Alert archive / South Carolina / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 359, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 17, 2003, 6:26 PM EDT for Spartanburg County, South Carolina. It was in force for 64 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
- Aug 17, 2003, 6:26 PM EDT (22:26 UTC)
- Expired
- Aug 17, 2003, 7:30 PM EDT
- In force
- 64 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Spartanburg County, SC
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 |
|---|---|---|---|
| Aug 17, 1:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.4 hours before the alert went out and 214 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
- 994 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1043 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KGSP 172226 SVRGSP SCC083-172330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 626 PM EDT SUN AUG 17 2003 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SPARTANBURG COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 730 PM EDT * AT 626 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 13 MILES NORTH OF SPARTANBURG...OR ABOUT 2 MILES SOUTHWEST OF CHESNEE...MOVING SOUTH AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MAYO AT 630 PM EDT. BOILING SPRINGS SC AT 640 PM EDT. COWPENS AT 645 PM EDT. SPARTANBURG AT 705 PM EDT. ROEBUCK AT 720 PM EDT. PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM SHOULD BE ALERT FOR LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCUR WITH ANY THUNDERSTORM. LAT...LON 3518 8177 3520 8199 3481 8209 3478 8179 $$ 07
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 Aug 17, 2:41 PM EDT, 3 hours 45 minutes earlier.
Area forecast discussion, Aug 17, 2:41 PM EDT, 3 hours 45 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 241 PM EDT SUN AUG 17 2003 EAST COAST UPPER TROUGH TO PERSIST THROUGH MON...THEN WILL START PROGRESSING E. BY WED UPPER RIDGE LOCATED OVER OH VALLEY WITH WEAK LOW SOMEWHERE IN DEEP S. COLD FRONT TO DROP S INTO AREA ACCOMPANIED BY STRONG SHORTWAVE. WILL CARRY AFTERNOON CONVECTION OVER INTO EVENING AS LIKEY POPS. WITH SLOW PROGRESS TO FRONT...HAVE SLIGHT CHANCE POP OVERNIGHT. FRONT SLOW TO PUSH S...AND ENOUGH MOISTURE AND INSTABILITY REMAIN FOR SLIGHT CHANCE POPS TUE-THU. BY FRI ANOTHER E COAST TROUGH IS CARVED OUT AS OH VALLEY RIDGE PROGRESSES. MOISTURE INCREASES IN ADVANCE OF ANOTHER COLD FRONT...AND HAVE ADDED CHANCE POPS TO FRI. COLD FRONT CROSSES AREA SAT...WITH ANOTHER DAY OF CHANCE POPS. FRONT SLOWS JUST SE OF AREA SUN...WITH ENOUGH MOISTURE TO WARRANT SLIGHT CHANCE POPS. NOT MUCH TEMPERATURE OR DEW POINT CHANGE THIS PACKAGE...AS COOLING BEHIND FRONTS ALMOST NEGLIGIBLE. TEMPERATURES BASICALLY NEAR CLIMATIC NORMALS...WITH A SLIGHT DROP OFF LATE IN WEEK. FCSTID = 7 GSP 70 89 68 88 / 60 30 30 20 AND 70 90 69 89 / 60 30 30 20 CLT 70 89 69 88 / 60 30 30 20 HKY 69 88 67 87 / 60 30 30 20 AVL 64 85 64 83 / 60 30 30 20 .GSP... GA...NONE. NC...NONE. SC...NONE. O7
Hazardous weather outlook, Aug 17, 5:45 AM EDT, 12 hours 41 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-171145- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 545 AM EDT SUN AUG 17 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE...TODAY A COLD FRONT WILL MOVE SLOWLY TOWARD THE WESTERN CAROLINAS AND NORTHEAST GEORGIA TODAY. SHOWERS AND THUNDERSTORMS WILL ACCOMPANY THIS FRONT INTO THE AREA. SOME OF THESE STORMS COULE PRODUCE SEVERE WEATHER AND LOCALIZED FLASH FLOODING. PLEASE SEE THE SEVERE WEATHER OUTLOOK...CAESPSGSP FOR FURTHER INFORMATION. .DAYS TWO THROUGH SEVEN... WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED ON MONDAY. A FEW SEVERE STORMS WILL BE POSSIBLE. THE REMAINDER OF THE WEEK IS EXPECTED TO BE DRIER...WITH NO MORE THAN ISOLATED SHOWERS AND THUNDERSTORMS EXPECTED THROUGH THE PERIOD. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TODAY. LANE
