Alert archive / South Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 149, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 30, 2002, 6:13 PM EDT for Spartanburg County, South Carolina. It was in force for 47 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 30, 2002, 6:13 PM EDT (22:13 UTC)
- Expired
- Jun 30, 2002, 7:00 PM EDT
- In force
- 47 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Spartanburg County, SC
The radar
The Greer radar (KGSP), 22 km from the middle of the area, began a volume at 22:15 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 30, 6:40 PM EDT | Thunderstorm Wind 50 E | Woodruff, SC | Some trees were blown down across Interstate 26 near the Highway 221 exit. |
| Jun 30, 6:40 PM EDT | Hail 0.88 | Woodruff, SC |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.2 hours before the alert went out and 228 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
- 305 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 1132 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 13 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.
473 WUUS52 KGSP 302213 SVRGSP SCC083-302300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 612 PM EDT SUN JUN 30 2002 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN SPARTANBURG COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 700 PM EDT * AT 612 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 8 MILES SOUTH OF SPARTANBURG...OR ABOUT OVER MOORE...MOVING SOUTHWEST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... WOODRUFF AT 630 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. $$ HG
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 Jun 30, 3:53 PM EDT, 2 hours 20 minutes earlier.
Area forecast discussion, Jun 30, 3:53 PM EDT, 2 hours 20 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 353 PM EDT SUN JUN 30 2002 ISOLATED TO SCATTERED CONVECTION ACROSS THE CWFA TODAY. WILL DETERMINE JUST BEFORE ISSUANCE WHETHER TO INCLUDE ISOLATED OR SCT EVENING CONVECTION. ACTIVITY SHOULD DIE SHORTLY AFTER SUNSET. LOOKS LIKE A TYPICAL SUMMERTIME PATTERN THE NEXT SEVERAL DAYS. CWFA REMAINS JUST EAST OF THE UPPER RIDGE AXIS WITH A SURFACE TROF MEANDERING ACROSS THE AREA. WEAK IMPULSES ROTATE SOUTH DOWN THE RIDGE ACROSS THE AREA. LOW LEVEL MOISTURE REMAINS HIGH WITH SOMEWHAT DEEPER MOISTURE RETURNING TUESDAY. DIFFERENTIAL HEATING AND TROF TO PROVIDE THE LOW LEVEL CONVERGENCE. ATMOS REMAINS UNSTABLE WITH NO APPRECIABLE MID LEVEL WARMING NOTED. HARD TO PINPOINT WHERE AFT CONVECTION WILL OCCUR...SO WILL MENTION LOW CHC POP ACROSS ALL CWFA. NOTHING TO INDICATE MUCH ORGANIZATION...SO WILL JUST INCLUDE FOR AFT. SFC FNT MOVES SOUTH OF THE CWFA SATURDAY. ATMOS REMAINS MOIST AND UNSTABLE UNTIL THEN. WILL INCLUDE CHC AFT POP ALL AREAS THRU FRI. WILL KEEP SAT AND SUN DRY FOR NOW AS DRIER AIR MOVES IN. GSP 69 91 70 91 / 20 30 20 30 AND 69 91 70 91 / 20 30 20 30 CLT 69 90 70 92 / 10 30 20 30 HKY 68 89 68 90 / 10 30 20 30 AVL 64 85 65 86 / 20 30 20 30 .GSP... GA...NONE. NC...NONE. SC...NONE. RWH
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 6:35 PM EDT | Severe Thunderstorm Warning | GSP | Greenville | 40 min |
| Jun 30, 6:54 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Pickens | 66 min |
| Jun 30, 7:08 PM EDT | Flash Flood Warning | GSP | Greenville | 112 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.