Alert archive / South Carolina / Tornado Warnings in 2002

Tornado Warning 6, NWS Greenville-Spartanburg, SC

November 11, 2002Anderson County, South Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Nov 11, 2002, 5:15 AM EST for Anderson County, South Carolina. It was in force for 30 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Nov 11, 2002, 5:15 AM EST (10:15 UTC)
Expired: Nov 11, 2002, 5:45 AM EST
In force: 30 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Counties, with a storm outline in the text

County Anderson County, SC

What was reported inside it

Time	Report	Where	Remark
Nov 11, 5:22 AM EST	Tornado F0	Piedmont, SC	A weak tornado touched down west of the city of Piedmont. Numerous large trees were blown over or uprooted as the tornado moved into the city. The tornado moved into Greenville county at 5:25 AM.

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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Nov 11, 3:30 AM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 10.3 hours before the alert went out and 225 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: 1907 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 713 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 287 m²/s²
0-3 km storm-relative helicity: 332 m²/s²
Significant tornado parameter: 3.3
Supercell composite: 11.5

Open this sounding in Storm Lab

The text

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

794 
WFUS52 KGSP 111015
TORGSP
SCC007-111045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
515 AM EST MON NOV 11 2002

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA

* UNTIL 545 AM EST.

* AT 515 AM EST...NATIONAL WEATHER SERVICE RADAR INDICATED A
  THUNDERSTORM WITH A DEVELOPING TORNADO 5 MILES NORTH OF ANDERSON...
  OR ABOUT 9 MILES WEST OF WILLIAMSTON...MOVING NORTHEAST AT 50 MPH.

* THE TORNADO WILL BE NEAR...
  PELZER AT 520 AM EST.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR
BUSINESS IS AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. STAY AWAY
FROM DOORS AND WINDOWS.

TORNADOES WHICH OCCUR AFTER DARK ARE ESPECIALLY DANGEROUS. GET TO A
PLACE OF SAFETY NOW STAY AWAY FROM DOORS AND WINDOWS...GET OUT OF
MOBILE HOMES AND CARS. IF DAMAGE OCCURS NEAR YOU...DO NOT ATTEMPT TO
WALK AROUND IN THE DARK. THERE MAY BE DOWNED POWER LINES.

LAT...LON 3460 8267 3456 8262 3459 8245 3475 8247

$$

RWH/JDL

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 11, 3:09 AM EST	Severe Thunderstorm Warning	GSP	Oconee	51 min
Nov 11, 3:56 AM EST	Severe Thunderstorm Warning	GSP	Pickens	49 min
Nov 11, 4:10 AM EST	Severe Thunderstorm Warning	GSP	Greenville, Spartanburg	50 min
Nov 11, 4:31 AM EST	Severe Thunderstorm Warning	GSP	Anderson, Oconee	44 min
Nov 11, 5:26 AM EST	Severe Thunderstorm Warning	GSP	Greenville, Laurens, Spartanburg	49 min
Nov 11, 6:15 AM EST	Severe Thunderstorm Warning	GSP	Cherokee, Union, York	45 min
Nov 11, 6:27 AM EST	Severe Thunderstorm Warning	GSP	Chester	48 min
Nov 11, 6:31 AM EST	Severe Thunderstorm Warning	GSP	Abbeville, Greenwood	44 min
Nov 11, 6:35 AM EST	Tornado Warning	GSP	Greenwood	40 min
Nov 11, 6:35 AM EST	Tornado Warning	GSP	Greenwood	40 min
Nov 11, 7:36 AM EST	Severe Thunderstorm Warning	GSP	Chester	24 min

Nearby

Tornado Warnings in South Carolina, 2002 Every tornado warning in 2002 Tornadoes in 2002

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.