Alert archive / South Carolina / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 14, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 19, 2003, 9:40 PM EST for Anderson County, South Carolina. It was in force for 65 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 19, 2003, 9:40 PM EST (02:40 UTC)
- Expired
- Mar 19, 2003, 10:45 PM EST
- In force
- 65 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Anderson County, SC
The radar
The Greer radar (KGSP), 64 km from the middle of the area, began a volume at 02:43 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 19, 5:30 PM EST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.7 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
- 753 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 467 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
790 WUUS52 KGSP 200240 SVRGSP SCC007-200345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 940 PM EST WED MAR 19 2003 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 1045 PM EST * AT 940 PM EST...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES EAST OF HARTWELL...OR ABOUT OVER IVA...MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... STARR AT 945 PM EST. HONEA PATH AT 1025 PM EST. WILLIAMSTON AT 1035 PM EST. 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 3437 8282 3422 8274 3448 8235 3466 8248 $$ NED
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 Mar 19, 3:00 PM EST, 6 hours 40 minutes earlier.
Area forecast discussion, Mar 19, 3:00 PM EST, 6 hours 40 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 300 PM EST WED MAR 19 2003 LARGE UPPER LEVEL CLOSED LOW TO OPEN AND LIFT NE THURSDAY. COLD AIR DAMMING TO CONTINUE TONIGHT AND THURSDAY MORNING...WITH ISENTROPIC LIFT AND UPSLOPE COMPONENT TO PRODUCE EXCESIVE RAINFALL MUCH OF AREA. BEST ISENTROPIC LIFT MOVES N OF AREA EARLY THU...BUT WITH CONVECTION AROUND...FLOOD THREAT CONTINUES. WILL EXPAND FLOOD WATCH TO ENTIRE AREA THROUGH THURSDAY. THREAT OF SEVERE CONTINUES THIS EVENING IN S AND W ALONG PERIPHERY OF WEDGE...WHERE INSTABILITY GREATEST...AND AGAIN THURSDAY AND THURSDAY NIGHT AS WEDGE ERRODES. FRONT STALLS JUST E OF AREA FRI AS WAVE FORMS TO S. PRECIPITATION EXPECTED TO EXPAND WESTWARD...BUT HOW FAR IS STILL IN QUESTION. WENT WITH CHANCE POPS FRI...HIGHEST E...WITH THUNDER EVERYWHERE AS BAND OF HIGH CAPES CROSS AREA. FRONT MOVES E AND AREA DRIES FRI NIGHT... WHILE WEAK SECONDARY FRONT APPROACHES MTS. SECOND FRONT REACHES MTS SAT...WITH LIMITED MOISTURE...CROSSING AREA SUN. WAVE ON THIS FRONT TO MOVE E ALONG I-20 MON...AND WILL CARRY POPS SUN NIGHT...DRYING FROM W MON. DRY RIDGE OVER AREA TUE/WED. FCSTID = 7 GSP 53 64 54 72 / 80 80 80 40 AND 55 68 53 72 / 80 80 80 40 CLT 54 63 56 73 / 90 90 80 40 HKY 49 61 53 71 / 80 80 70 40 AVL 48 63 50 69 / 80 80 70 30 .GSP... GA...FLOOD WATCH FOR TONIGHT AND THURSDAY FOR ZONES GAZ010... GAZ017>018...GAZ026...GAZ028>029. FLOOD WATCH FOR TONIGHT AND THURSDAY FOR ZONES GAZ010...GAZ017>018... GAZ026...GAZ028>029. NC...FLOOD WATCH FOR TONIGHT AND THURSDAY FOR ZONES NCZ033>037... NCZ048>059...NCZ062>072...NCZ082. FLOOD WATCH FOR TONIGHT AND THURSDAY FOR ZONES NCZ051...NCZ058... NCZ062...NCZ066>067. SC...FLOOD WATCH FOR TONIGHT AND THURSDAY FOR ZONES SCZ001>014... SCZ019. FLOOD WATCH FOR TONIGHT AND THURSDAY FOR ZONES SCZ001>007... SCZ010>013...SCZ019. O7
Hazardous weather outlook, Mar 19, 2:55 PM EST, 6 hours 45 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-192145- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 255 PM EST WED MAR 19 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE...TODAY A FLOOD WATCH IS IN EFFECT FOR THE WESTERN CAROLINAS AND NORTHEAST GEORGIA TONIGHT. SEVERE THUNDERSTORMS ARE POSSIBLE TONIGHT... POSSIBLY ACCOMPANIED BY TORNADOES ALONG THE BORDER OF NORTHEAST GEORGIA AND UPSTATE SOUTH CAROLINA. .DAYS TWO THROUGH SEVEN... A FLOOD WATCH REMAINS IN EFFECT FOR THE WESTERN CAROLINAS AND NORTHEAST GEORGIA THURSDAY. SEVERE THUNDERSTORMS ARE POSSIBLE THURSDAY AFTERNOON AND THURSDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED. 07
In the hours before
Local storm report, Mar 19, 9:17 PM EST, 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
917 PM EST WED MAR 19 2003
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
910 PM DEWEY ROSE GA .88 INCH HAIL
03/19/03 ELBERT ELBERT 911 RELAYED PUBLIC
REPORT
JONESThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 8:32 PM EST | Flash Flood Warning | GSP | Anderson, Pickens | 3 hr |
| Mar 19, 9:34 PM EST | Flash Flood Warning | GSP | Greenville, Spartanburg | 4 hr |
| Mar 20, 1:30 AM EST | Flash Flood Warning | GSP | Greenville, Spartanburg | 4 hr |
| Mar 20, 1:55 AM EST | Flash Flood Warning | GSP | Oconee, Pickens | 3 hr |
| Mar 20, 1:59 AM EST | Severe Thunderstorm Warning | GSP | Oconee, Pickens | 46 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.