Alert archive / Georgia / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 49, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 1, 1998, 3:40 AM EDT for Franklin County, Georgia. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 1, 1998, 3:40 AM EDT (07:40 UTC)
- Expired
- May 1, 1998, 4:35 AM EDT
- In force
- 55 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Franklin County, GA
The radar
The Greer radar (KGSP), 108 km from the middle of the area, began a volume at 07:42 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.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 7.7 hours before the alert went out and 162 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
- 162 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 517 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
623 WUUS1 KGSP 010740 RRA SVRGSP GAC119-010835- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 340 AM EDT FRI MAY 1 1998 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG SC HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... FRANKLIN COUNTY IN NORTHEASTERN GEORGIA * UNTIL 435 AM EDT * AT 338 AM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM NEAR THE BANKS/FRANKLIN COUNTY LINE...ABOUT 20 MILES SOUTHWEST OF CARNESVILLE...MOVING NORTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CARNESVILLE AT 415 AM * ALTHOUGH LARGE HAIL IS THE BIGGEST THREAT WITH THIS SEVERE THUNDERSTORM...BRIEF DAMAGING WINDS COULD ALSO OCCUR. SAB
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 May 1, 1:39 AM EDT, 2 hours 1 minute earlier.
Area forecast discussion, May 1, 1:39 AM EDT, 2 hours 1 minute before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE/SPARTANBURG, SC
139 AM EDT FRI MAY 1 1998
FFC: CHC AM THUNDRSTORM...OTHRWS CLIGHT CHC RW THIS AFTN AND AGAIN
SATURDAY. BECOMING BREEZY LATE.
RAH: CHC AM RW/TRW MTNS...PM RW/TRW ERN SECTIONS. PARTLY SUNNY
FOR SAT.
CAE: CHC AM RW/TRW IN WEST...CHC PM RW EAST TDY AND SATURDAY
COLD FRONT APPROACHING ERN TN THIS AM...EXPECTED TO CROSS INTO NC MTNS
THIS MORNING...SHUD BE A SLO PROGRESSION EWRD BASED ON UPR LEVEL FLO
AND 00Z MDL RUNS. WATCHING TSTMS IN NE GA WEAKEN AS THEY ENTER MORE
STABLE ATMOS IN COLD AIR POOLING REGIME. ETA GRIDS BRING BRUNT OF COLD
POOL CLOSE TO NC MTNS LATE AFTN...BUT BY THAT TIME THE BEST LOW LVL
MOISTR CNVRGNC AND OMEGA SHUD BE ALONG COAST IN DVLPNG BAROCLINIC
ZONE...SO ONLY SLIM THUNDR CHCS FOR AFTN IN WEST. HWVR..AMPLE LOW LEVEL
MOISTR REMAINS TO KEEP SUNSHINE TO A MINIMUM.
DOWNSLOPE FLO SHUD HELP SCOUR OUT LOW LVL CLOUDS IN FVRD AREAS LATE
TNT...BUT ST SHUD FORM AGAIN IN PREDAWN. WITH LEE TROF REMAINING IN
VCNTY CWA THROUGH SAT...SHUD SEE ONLY PARTLY SUNNY SKIES OUTSIDE OF
MTNS SAT AND WITH TAIL END OF FIRST UPR TROF..VARIOUS SHORTWAVES CUD
TRIGGER AN ISOLD RW ALMOST ANYWHERE. MTNS SHUD STAY CLOUDY INTO
SATURDAY...AND CWA REMAINS UNSTABLE AS WE AWAIT APPROACH OF NEXT UPR
LEVEL SYSTEM FOR END OF WKND.
AVL 59/49/62 4/2/2
CLT 66/53/68 5/1/2
GSP 67/52/68 4/1/2
BURRUSNearby
Severe Thunderstorm Warnings in Georgia, 1998Every severe thunderstorm warning in 1998
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.