Alert archive / South Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 300, NWS Greenville-Spartanburg, SC

November 11, 2002Chester County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Nov 11, 2002, 7:36 AM EST for Chester County, South Carolina. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Nov 11, 2002, 7:36 AM EST (12:36 UTC)
Expired
Nov 11, 2002, 8:00 AM EST
In force
24 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Chester County, SC

The radar

The Columbia radar (KCAE), 76 km from the middle of the area, began a volume at 12:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

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.

IssuedProductOfficeLasted
Nov 11, 3:30 AM ESTTornado WatchSPC6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 0.6 hours before the alert went out and 194 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 2002-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1142 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 2002-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 235 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
1142 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
535 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
235 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
1.9
Supercell composite
6.4

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KGSP 111236
SVRGSP
SCC023-111300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
735 AM EST MON NOV 11 2002

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CHESTER COUNTY IN UPSTATE SOUTH CAROLINA

* UNTIL 800 AM EST

* AT 735 AM EST...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 10 MILES SOUTH OF
  CHESTER...OR ABOUT OVER BLACKSTOCK...MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RICHBURG AT 745 AM EST.
  GREAT FALLS AT 750 AM EST.

WIND GUSTS TO 70 MPH ARE LIKELY. HAIL TO THE SIZE OF DIMES IS ALSO 
POSSIBLE. 

ALTHOUGH TORNADOES HAVE NOT BEEN DETECTED WITH THIS SEVERE
THUNDERSTORM...A TORNADO WATCH IS IN EFFECT. TORNADOES CAN DEVELOP
WITHOUT WARNING FROM A SEVERE THUNDERSTORM.

THIS RAPIDLY MOVING SEVERE THUNDERSTORM MAY CAUSE WINDS FROM 60 TO
100 MPH...AND MAY MOVE THROUGH VERY QUICKLY WITH LITTLE THUNDER...
LIGHTNING...OR RAIN.

LAT...LON 3467 8127 3447 8119 3454 8088 3480 8088

$$

RWH/LANE

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, 7:10 AM EST, 26 minutes earlier.

Area forecast discussion, Nov 11, 7:10 AM EST, 26 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
710 AM EST MON NOV 11 2002

WILL UPDATE ZFP TO REMOVE NC PIEDMONT FROM TOR WATCH...AND TO ADD
LATEST EXP TIME TO THE REST OF ZONE UNDER WATCH # 760.

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 11, 6:15 AM EST, 1 hour 21 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-111415-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
615 AM EST MON NOV 11 2002

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA...
UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA.

.DAY ONE...

THE THREAT OF SEVERE THUNDERSTORMS WILL REMAIN EAST OF INTERSTATE-85
THROUGH MID-MORNING.

A LINE OF SEVERE THUNDERSTORMS WILL CONTINUE TO MOVE EAST OUT OF
THE PIEDMONT OF THE CAROLINAS AND NORTHEAST GEORGIA INTO THE CENTRAL
CAROLINAS AND SOUTHERN GEORGIA BY NOON. RAIN SHOWERS AND SCATTERED
THUNDERSTORMS WILL REMAIN THROUGHOUT TODAY AS A COLD FRONT MOVES
ACROSS THE AREA...THESE THUNDERSTORMS POISE LITTLE THREAT OF
ADDITIONAL SEVERE WEATHER TODAY.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED THROUGH MID-MORNING.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

NED

In the hours before

Special weather statement, Nov 11, 5:09 AM EST, 2 hours 27 minutes before
NCZ034-035-055-056-111100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
509 AM EST MON NOV 11 2002

...STRONG THUNDERSTORMS TO MOVE THROUGH THE NORTHERN FOOTHILLS OF
NORTH CAROLINA...

A LINE OF STRONG THUNDERSTORMS...MOVING EAST AT 55 MPH...WILL MOVE
NORTHEAST ACROSS THE NORTHERN FOOTHILLS THROUGH 6 AM. THE STORMS WILL
BE NEAR GRANITE FALLS AND ICARD ABOUT 515 AM...AND NEAR TAYLORSVILLE
AND HICKORY ABOUT 530 AM. STORMS WITHIN THIS LINE WILL BE CAPABLE OF
PRODUCING SMALL HAIL AND WIND GUSTS IN EXCESS OF 45 MPH. FREQUENT
CLOUD TO GROUND LIGHTNING IS ALSO LIKELY. SHOULD THESE STORMS
STRENGTHEN...SEVERE THUNDERSTORM WARNINGS WILL BE NEEDED.

