Alert archive / South Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 293, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Nov 11, 2002, 4:31 AM EST for Anderson County, Oconee County, South Carolina. It was in force for 44 min. 6 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
- Nov 11, 2002, 4:31 AM EST (09:31 UTC)
- Expired
- Nov 11, 2002, 5:15 AM EST
- In force
- 44 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
Counties Anderson County, SC, Oconee County, SC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 11, 4:50 AM EST | Thunderstorm Wind 65 E | Anderson, SC | Numerous trees were blown down, along with light structural damage to houses. An unoccupied, unanchored mobile home was destroyed by the wind. Another mobile home was shifted off of its foundation. Also, some trees fell on homes and vehicles. |
| Nov 11, 4:50 AM EST | Thunderstorm Wind 55 E | Westminster, SC | Numerous trees were blown down. |
| Nov 11, 5:05 AM EST | Thunderstorm Wind 55 E | Salem, SC | Numerous trees were blown down. One tree fell on a trailer. |
| Nov 11, 5:05 AM EST | Thunderstorm Wind 55 E | Pendleton, SC | Some trees were blown down. |
| Nov 11, 5:10 AM EST | Hail 0.75 | Piedmont, SC | Hail was reported along Highway 86. |
| 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
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 10, 11:05 PM EST | Tornado Watch | SPC | 6 hr |
| Nov 11, 3:30 AM EST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 9.5 hours before the alert went out and 207 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.
- 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
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.
NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 11, 4:15 AM EST, 16 minutes earlier.
Area forecast discussion, Nov 11, 4:15 AM EST, 16 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 415 AM EST MON NOV 11 2002 ...TORNADO WATCH FOR NC FOOTHILLS AND PIEDMONT ZONES UNTIL 7 AM... ...TORNADO WATCH FOR SC AND GA ZONES UNTIL 9 AM... MAIN LINE OF TS IS CURRENTLY RUNNING FROM GVL NORTHEAST TO HKY...AND PUSHING EAST. LINE SHOULD BE EAST OF THE CWA BY NOON TODAY. UNTIL THEN THE THREAT OF SVR WX WILL CONTINUE AS FORCING REMAINS DECENT AND ENVIRONMENT FAVORABLE FOR A LEAST STRONG TS WINDS. TONIGHT THINGS SHOULD BE FAIRLY QUIET AS BOUNDARY SLIDES EAST AND WITH LITTLE REMAINING FORCING...HAVE TRIMMED BACK POPS. HAVE INCREASE POPS AND QPF FOR TUES. DEEP H5 TROF WILL MOVE OVER THE MS VALLEY. GFS CONSISTENT WITH THE DEVELOPMENT OF A LOW OVER THE FL PANHANDLE AND TRACK TO THE NE. GOOD JET DIV AND OMEGA FIELDS...WITH SOME INSTABILITY GOOD MOISTURE SHOULD SEE AN SIGNIFICANT AXIS OF RAINFALL ACROSS CENTRAL SC. HPC QPF SHOWS EASTERN EDGE OF CWA RECEIVING UP TO 3 TO AN TENTH OVER THE WESTERN SLOPES. TUES PM PRECIP LINGERS FOR MUCH OF THE NIGHTTIME TO THE EAST...DWINDLE AFTER MIDNIGHT CENTRAL CWA...AND CAA AND NORTHWEST FLOW SHOULD RESULT IN -SHRASN IN THE NORTHERN MTNS. LITTLE CHANGE MADE TO WED AND BEYOND. WILL KEEP TEMPS WITHIN A BLEND OF MOS GUIDANCE. FCSTID = 16 GSP 72 52 56 42 / 100 40 80 40 AND 73 54 57 43 / 100 50 80 40 CLT 73 54 57 44 / 100 40 80 50 HKY 72 51 54 40 / 100 40 70 40 AVL 69 46 50 37 / 100 30 60 30 .GSP... GA...NONE. NC...NONE. SC...NONE. NED
Hazardous weather outlook, Nov 10, 6:05 AM EST, 22 hours 26 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-101300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 605 AM EST SUN NOV 10 2002 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE... LOW PRESSURE OVER THE GREAT LAKES REGION WILL PUSH A COLD FRONT INTO THE WESTERN CAROLINAS AND NORTHERN GEORGIA TONIGHT. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP AHEAD OF THE FRONT THIS AFTERNOON AND EVENING. THE STRONGEST THUNDERSTORMS WILL ACCOMPANY THE FRONT TONIGHT...SOME OF THESE THUNDERSTORMS MAY PRODUCE DAMAGING WINDS. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT. .DAYS TWO THROUGH SEVEN... ON TUESDAY...LOW PRESSURE WILL DEVELOP OVER THE FLORIDA PANHANDLE AND WILL BRING ANOTHER ROUND OF PRECIPITATION TO THE REGION. DEPENDING ON THE EVENTUAL TRACK AND STRENGTH OF THIS SYSTEM...HEAVY RAINFALL MAY RESULT ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA ON TUESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. NED
