Alert archive / North Carolina / Tornado Warnings in 1990

Tornado Warning 5, NWS Blacksburg, VA

June 3, 1990Alamance County, Caswell County, North Carolina

NWS Blacksburg, VA issued this tornado warning at Jun 3, 1990, 6:39 PM EDT for Alamance County, Caswell County, North Carolina. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Jun 3, 1990, 6:39 PM EDT (22:39 UTC)
Expired
Jun 3, 1990, 7:30 PM EDT
In force
51 min
Issued by
NWS Blacksburg, VA
Area
Whole counties

Counties Alamance County, NC, Caswell 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, 10.7 hours before the alert went out and 50 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 1990-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 73 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 1990-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 161 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
73 J/kg
Mixed-layer CIN
-193 J/kg
Mixed-layer LCL
642 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
161 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KGSO 032239
TORGSO
NCC001-033-032330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE GREENSBORO NC
639 PM EDT SUN JUN 3 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 730 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE STATE OF NORTH CAROLINA
      NORTHERN ALAMANCE...CASWELL

AT 635 PM RADAR SHOWED A SEVERE THUNDERSTORM THAT MAY PRODUCE A
TORNADO. THE STORM WAS NEAR THE ALAMANCE CASWELL COUNTY LINE AND
WAS MOVING NORTHEAST AT 30 MILES AN HOUR.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE TO BE IS IN
A BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABDLE...FIND SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS..PILLOWS..
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.  ABANDON MOBILE
HOMES FOR STRONG STRUCTURES.

 KJM

Nearby

Tornado Warnings in North Carolina, 1990Every tornado warning in 1990Tornadoes 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.