Alert archive / South Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 62, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 11, 2002, 3:18 AM EDT for Greenwood County, South Carolina. It was in force for 42 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 11, 2002, 3:18 AM EDT (07:18 UTC)
- Expired
- May 11, 2002, 4:00 AM EDT
- In force
- 42 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Greenwood County, SC
The radar
The Greer radar (KGSP), 82 km from the middle of the area, began a volume at 07:21 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, 7.3 hours before the alert went out and 236 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
- 1830 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 938 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 4.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KGSP 110718 SVRGSP SCC047-110800- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 318 AM EDT SAT MAY 11 2002 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN GREENWOOD COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 400 AM EDT * AT 318 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES EAST OF GREENWOOD...OR ABOUT 3 MILES WEST OF NINETY SIX...MOVING EAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... NINETY SIX AT 320 AM EDT. DYSON AT 345 AM EDT. ALTHOUGH LARGE HAIL IS THE BIGGEST THREAT WITH THIS SEVERE THUNDERSTORM...BRIEF DAMAGING WINDS COULD ALSO OCCUR. $$ WAJ
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 10, 10:18 PM EDT, 5 hours earlier.
Area forecast discussion, May 10, 10:18 PM EDT, 5 hours before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1018 PM EDT FRI MAY 10 2002 BOTH THE ETA AND AVN WANT TO GENERATE A FAIR AMOUNT OF QPF OVER THE SRN HALF OF THE CWA BEGINNING 6-9 UTC. THIS IS RESPONSE TO INCREASING UPGLIDE OVER LLVL BNDRY. UPPER LEVEL SUPPORT IS NOT GREAT AS WE WILL BE IN WEAK NVA BY THE TIME THE BEST LLVL OMEGA IS PROGGED BY THE MODELS. HOWEVER...I CAN/T IGNORE THE OMEGA AND THE QPF AND WL UP POPS TO LIKELY FORM CLT-AVL AND POINTS SOUTH. WL GO 50 POP NORTH OF THIS LINE. .GSP... GA...NONE. NC...NONE. SC...NONE. MCAVOY
Nearby
Severe Thunderstorm Warnings in South Carolina, 2002Every severe thunderstorm warning in 2002
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.