Alert archive / South Carolina / Tornado Warnings in 1990

Tornado Warning 9, NWS Greenville-Spartanburg, SC

April 28, 1990Anderson County, South Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Apr 28, 1990, 4:37 PM EDT for Anderson County, South Carolina. It was in force for 68 min. 2 reports 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
Apr 28, 1990, 4:37 PM EDT (20:37 UTC)
Expired
Apr 28, 1990, 5:45 PM EDT
In force
68 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Anderson County, SC

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
Apr 28, 4:55 PM EDTThunderstorm Wind 0Anderson, SC
Apr 28, 5:12 PM EDTHail 1.75Anderson, SC

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

Athens Municipal, GA (KAHN), launched 12:00Z, 8.6 hours before the alert went out and 88 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, Athens Municipal, GA at 12:00Z on 1990-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Athens Municipal, GA at 12:00Z on 1990-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 square meters per square second.19395878Sfc1 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
5 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
653 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
133 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 KGSP 282038
TORGSP
SCC007-282145-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
437 PM EDT SAT APR 28 1990
 
THE NATIONAL WEATHER SERVICE IN GREENVILLE SPARTANBURG HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  545 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN  SOUTH CAROLINA
          ...ANDERSON
 
A SEVERE THUNDERTORM APPROACHING ANDERSON COUNTY HAS PRODUCED A NUMBER
OF REPORTS OF TORNADOES AND LARGE HAIL. BASED ON CURRENT MOVEMENT THE
POSSIBLE TORNADO SHOWN BY RADAR IN THIS STORM WILL CROSS LAKE HARTWELL
AND MOVE INTO ANDERSON COUNTY ABOUT 445 PM. THE STORM WOULD THEN MOVE
NORTHEAST ACROSS CENTRAL AND SOUTHERN SECTIONS OF ANDERSON COUNTY.
 
 
 
PEOPLE IN OR NEAR THE PATH OF THIS STORM SHOULD TAKE IMMEDIATE
ACTION TO PROTECT THEIR LIVES. GO TO YOUR BASEMENT...THE CENTER OF
BUILDINGS...COVER YOUR HEAD. DO NOT GO NEAR DOORS OR WINDOWS. GET
OUT OF MOBILE HOMES AND VEHICLES. GET INTO A STURDY BUILDING OR A
DITCH.

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 28, 5:20 PM EDTTornado WarningGSPGreenville55 min
Apr 28, 5:36 PM EDTSevere Thunderstorm WarningGSPAbbeville, Laurens69 min
Apr 28, 5:47 PM EDTSevere Thunderstorm WarningGSPSpartanburg58 min
Apr 28, 6:03 PM EDTTornado WarningGSPSpartanburg27 min
Apr 28, 6:23 PM EDTTornado WarningGSPCherokee67 min

Nearby

Tornado Warnings in South 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.