RWH
Local storm report, Nov 11, 5:18 AM EST, 2 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
518 AM EST MON NOV 11 2002

TIME(EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0505 AM    7 SW ANDERSON             SC   WIND DAMAGE
11/11/02   ANDERSON                       TREES DOWN ON INTERSTATE
                                          85 AT MILE MARKER 12.
                                          REPORT FROM ANDERSON
                                          COUNTY 911.

0500 AM    14 NW ANDERSON            SC   WIND DAMAGE
11/11/02   ANDERSON                       TREES DOWN ON LEBANON
                                          ROAD IN PENDLETON. REPORT
                                          FROM ANDERSON COUNTY 911.

515 AM     21 NE ANDERSON            SC   .75 INCH HAIL
11/11/02   ANDERSON                       HAM RADIO REPORT OF DIME
                                          SIZED HAIL ON THE
                                          ANDERSON COUNTY SIDE OF
                                          EASLEY.

BURRUS
Local storm report, Nov 11, 6:01 AM EST, 1 hour 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
601 AM EST MON NOV 11 2002

TIME(EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0500 AM    15 W ANDERSON             SC   WIND DAMAGE
11/11/02   ANDERSON                       TREES AND POWER LINES
                                          DOWN ON TRIBBLE ROAD IN
                                          TOWNVILLE. HAM RADIO
                                          REPORT

0455 AM    11 NE WALHALLA            SC   WIND DAMAGE
11/11/02   OCONEE                         HAM RADIO REPORT OF A
                                          TREE...AND POSSIBLE POWER
                                          LINES...DOWN ON A HOUSE
                                          IN THE SALEM COMMUNITY.

0530 AM    16 SE GREENVILLE          SC   WIND DAMAGE
11/11/02   GREENVILLE                     SOUTH GREENVILLE FIRE
                                          DEPARTMENT REPORTED AN
                                          OUTBUILDING...POSSIBLY A
                                          LITTLE GARAGE...BLOWN
                                          ONTO BLACK ROAD.

545 AM     12 NE ANDERSON            SC   WIND DAMAGE
11/11/02   ANDERSON                       THIRD PARTY HAM RADIO
                                          REPORT OF ONE HOME...OR A
                                          MANUFACTURED HOME...BLOWN
                                          OFF A FOUNDATION.

0500 AM    15 NE ANDERSON            SC   WIND DAMAGE
11/11/02   ANDERSON                       TREES AND POWER LINES
                                          DOWN ON TRANSYLVANIA
                                          STREET IN PIEDMONT AND
                                          OLD RIVER ROAD AND CEDAR
                                          ROAD IN PELZER.

0555 AM    6 NW LAURENS              SC   WIND DAMAGE
11/11/02   LAURENS                        TREES AND POWER LINES
                                          DOWN ON KNIGHTON CHANNEL
                                          ROAD IN FOUNTAIN INN.
                                          REPORT FROM LAURENS
                                          COUNTY 911.

BURRUS
Local storm report, Nov 11, 6:33 AM EST, 1 hour 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
601 AM EST MON NOV 11 2002

TIME(EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0500 AM    15 W ANDERSON             SC   WIND DAMAGE
11/11/02   ANDERSON                       TREES AND POWER LINES
                                          DOWN ON TRIBBLE ROAD IN
                                          TOWNVILLE. HAM RADIO
                                          REPORT

0455 AM    11 NE WALHALLA            SC   WIND DAMAGE
11/11/02   OCONEE                         HAM RADIO REPORT OF A
                                          TREE...AND POSSIBLE POWER
                                          LINES...DOWN ON A HOUSE
                                          IN THE SALEM COMMUNITY.

0530 AM    16 SE GREENVILLE          SC   WIND DAMAGE
11/11/02   GREENVILLE                     SOUTH GREENVILLE FIRE
                                          DEPARTMENT REPORTED AN
                                          OUTBUILDING...POSSIBLY A
                                          LITTLE GARAGE...BLOWN
                                          ONTO BLACK ROAD.

