Alert archive / South Carolina / Tornado Warnings in 1990

Tornado Warning 2, NWS Greenville-Spartanburg, SC

February 10, 1990Anderson County, Greenville County, South Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Feb 10, 1990, 7:52 AM EST for Anderson County, Greenville 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: Feb 10, 1990, 7:52 AM EST (12:52 UTC)
Expired: Feb 10, 1990, 9:00 AM EST
In force: 68 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

Counties Anderson County, SC, Greenville 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

Time	Report	Where	Remark
Feb 10, 8:00 AM EST	Tornado F0	Greenville, SC
Feb 10, 8:25 AM EST	Thunderstorm Wind 0	Greenville, 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, 0.9 hours before the alert went out and 111 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 524 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 667 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: 189 m²/s²
0-3 km storm-relative helicity: 215 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 2.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGSP 101252
TORGSP
SCC007-045-101400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE GREER SC
752 AM EST SAT FEB 10 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 900 AM EST FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE STATE OF SOUTH CAROLINA
      NORTHERN ANDERSON...GREENVILLE

ANDERSON COUNTY SHERIFFS OFFICE REPORTED A TORNADO IN NORTHERN
ANDERSON COUNTY WEST OF PIEDMONT. A TRAILER WAS OVER TURNED IN
THIS AREA. THIS TORNADO SHOULD BE MOVING NORTHEAST AT 50 MPH AND
MOVING INTO CENTRAL GREENVILLE COUNTY.

PEOPLE IN OR NEAR THE PATH OF THIS STORM SHOULD TAKE IMMEDIATE
ACTION TO PROTECT THEIR LIVES. GO TOo YOUR BASEMENT OR THE CENTER OF
THE BUILDING AND 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.

 ROBBINS

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 10, 7:02 AM EST	Severe Thunderstorm Warning	GSP	Oconee	58 min
Feb 10, 7:27 AM EST	Severe Thunderstorm Warning	GSP	Anderson, Pickens	63 min
Feb 10, 7:39 AM EST	Tornado Warning	GSP	Pickens	66 min
Feb 10, 8:18 AM EST	Tornado Warning	GSP	Laurens, Spartanburg	47 min
Feb 10, 8:33 AM EST	Tornado Warning	GSP	Cherokee, Union	57 min

Nearby

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