Alert archive / South Carolina / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 95, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 17, 1998, 10:44 PM EDT for Anderson County, South Carolina. It was in force for 66 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 17, 1998, 10:44 PM EDT (02:44 UTC)
- Expired
- May 17, 1998, 11:50 PM EDT
- In force
- 66 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Anderson County, SC
The radar
The Greer radar (KGSP), 56 km from the middle of the area, began a volume at 02:48 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, 2.7 hours before the alert went out and 214 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
- 343 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 1866 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.7
The text
As transmitted, in the capitals the NWS used until 2016.
460 WUUS1 KGSP 180245 RRA SVRGSP SCC007-180350- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1044 PM EDT SUN MAY 17 1998 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ANDERSON COUNTY IN SOUTH CAROLINA * UNTIL 1150 PM EDT * AT 1044 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHEAST OF ANDERSON...MOVING SOUTHWEST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ANDERSON AT 1055 PM STARR AT 1105 PM ALTHOUGH LARGE HAIL IS THE BIGGEST THREAT WITH THIS SEVERE THUNDERSTORM...BRIEF DAMAGING WINDS COULD ALSO OCCUR. RWH
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 17, 8:36 PM EDT, 2 hours 8 minutes earlier.
Area forecast discussion, May 17, 8:36 PM EDT, 2 hours 8 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 836 PM EDT SUN MAY 17 1998 CAE/FFC: WILL PROB NEED TO CONT ISOLD TSRA A LITTLE LONGER. LOWS PROB A LITTLE LOW ESP SRN SECTIONS. SFC FNT HAS MOVED THRU THE CWA BUT HAS STALLED. MOISTURE POOLING ACROSS UPSTATE AND NE GA. DEW POINTS STILL IN THE UPPER 60S TO AROUND 70. HAVE REACHED 70 HERE AT GSP JUST NOW. BIG MOISTURE GRADIENT AS LOWER 60 DEW POINTS JUST ACROSS BORDER IN NC. UPR WAVE NOTED ON WV LOOP HAS HAS FIRED SCT STRONG TSRA ACROSS NE GA AND ISOLATED STRONG TSRA IN UPSTATE. CELL OVR PICKENS CO SC HAS WEAKENED BUT LOOKING OUTSIDE LOTS OF TCU TO EITHER SIDE OF CELL. 00Z FFC/GSO RAOBS STILL UNSTABLE. LACK OF MOISTURE WILL PROBABLY PRECLUDE TSRA FORMATION IN NC BUT WILL CONTINUE A WHILE LONGER IN NE GA/UPSTATE UNTIL MOISTURE DECREASES OR WAVE PASSES. SKY CONDITIONS TOO OPTIMISTIC IN GA AS ARE TEMPS. UNLESS SIGNIFICANT DRYING TAKES PLACE LOWS ARE TOO LOW THERE. MAY BE TOO LOW UPSTATE AS WELL FOR SAME REASONS. TEMPS LOOK GOOD IN NC WITH LOWER DEW POINTS THERE. RWH
Nearby
Severe Thunderstorm Warnings in South Carolina, 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.