In the hours before
Special weather statement, Aug 17, 4:18 PM EDT, 2 hours 8 minutes before
NCZ068>071-SCZ009-172119- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 418 PM EDT SUN AUG 17 2003 ...STRONG THUNDERSTORMS TO AFFECT LAKE NORMAN AND THE CHARLOTTE METRO AREA... AT 415 PM EDT...WEATHER SERVICE RADAR SHOWED A CLUSTER OF STRONG THUNDERSTORMS OVER EASTERN LINCOLN COUNTY...MOVING SOUTHEAST AT 25 MPH. THROUGH 5 PM...THESE STORMS WILL AFFECT THE SOUTHERN PART OF LAKE NORMAN AS WELL AS INTERSTATE 77 BETWEEN HUNTERSVILLE AND CHARLOTTE. ANOTHER CLUSTER OF STRONG STORMS WILL AFFECT THE SOUTHEAST PART OF CLEVELAND COUNTY...BETWEEN SHELBY AND KINGS MOUNTAIN. BOTH OF THESE CLUSTERS OF STRONG THUNDERSTORMS WILL BE CAPABLE OF PRODUCING WINDS OF UP TO 55 MPH...CONTINUOUS CLOUD TO GROUND LIGHTNING...SMALL HAIL AND TORRENTIAL RAIN. IF THE STORMS BECOME A LITTLE STRONGER...WARNINGS WILL BE NEEDED. MCAVOY
Local storm report, Aug 17, 4:46 PM EDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
446 PM EDT SUN AUG 17 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
410 PM 7 E LINCOLNTON NC WIND DAMAGE
08/17/03 LINCOLN TRAINED HAM SPOTTER
REPORTED TWO TREES DOWN
ON HWY 150...ONE 18 IN
DIAMETER AND THE OTHER
ABOUT 12.
415 PM 3 E CHERRYVILLE NC NON-SVR REPORT
08/17/03 GASTON HAM REPORTED 45-50 MPH
WIND GUST...TORRENTIAL
RAIN PARTIALLY IMPEDING
TRAFFIC AND FREQUENT
LIGHTNING.
LAMBLocal storm report, Aug 17, 5:07 PM EDT, 1 hour 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
507 PM EDT SUN AUG 17 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
448 PM WACO NC WIND DAMAGE
08/17/03 CLEVELAND EMERGENCY PERSONNEL
REPORTED TREES DOWN.
459 PM SHELBY NC WIND DAMAGE
08/17/03 CLEVELAND EMERGENCY PERSONNEL
REPORTED TREES DOWN.
RBLocal storm report, Aug 17, 5:08 PM EDT, 1 hour 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
508 PM EDT SUN AUG 17 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
450 PM BELWOOD NC 1.75 INCH HAIL
08/17/03 CLEVELAND SPOTTER REPORTED GOLFBALL
SIZE HAIL AND 40 MPH WIND
GUST.
LAMBLocal storm report, Aug 17, 6:00 PM EDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
600 PM EDT SUN AUG 17 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
530 PM GROVER NC WIND DAMAGE
08/17/03 CLEVELAND COUNTY 911 REPORTED A
TREE DOWN ON A HOUSE.
ALSO WATERSON RD FLOODED.
EVENT TIME ESTIMATED.
545 PM 2 N BLACKSBURG SC WIND DAMAGE
08/17/03 CHEROKEE 911 CENTER REPORTED TREES
DOWN.
LAMBLocal storm report, Aug 17, 6:06 PM EDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
606 PM EDT SUN AUG 17 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
550 PM CORNELIA GA WIND DAMAGE
08/17/03 HABERSHAM TREES AND POWER LINES
DOWN ACROSS THE SOUTHERN
PART OF THE COUNTY.
REPORTED BY COUNTY COMMS
CENTER.
MCAVOYThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 5:11 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee | 64 min |
| Aug 17, 6:15 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee | 45 min |
| Aug 17, 6:48 PM EDT | Severe Thunderstorm Warning | GSP | Pickens | 57 min |
| Aug 17, 7:27 PM EDT | Flash Flood Warning | GSP | Pickens | 2 hr |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2003Every severe thunderstorm warning in 2003
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.