Alert archive / Georgia / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 30, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 29, 2003, 5:19 PM EDT for Rabun County, Georgia. It was in force for 56 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
- Apr 29, 2003, 5:19 PM EDT (21:19 UTC)
- Expired
- Apr 29, 2003, 6:15 PM EDT
- In force
- 56 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Rabun County, GA
The radar
The Greer radar (KGSP), 109 km from the middle of the area, began a volume at 21:19 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, 9.3 hours before the alert went out and 185 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
- 11 J/kg
- Mixed-layer CIN
- -376 J/kg
- Mixed-layer LCL
- 1529 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
619 WUUS52 KGSP 292119 SVRGSP GAC241-292215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 517 PM EDT TUE APR 29 2003 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEAST RABUN COUNTY IN NORTHEAST GEORGIA * UNTIL 615 PM EDT * AT 517 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTH OF CLAYTON...OR ABOUT 4 MILES SOUTHEAST OF LAKEMONT. THE STORM WAS NEARLY STATIONARY. * THE SEVERE THUNDERSTORM WILL REMAIN NEARLY STATIONARY NEAR TALLULAH FALLS. 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 3474 8343 3471 8336 3480 8331 3483 8347 $$ LANE/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 Apr 29, 3:22 PM EDT, 1 hour 57 minutes earlier.
Area forecast discussion, Apr 29, 3:22 PM EDT, 1 hour 57 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 322 PM EDT TUE APR 29 2003 LAPS 18Z CAPES ARE RUNNING GENERALLY >1500 J/KG WITH LITTLE CIN. RADAR SHOWING A FEW SH AND TS DEVELOPING OVER NC COUNTIES. WITH AN OLD BOUNDARY...LEE TROF...AND THE AMOUNT OF INSTABILITY OVER THE FA EXPECT THE POPULATION OF SH/TS TO GROW INTO THE EARLY EVENING. HAVE HELD ONTO MENTION INTO THE EVENING HOURS AS STORMS WILL GRADUALLY ASH OUT AFTER DUSK. IN THE MEANTIME...STORMS WILL BE PULSE-LIKE AND WOULD NOT BE SURPRISED TO SEE A ISOLATED WIND OR HAIL EVENT. H5 RIDGE WILL BUILD OVERNIGHT AND OVERALL A SUMMER-LIKE PATTERN. AGAIN DIURNAL TS STILL THE MAIN CONCERN FOR WEDNESDAY. WITH RETURN FLOW AHEAD OF DEVELOPING PLAINS LOW DEWPOINTS WILL REMAIN IN THE U50 AND L60S WITH ANOTHER DAY IN THE 70-80S. ATMOS MOISTURE WILL ALSO INCREASE MAKING A INTERESTING AFTERNOON SOUNDING. MODIFIED TO EXPECTED LLVL VALUES CAPES ARE EXPECTED IN THE 1500-2500 J/KG RANGE. WITH A MORE FAVORABLE WIND PATTERN WILL KEEP CHC POPS UP AROUND 40%. THIS IS SUPPORTED WITH MOS POPS...AND COULD BE TOO LOW...ESPECIALLY WITH FWC THUNDER POPS IN THE LIKELY RANGE. THURS...AGAIN DIURNAL TS IS THE MAIN CONCERN. FRI...A FOCUSING MECHANISM ARRIVES IN THE FROM OF A COLD FRONT. INSTABILITY REMAINS IN PLACE AND WILL KEEP CHC POPS FOR CONVECTION. A COLD FRONT SHOULD CROSS THE FORECAST AREA SATURDAY MORNING. ALTHO THERE IS SOME POSSIBILITY OF LINGERING SHOWERS AFTER SUNRISE AS HINTED BY THE 00Z GFS...WILL KEEP THE FORECAST DRY BASED ON THE DRIER 06Z RUN...THINKING THAT ANY POST FRONTAL CONVECTION WILL NOT DEVELOP UNTIL AFTERNOON WHEN FRONT IS NEARLY TO THE COAST. LATEST GUIDANCE TEMPS ARE MUCH WARMER FOR SATURDAY AFTERNOON. WILL RAISE TEMPS A CATEGORY THINKING THAT CLEAR SKY BEHIND FRONT AND DOWNSLOPE E OF MOUNTAINS WILL MORE THAN COUNTERACT WEAK COLD ADVECTION IN THE AFTERNOON. SUNDAY AND MONDAY ARE QUIET AND GUIDANCE WILL BE FOLLOWED CLOSELY. ON TUESDAY...THE GFS DEVELOPS A RETURN FLOW OF MOISTURE ACROSS THE AREA. PRECIP IN GFS IS NO DOUBT OVERDONE IN THE MOISTENING PRE-FRONTAL AIR MASS THAT SHOULD BE IN PLACE...BUT SCATTERED CONVECTION SEEMS A GOOD BET. FCSTID = 16 GSP 60 80 59 80 / 50 40 40 30 AND 59 81 59 80 / 40 40 40 30 CLT 58 81 59 81 / 30 40 40 30 HKY 58 77 59 78 / 50 40 40 30 AVL 55 76 55 77 / 50 40 40 30 .GSP... GA...NONE. NC...NONE. SC...NONE. NED/MOORE
