORE
845 PM.
 
THIS THUNDERSTORM PRODUCED WIND DAMAGE AT SEVERAL LOCATIONS IN
JOHNSTON COUNTY.
 
 
 
PEOPLE IN THE PATH OF THIS STOR?M 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

Special weather statement, Jul 11, 6:00 PM EDT, 1 hour 50 minutes before
NCZ006-007-112200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO, NC
600 PM EDT WED JUL 11 1990

...THUNDERSTORMS WITH VERY HEAVY RAIN IN THE NORTHERN FOOTHILLS
   AND NORTHWEST PIEDMONT OF NORTH CAROLINA...

AT 555 PM RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN OVER ALEXANDER
..SOUTHERN WILKES..SOUTHEAST SURRY AND CENTRAL YADKIN COUNTIES IN THE
NORTHERN FOOTHILLS AND NORTHWEST PIEDMONT OF NORTH CAROLINA.  THE STORMS
WERE MOVING EAST AT ABOUT 10 MPH.

ALONG WITH THE VERY HEAVY RAIN THESE STORMS MAY PRODUCE FREQUENT DEADLY
LIGHTNING..STRONG GUSTY WINDS AND SOME HAIL.

PERSONS IN SURRY..YADKIN..STOKES..WILKES AND ALEXANDER COUNTIES SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND SHOULD TAKE
SHELTER IF STORMS APPROACH.

RBN
Special weather statement, Jul 11, 6:12 PM EDT, 1 hour 38 minutes before
NCZ003>005-014-015-DDHHMM-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
611 PM EDT WED JUL 11 1990

AT 610 PM...SCATTERED SHOWERS AND THUNDERSTORMS WERE OCCURRING OVER
THE NORTHEAST PIEDMONT AND SANDHILLS OF NORTH CAROLINA. SOME OF THE
THUNDERSTORMS WERE PRODUCING FREQUENT LIGHTNING AND HEAVY RAIN.

AT 516 PM...A THUNDERSTORM PRODUCED A WIND GUST OF 51 MPH AT FORT
BRAGG.

A SHORT LINE OF THUNDERSTORMS EXTENDED FROM NORTHERN GRANVILLE COUNTY
SOUTHWEST INTO PERSON COUNTY. THE THUNDERSTORMS WERE MOVING TO THE
SOUTHEAST AT ABOUT 20 MPH. THE POTENTIAL FOR STRENGTHENING WILL EXIST
AS THE STORMS MOVE ACROSS THE NORTHERN PORTION OF THE NORTHEAST
PIEDMONT...ESPECIALLY GRANVILLE...VANCE...AND WARREN COUNTIES.
^
NO SHOWERS OR THUNDERSTORMS WERE OVER THE NORTHERN AND CENTRAL COASTAL
PLAIN AT 610 PM. HOWEVER...THE POSSIBILITY EXISTS THAT SCATTERED
THUNDERSTORMS WILL DEVELOP LATER IN THE EVENING.

LGL
Local storm report, Jul 11, 6:28 PM EDT, 1 hour 22 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
627 PM EDT WED JUL 11 1990

TIME           EVENT
600 PM EDT     CHAPEL HILL...ORANGE COUNTY
APPROX.        DURHAM...DURHAM COUNTY
               TREES DOWN DUE TO THUNDERSTORM WINDS
               REPORT RELAYED TO NWS BY WTVD IN DURHAM

LGL
Special weather statement, Jul 11, 6:43 PM EDT, 1 hour 7 minutes before
NCZ006-007-112330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO, NC
645 PM EDT WED JUL 11 1990

...THUNDERSTORMS WITH VERY HEAVY RAIN IN THE NORTHERN FOOTHILLS
   AND NORTHWEST PIEDMONT OF NORTH CAROLINA...

AT 640 PM RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN ALONG THE
WILKES AND YADKIN COUNTY LINE BETWEEN YADKINVILLE AND WILKESBORO AND
ALSO 5 MILES SOUTHEAST OF BURLINGTON IN ALAMANCE COUNTY.  THE STORMS
WERE MOVING SOUTHEAST AT 5 TO 10 MPH.

ALONG WITH THE VERY HEAVY RAIN THESE STORMS MAY PRODUCE FREQUENT DEADLY
LIGHTNING..STRONG GUSTY WINDS AND SOME HAIL.

PERSONS IN WILKES..YADKIN AND ALAMANCE COUNTIES SHOULD BE ON THE
LOOKOUT FOR THREATENING WEATHER CONDITIONS AND SHOULD TAKE
SHELTER IF STORMS APPROACH.
RBN
Local storm report, Jul 11, 7:29 PM EDT, 21 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
728 PM EDT WED JUL 11 1990

TIME           EVENT
640 PM EDT    CREEDMOOR...GRANVILLE COUNTY...POLICE DEPARTMENT
              REPORTED THUNDERSTORM $WINDS BLEW A ROOF OFF A
              BUILDING IN CREEDMOOR.

LGL
Local storm report, Jul 11, 7:40 PM EDT, 10 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
739 PM EDT WED JUL 11 1990

TIME           EVENT
715 PM EDT    BETWEEN FOUR OAKS AND BENTONVILLE IN JOHNSTON COUNTY...
              TREES DOWN ON ROAD...REPORTED BY SHERIFFS DEPARTMENT

720 PM EDT    EAST OF SMITHFIELD AND SOUTH OF PINE LEVEL IN
              JOHNSTON COUNTY...TREES BLOWN DOWN...REPORTED BY
              SHERIFFS DEPARTMENT

730 PM EDT    SOUTHWEST OF PRINCETON IN JOHNSTON 7COUNTY...TREES
              BLOWN DOWN...REPORTED BY SHERIFFS DEPARTMENT

LGL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 6:50 PM EDTSevere Thunderstorm WarningRAHDurham25 min
Jul 11, 6:57 PM EDTSevere Thunderstorm WarningRAHGranville63 min
Jul 11, 7:07 PM EDTSevere Thunderstorm WarningRAHJohnston53 min
Jul 11, 7:22 PM EDTSevere Thunderstorm WarningRAHFranklin53 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.