A very unstable environment existed ahead of an approaching cold front. Convection initiated in the wake of a departing meso-scale convective vortex during the late afternoon.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS ILM wrote it up.
A very unstable environment existed ahead of an approaching cold front. Convection initiated in the wake of a departing meso-scale convective vortex during the late afternoon.
The Columbia radar (KCAE), 123 km away, was scanning. The volume nearest the first event began at 21:20 UTC.
1 thunderstorm wind. Local standard time, as filed.
Trees were reported down along Highway 52. The report was relayed through the Williamsburg County 911 Center.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2009Every state in 2009This day in weather historyWarnings in South Carolina, June 2009
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 177088.