Alert archive / South Carolina / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 11, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 6, 2003, 2:47 AM EST for Greenville County, Laurens County, Spartanburg County, South Carolina. It was in force for 28 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
- Mar 6, 2003, 2:47 AM EST (07:47 UTC)
- Expired
- Mar 6, 2003, 3:15 AM EST
- In force
- 28 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
Counties Greenville County, SC, Laurens County, SC, Spartanburg County, SC
The radar
The Greer radar (KGSP), 29 km from the middle of the area, began a volume at 07:50 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 00:00Z, 7.8 hours before the alert went out and 257 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
- 68 J/kg
- Mixed-layer CIN
- -166 J/kg
- Mixed-layer LCL
- 717 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
531
WUUS52 KGSP 060747
SVRGSP
SCC045-059-083-060815-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
247 AM EST THU MAR 6 2003
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN SPARTANBURG COUNTY IN UPSTATE SOUTH CAROLINA
NORTHERN LAURENS COUNTY IN UPSTATE SOUTH CAROLINA
SOUTHEASTERN GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA
* UNTIL 315 AM EST
* AT 247 AM EST...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS FROM 12 MILES SOUTH OF GREENVILLE TO 12 MILES
NORTHWEST OF ABBEVILLE...MOVING EAST AT 60 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
WOODRUFF AT 250 AM EST.
LAURENS AT 255 AM EST.
PAULINE AT 300 AM EST.
PACOLET AT 305 AM EST.
PEOPLE IN THE PATH OF THIS LINE OF SEVERE THUNDERSTORMS SHOULD BE
ALERT FOR LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND
LOCALLY HEAVY RAIN CAN OCCUR WITH ANY THUNDERSTORM.
LAT...LON 3473 8240 3448 8240 3437 8252 3452 8182
3460 8184 3493 8174
$$
MOOREWhat 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 Mar 5, 11:37 PM EST, 3 hours 10 minutes earlier.
Area forecast discussion, Mar 5, 11:37 PM EST, 3 hours 10 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1137 PM EST WED MAR 5 2003 UPDATE FORTHCOMING TO INCLUDE COUNTIES FOR SEVERE THUNDERSTORM WATCH #30. FCSTID = 44 GSP 54 68 41 62 / 100 50 10 10 AND 54 69 43 64 / 100 50 10 10 CLT 53 68 41 60 / 100 60 10 10 HKY 51 65 37 59 / 100 60 10 10 AVL 51 61 34 58 / 100 60 10 10 .GSP... GA...NONE. NC...NONE. SC...NONE. BURRUS
Hazardous weather outlook, Mar 5, 6:06 AM EST, 20 hours 41 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-051300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 606 AM EST WED MAR 5 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE...TODAY SHOWERS AND THUNDERSTORMS ARE EXPECTED TO MOVE INTO THE REGION TONIGHT. SOME OF THE STORMS COULD BECOME QUITE STRONG...ESPECIALLY ALONG AND SOUTH OF INTERSTATE 85. SEE THE MOST RECENT SPECIAL WEATHER STATEMENT (PRODUCT CAESPSGSP) FOR MORE DETAILS. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION COULD BE NEEDED LATE WEDNESDAY NIGHT OR EARLY THURSDAY MORNING IN UPSTATE SOUTH CAROLINA AND NORTHEAST GEORGIA. BURRUS
In the hours before
Special weather statement, Mar 6, 1:27 AM EST, 1 hour 20 minutes before
GAZ010-017-018-026-028-029-SCZ001-002-004-005-010-011-019-060930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 127 AM EST THU MAR 6 2003 ...A LINE OF STRONG THUNDERSTORMS TO AFFECT NORTHEAST GEORGIA AND THE WESTERN UPSTATE OF SOUTH CAROLINA THROUGH 4 AM... AT 127 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS RACING EAST AT 60 MPH ACROSS NORTH GEORGIA. THE LINE WILL AFFECT THE AREA FROM CLAYTON TO CARNESVILLE AROUND 2 AM... AND THEN REACH FROM PICKENS TO ANDERSON TO ABBEVILLE BY 3 AM. GUSTY WINDS TO 40 MPH...MARBLE SIZE HAIL...TORRENTIAL DOWNPOURS AND 1/2 TO 1 INCH OF RAIN...AND FREQUENT LIGHTNING WILL ACCOMPANY THIS LINE. THE NATIONAL WEATHER SERVICE WILL CLOSELY MONITOR THE PROGRESS OF THIS LINE OF THUNDERSTORMS IN CASE ANY WARNINGS BECOME NECESSARY. GERAPETRITIS
Special weather statement, Mar 6, 2:20 AM EST, 27 minutes before
SCZ003-006-007-012-013-061015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 220 AM EST THU MAR 6 2003 ...A LINE OF STRONG THUNDERSTORMS TO AFFECT THE INTERSTATE 26 AND INTERSTATE 385 CORRIDOR IN UPSTATE SOUTH CAROLINA THROUGH 4 AM... AT 220 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS RACING EAST AT 60 MPH ACROSS THE WESTERN UPSTATE OF SOUTH CAROLINA. THIS LINE WILL AFFECT THE AREA FROM GREENVILLE TO LAURENS THROUGH 330 AM...AND REACH FROM SPARTANBURG TO UNION AROUND 4 AM. GUSTY WINDS TO 40 MPH...MARBLE SIZE HAIL...TORRENTIAL DOWNPOURS PRODUCING 1/2 TO 1 INCH OF RAIN...AND FREQUENT LIGHTNING WILL ACCOMPANY THIS LINE. THE NATIONAL WEATHER SERVICE WILL CLOSELY MONITOR THE PROGRESS OF THIS LINE OF THUNDERSTORMS IN CASE ANY WARNINGS BECOME NECESSARY. HG
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 2:19 AM EST | Severe Thunderstorm Warning | GSP | Anderson | 41 min |
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.