In the hours before
Special weather statement, Nov 11, 1:37 AM EST, 2 hours 54 minutes before
NCZ033-048>050-052-053-059-063>065-110740- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 137 AM EST MON NOV 11 2002 ...THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE NORTH CAROLINA MOUNTAINS... STORMS SPREADING IN FROM EAST TENNESSEE WILL CONTINUE TO HAVE THE POTENTIAL TO PRODUCE STRONG WIND GUSTS IN EXCESS OF 50 MPH ACROSS THE NORTH CAROLINA MOUNTAINS. A FEW TREES COULD BE DOWNED AND POWER INTERRUPTIONS ARE POSSIBLE ALONG WITH CLOUD TO GROUND LIGHTNING THROUGH 3 AM. 55
Special weather statement, Nov 11, 2:09 AM EST, 2 hours 22 minutes before
GAZ010-017-018-026-110745- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 209 AM EST MON NOV 11 2002 ...STRONG TO SEVERE THUNDERSTORMS APPROACHING EXTREME NORTHEAST GEORGIA... FAST MOVING THUNDERSTORMS ACROSS NORTH-CENTRAL GEORGIA... MOVING TO THE EAST-NORTHEAST AT 50 MPH...WILL BE HEADING INTO EXTREME NORTHEAST GEORGIA BY 3 AM. THE POTENTIAL FOR STRONG...POSSIBLY DAMAGING WIND GUSTS WILL BE THE MAIN THREAT EARLY THIS MORNING. IF STORMS MAINTAIN THEIR STRENGTH...WARNINGS MAY BE ISSUED WITHIN THE HOUR. 55
Special weather statement, Nov 11, 2:43 AM EST, 1 hour 48 minutes before
SCZ001-004-110815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 243 AM EST MON NOV 11 2002 ...STRONG TO SEVERE THUNDERSTORMS WILL APPROACH THE WESTERN UPSTATE... FAST MOVING THUNDERSTORMS APPROACHING NORTHEAST GEORGIA... MOVING TO THE EAST-NORTHEAST AT 50 MPH...WILL BE HEADING INTO THE WESTERN UPSTATE...ESPECIALLY OCONEE COUNTY...AFTER 3 AM. THE POTENTIAL FOR STRONG...POSSIBLY DAMAGING WIND GUSTS WILL BE THE MAIN THREAT EARLY THIS MORNING. IF STORMS MAINTAIN THEIR STRENGTH...ADDITIONAL WARNINGS MAY BE ISSUED SHORTLY. 55
Special weather statement, Nov 11, 3:13 AM EST, 1 hour 18 minutes before
GAZ028-029-SCZ002-003-005-006-010-011-110930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 313 AM EST MON NOV 11 2002 ...STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE TO MOVE INTO THE WESTERN UPSTATE AND ADJACENT AREAS OF NORTHEAST GEORGIA... A LINE OF STRONG TO SEVERE THUNDERSTORMS...MOVING EAST AT 30 MPH...WILL CONTINUE TO MOVE THROUGH EXTREME NORTHEAST GEORGIA AND INTO THE WESTERN UPSTATE THROUGH 5 AM. STORMS WITHIN THIS LINE WILL BE CAPABLE OF PRODUCING LARGE HAIL AND WIND GUSTS IN EXCESS OF 60 MPH. FREQUENT CLOUD TO GROUND LIGHTNING IS ALSO LIKELY. 55
Local storm report, Nov 11, 3:53 AM EST, 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
353 AM EST MON NOV 11 2002
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
350 AM MOUNTAIN REST SC WIND DAMAGE
11/11/02 OCONEE TREES BLOWN DOWN BY
THUNDERSTORM WINDS
LANELocal storm report, Nov 11, 4:13 AM EST, 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
413 AM EST MON NOV 11 2002
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0353 AM MOUNTAIN REST SC .88 INCH HAIL
11/11/02 OCONEE DIME TO NICKEL SIZED HAIL
REPORTED BY A HAM RADIO
OPERATOR AT MOUNTAIN
REST.
BURRUSThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 11, 12:40 AM EST | Severe Thunderstorm Warning | GSP | Graham, Swain | 65 min |
| Nov 11, 12:54 AM EST | Severe Thunderstorm Warning | GSP | Macon | 66 min |
| Nov 11, 6:51 AM EST | Severe Thunderstorm Warning | GSP | Mecklenburg, Union | 54 min |
| Nov 11, 8:11 AM EST | Severe Thunderstorm Warning | GSP | Union | 34 min |
| Nov 11, 8:11 AM EST | Severe Thunderstorm Warning | GSP | Union | 34 min |
| 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, 5:15 AM EST | Tornado Warning | GSP | Anderson | 30 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 |
| Nov 11, 2:33 AM EST | Severe Thunderstorm Warning | GSP | Habersham, Rabun | 42 min |
| Nov 11, 4:01 AM EST | Severe Thunderstorm Warning | GSP | Franklin, Stephens | 44 min |
| Nov 11, 4:38 AM EST | Severe Thunderstorm Warning | GSP | Hart | 52 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2002Every severe thunderstorm warning 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.