Alert archive / South Carolina / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 339, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 7, 2003, 3:06 PM EDT for Greenville County, Pickens County, South Carolina. It was in force for 54 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 7, 2003, 3:06 PM EDT (19:06 UTC)
- Expired
- Aug 7, 2003, 4:00 PM EDT
- In force
- 54 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
Counties Greenville County, SC, Pickens County, SC
The radar
The Greer radar (KGSP), 30 km from the middle of the area, began a volume at 19:05 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 nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.1 hours before the alert went out and 254 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
- 321 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 698 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 64 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 071906 SVRGSP SCC045-077-072000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 305 PM EDT THU AUG 7 2003 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA EASTERN PICKENS COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 400 PM EDT * AT 305 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES NORTHEAST OF PICKENS...OR ABOUT 4 MILES EAST OF PUMPKINTOWN...MOVING SOUTHEAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... DACUSVILLE AT 325 PM EDT. TRAVELERS REST AT 330 PM EDT. PARIS MOUNTAIN STATE PARK AT 345 PM EDT. BEREA AT 400 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 3512 8253 3504 8272 3473 8258 3484 8231 $$ RB/BPM
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 7, 9:30 AM EDT, 5 hours 36 minutes earlier.
Area forecast discussion, Aug 7, 9:30 AM EDT, 5 hours 36 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 930 AM EDT THU AUG 7 2003 FORECAST ON TRACK WITH SCT SHOWERS MOVING INTO MTNS...ISOLD ACROSS N FOOTHILLS/PIEDMONT ATTM. WILL UPDATE TO REMOVE MENTION OF FOG...NO OTHER CHANGES PLANNED. .GSP... GA...NONE. NC...FLOOD WATCH FOR TODAY AND TONIGHT FOR ZONES NCZ033>037... NCZ048>050...NCZ053>057...NCZ065>072...NCZ082. SC...FLOOD WATCH FOR TODAY AND TONIGHT FOR ZONES SCZ003... SCZ006>009...SCZ012>014. RB
Hazardous weather outlook, Aug 7, 5:21 AM EDT, 9 hours 45 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-071100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 521 AM EDT THU AUG 7 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE...TODAY SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA TODAY AND THIS EVENING. WITH EXCESSIVE RAINFALL EXPECTED...A FLOOD WATCH HAS BEEN ISSUED FOR TODAY AND TONIGHT. THE WATCH COVERS PORTIONS OF THE WESTERN CAROLINAS GENERALLY EAST OF A LINE THROUGH ASHEVILLE AND GREENVILLE. PLEASE SEE THE LATEST FLOOD WATCH (FFAGSP) FOR ADDITIONAL DETAILS. OUTSIDE THE WATCH AREA...SCATTERED STORMS MAY PRODUCE LOCALLY HEAVY RAINFALL. A FLOOD POTENTIAL OUTLOOK (ESFGSP) WILL ADDRESS CONCERNS FOR POSSIBLE FLOODING FOR TODAY THROUGH FRIDAY. IN ADDITION...SOME OF THESE STORMS MAY REACH SEVERE LEVELS THIS AFTERNOON AND EVENING. PLEASE SEE THE LATEST SEVERE WEATHER OUTLOOK (SPSGSP) FOR FURTHER INFORMATION. .DAYS TWO THROUGH SEVEN... A FLOOD WATCH WILL REMAIN IN EFFECT FOR TONIGHT. A UPPER AREA OF LOW PRESSURE WILL EXIST OVER THE FORECAST AREA FOR THE REST OF THE PERIOD. THIS SYSTEM WILL LEAD TO THE DEVELOPMENT OF THUNDERSTORMS...SOME MAY PRODUCE SEVERE WEATHER AND/OR EXCESSIVE RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TODAY AND TONIGHT. NED
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 12:15 AM EDT | Flash Flood Warning | GSP | Greenville, Spartanburg | 3 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; radar from the NEXRAD Level II archive.