Alert archive / South Carolina / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 203, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 12, 2003, 6:22 PM EDT for Spartanburg County, South Carolina. It was in force for 53 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
- Jul 12, 2003, 6:22 PM EDT (22:22 UTC)
- Expired
- Jul 12, 2003, 7:15 PM EDT
- In force
- 53 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Spartanburg County, SC
The radar
The Greer radar (KGSP), 15 km from the middle of the area, began a volume at 22:23 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.4 hours before the alert went out and 235 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
- 1650 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 580 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
131
WUUS52 KGSP 122222
SVRGSP
SCC083-122315-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
621 PM EDT SAT JUL 12 2003
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SPARTANBURG COUNTY IN UPSTATE SOUTH CAROLINA
* UNTIL 715 PM EDT
* AT 621 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM 11 MILES WEST OF SPARTANBURG...OR ABOUT 2 MILES
SOUTHEAST OF DUNCAN...MOVING SOUTHEAST AT 15 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
REIDVILLE AT 625 PM EDT.
MOORE AT 650 PM EDT.
PAULINE AT 710 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 3499 8221 3490 8222 3478 8215 3460 8183
3496 8179 3512 8203
$$
BURRUSWhat 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 Jul 12, 2:21 PM EDT, 4 hours 1 minute earlier.
Area forecast discussion, Jul 12, 2:21 PM EDT, 4 hours 1 minute before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 221 PM EDT SAT JUL 12 2003 UPPER LEVEL TROUGH TO PERSIST. SURFACE FRONT E OF AREA TO WASH OUT...WHILE ANOTHER WEAK FRONT MOVES INTO AREA TONIGHT...STALLING JUST TO S ON SUN. AREA CAPPED UNTIL THIS EVENING...WHEN CAPES OF 200-300 PROGGED BY MODEL SOUNDINGS AS MID LEVELS COOL. SUNDAY AFTERNOON TO HAVE A BIT MORE INSTABILITY...AND FRONTAL MOISTURE. MON/TUE NEARLY A REPEAT OF SUN. GULF NOT OPEN...SO ACTIVITY JUST EXPECTED TO BE SCATTERED. NOT MUCH COOLING BEHIND THESE BOUNDARIES ...WITH MOISTURE/CLOUDS REMAINING...AND COOLEST AIR WELL TO N. WEAK S FLOW TO DOMINATE WED/THU AS SLOW MOVING FRONT ADVANCES FROM NW. FRONT TO STALL OVER AERA FRI...WITH LIMITED MOISTURE...THEN TO WASH OUT SAT. CHANCE POPS CONTINUE...PRIMARILY AFTERNOON/EVENING... WITH TEMPERATURES AROUND OR JUST BELOW NORMAL. FCSTID = 7 GSP 67 86 67 87 / 30 40 40 30 AND 68 86 68 87 / 30 40 40 30 CLT 67 87 67 87 / 30 40 40 30 HKY 65 84 66 84 / 30 40 40 30 AVL 60 81 62 81 / 30 40 40 30 .GSP... GA...NONE. NC...NONE. SC...NONE. O7
Hazardous weather outlook, Jul 12, 5:20 AM EDT, 13 hours 2 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-121130- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 520 AM EDT SAT JUL 12 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 DEVELOP AND ORGANIZE ACROSS THE TENNESSEE VALLEY THIS AFTERNOON. THE STORMS MAY MOVE INTO THE NORTH CAROLINA MOUNTAINS LATE THIS AFTERNOON OR EARLY THIS EVENING...AND THEN MOVE ACROSS THE REMAINDER OF WESTERN NORTH CAROLINA...AS WELL AS NORTHEAST GEORGIA AND UPSTATE SOUTH CAROLINA LATER IN THE EVENING AND OVERNIGHT. A FEW OF THE STORMS COULD PRODUCE DAMAGING STRAIGHT LINE WINDS AND PERHAPS LARGE HAIL...ESPECIALLY DURING THE EARLY TO MID EVENING IN AREAS WEST OF I-26 IN GEORGIA AND SOUTH CAROLINA...AND WEST OF THE BLUE RIDGE IN NORTH CAROLINA. .DAYS TWO THROUGH SEVEN... SCATTERD...MAINLY AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE MOST DAYS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS EVENING. LANE
In the hours before
Special weather statement, Jul 12, 6:07 PM EDT, 15 minutes before
NCZ033-034-048>055-058-059-062>067-130100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 607 PM EDT SAT JUL 12 2003 ...STRONG THUNDERSTORMS TO AFFECT THE NORTH CAROLINA MOUNTAINS AND PIEDMONT THIS EVENING.. AT 6 PM...WEATHER RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS ACROSS EAST TENNESSEE. THESE STORMS WILL SLOWLY SPREAD OVER THE NORTH CAROLINA MOUNTAINS...AND THE FOOTHILLS...THIS EVENING. SCATTERED STORMS WERE ALREADY ONGOING ACROSS THE HIGHER TERRAIN... AND THIS ACTIVITY MAY BECOME BETTER ORGANIZED BEFORE THE MAIN LINE CROSSES THE REGION. AS THE STORMS PROGRESS EASTWARD...THEY WILL BE CAPABLE OF OF PRODUCING GUSTY WINDS TO NEAR 50 MPH...SMALL HAIL...AND TORRENTIAL RAIN. ONE OR TWO OF THE STORMS COULD BRIEFLY REACH SEVERE STATUS IN WESTERN NORTH CAROLINA. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TELEVISION OR CABLE TELEVISION FOR THE LATEST WEATHER INFORMATION. 44
Special weather statement, Jul 12, 6:07 PM EDT, 15 minutes before
NCZ033-034-048>055-058-059-062>067-130100- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 607 PM EDT SAT JUL 12 2003 CORRECTED HEADLINE. ...STRONG THUNDERSTORMS TO AFFECT THE NORTH CAROLINA MOUNTAINS AND FOOTHILLS THIS EVENING.. AT 6 PM...WEATHER RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS ACROSS EAST TENNESSEE. THESE STORMS WILL SLOWLY SPREAD OVER THE NORTH CAROLINA MOUNTAINS...AND THE FOOTHILLS...THIS EVENING. SCATTERED STORMS WERE ALREADY ONGOING ACROSS THE HIGHER TERRAIN... AND THIS ACTIVITY MAY BECOME BETTER ORGANIZED BEFORE THE MAIN LINE CROSSES THE REGION. AS THE STORMS PROGRESS EASTWARD...THEY WILL BE CAPABLE OF OF PRODUCING GUSTY WINDS TO NEAR 50 MPH...SMALL HAIL...AND TORRENTIAL RAIN. ONE OR TWO OF THE STORMS COULD BRIEFLY REACH SEVERE STATUS IN WESTERN NORTH CAROLINA. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TELEVISION OR CABLE TELEVISION FOR THE LATEST WEATHER INFORMATION. 44
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 8:01 PM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 59 min |
| Jul 12, 4:47 PM EDT | Severe Thunderstorm Warning | GSP | Greenville | 48 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.