Hazardous weather outlook, Apr 29, 6:10 AM EDT, 11 hours 9 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-291210- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 610 AM EDT TUE APR 29 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE... SCATTERED THUNDERSTORMS ARE POSSIBLE...MAINLY THIS AFTERNOON. A FEW THESE STORMS WILL BE CAPABLE OF PRODUCING BRIEF HEAVY RAIN AND CLOUD TO GROUND LIGHTNING...AND POSSIBLY EVEN SOME SMALL HAIL. .DAYS TWO THROUGH SEVEN... EXPECT A DAILY CHANCE OF THUNDERSTORMS WEDNESDAY THROUGH FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
In the hours before
Special weather statement, Apr 29, 4:06 PM EDT, 1 hour 13 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-300300- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 406 PM EDT TUE APR 29 2003 ...SEVERE THUNDERSTORMS POSSIBLE ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA THIS EVENING... LATE THIS AFTERNOON...A LINE OF SCATTERED THUNDERSTORMS HAD DEVELOPED ALONG A TROUGH OF LOW PRESSURE...FROM THE GEORGIA AND SOUTH CAROLINA MOUNTAINS...THROUGH THE SOUTHERN NORTH CAROLINA FOOTHILLS...INTO THE NORTHEWEST PIEDMONT OF NORTH CAROLINA. THIS LINE OF STORMS WILL CONTINUE TO DRIFT SOUTHEAST THROUGH THE REMAINDER OF THE AFTERNOON AND INTO THE EVENING...AND MAY EVENTUALLY AFFECT THE I-85 CORRIDOR...FROM ANDERSON...TO GREENVILLE- SPARTANBURG...TO CHARLOTTE BETWEEN 5 AND 6 PM. OTHER ISOLATED TO SCATTERED STORMS COULD DEVELOP BEHIND OR AHEAD OF THIS LINE THIS AFTERNOON AND EVENING. ANY STORMS THAT DEVELOP WILL BE CAPABLE OF PRODUCING BRIEF PERIODS OF LARGE HAIL...AND ISOLATED DAMAGING WIND GUSTS. THE STORMS WILL BEGIN TO WEAKEN AROUND SUNSET. SPOTTER GROUPS SHOULD BE PREPARED TO ACTIVATE QUICKLY LATE THIS AFTERNOON AND THIS EVENING. DISPATCHERS SHOULD ENSURE COUNTY EMERGENCY MANAGEMENT OFFICIALS ARE AWARE OF THIS INFORMATION. LANE
Local storm report, Apr 29, 4:17 PM EDT, 1 hour 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
417 PM EDT TUE APR 29 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
330 PM TURNERSBURG NC .75 INCH HAIL
04/29/03 IREDELL POST OFFICE REPORTED.
345 PM COOL SPRINGS NC .75 INCH HAIL
04/29/03 IREDELL REPORTED BY JONES
GROCERY.
405 PM TAMASSEE SC 1.75 INCH HAIL
04/29/03 OCONEE HAIL NEARLY BROKE
WINDSHILED. REPORTED BY
TAMASSEE STORE.
JATLocal storm report, Apr 29, 4:56 PM EDT, 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
456 PM EDT TUE APR 29 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
450 PM SPINDALE NC 1.00 INCH HAIL
04/29/03 RUTHERFORD PUBLIC REPORT.
JATLocal storm report, Apr 29, 5:02 PM EDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
502 PM EDT TUE APR 29 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
450 PM GREEN HILL NC 1.75 INCH HAIL
04/29/03 RUTHERFORD COUNTY EOC REPORT.
JATThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 5:00 PM EDT | Severe Thunderstorm Warning | GSP | Habersham, Stephens | 60 min |
| Apr 29, 6:01 PM EDT | Severe Thunderstorm Warning | GSP | Habersham | 59 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 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.