545 AM     12 NE ANDERSON            SC   WIND DAMAGE
11/11/02   ANDERSON                       THIRD PARTY HAM RADIO
                                          REPORT OF ONE HOME...OR A
                                          MANUFACTURED HOME...BLOWN
                                          OFF A FOUNDATION.

0500 AM    15 NE ANDERSON            SC   WIND DAMAGE
11/11/02   ANDERSON                       TREES AND POWER LINES
                                          DOWN ON TRANSYLVANIA
                                          STREET IN PIEDMONT AND
                                          OLD RIVER ROAD AND CEDAR
                                          ROAD IN PELZER.

0555 AM    6 NW LAURENS              SC   WIND DAMAGE
11/11/02   LAURENS                        TREES AND POWER LINES
                                          DOWN ON KNIGHTON CHANNEL
                                          ROAD IN FOUNTAIN INN.
                                          REPORT FROM LAURENS
                                          COUNTY 911.

BURRUS
Local storm report, Nov 11, 7:14 AM EST, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
714 AM EST MON NOV 11 2002

TIME(EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

700 AM     4 SW GREENWOOD            SC   TORNADO
11/11/02   GREENWOOD                      TORNADO ON GROUND NEAR
                                          HIGHWAY 25 REPORTED BY
                                          SHERIFFS OFFICER

JMP
Local storm report, Nov 11, 7:20 AM EST, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
720 AM EST MON NOV 11 2002

TIME(EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

650 AM     6 SW GREENWOOD            SC   WIND DAMAGE
11/11/02   GREENWOOD                      TREE BLOCKING HIGHWAY 10.
                                          REPORTED BY COUNTY
                                          COMMUNICATIONS CENTER.

635 AM     CLOVER                    SC   WIND DAMAGE
11/11/02   YORK                           STREET LIGHT AND POWER
                                          LINES DOWN IN CLOVER.
                                          OTHER REPORTS OF TREES
                                          DOWN SCATTERED ACROSS THE
                                          COUNTY. REPORTED BY
                                          COUNTY COMMS CENTER.

630 AM     15 SW ELBERTON            GA   WIND DAMAGE
11/11/02   ELBERT                         2 TREES DOWN ON BOBBY
                                          BROWN STATE PARK RD.
                                          REPORTED BY COUNTY
                                          COMMUNICATIONS CENTER.

536 AM     SIMPSONVILLE              SC   WIND DAMAGE
11/11/02   GREENVILLE                     TREES DOWN IN TOWN.
                                          REPORTED BY PUBLIC.

545 AM     FOUNTAIN INN              SC   WIND DAMAGE
11/11/02   LAURENS                        TREES DOWN ON COOKES
                                          BRIDGE RD. REPORTED BY
                                          COUNTY COMMUNICATIONS
                                          CENTER.

612 AM     UNION                     SC   WIND DAMAGE
11/11/02   UNION                          TREE DOWN ON A HOUSE AT
                                          104 WALLACE STREET.
                                          NUMEROUS OTHER TREES DOWN
                                          ACROSS THE COUNTY.
                                          REPORTED BY COUNTY
                                          COMMUNICATIONS CENTER.

MCAVOY

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 11, 3:09 AM ESTSevere Thunderstorm WarningGSPOconee51 min
Nov 11, 3:56 AM ESTSevere Thunderstorm WarningGSPPickens49 min
Nov 11, 4:10 AM ESTSevere Thunderstorm WarningGSPGreenville, Spartanburg50 min
Nov 11, 4:31 AM ESTSevere Thunderstorm WarningGSPAnderson, Oconee44 min
Nov 11, 5:15 AM ESTTornado WarningGSPAnderson30 min
Nov 11, 5:26 AM ESTSevere Thunderstorm WarningGSPGreenville, Laurens, Spartanburg49 min
Nov 11, 6:15 AM ESTSevere Thunderstorm WarningGSPCherokee, Union, York45 min
Nov 11, 6:27 AM ESTSevere Thunderstorm WarningGSPChester48 min
Nov 11, 6:31 AM ESTSevere Thunderstorm WarningGSPAbbeville, Greenwood44 min
Nov 11, 6:35 AM ESTTornado WarningGSPGreenwood40 min
Nov 11, 6:35 AM ESTTornado WarningGSPGreenwood40 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.