A combination of strong daytime heating and a stalled surface front promoted slow moving thunderstorms across central SC, some of which produced hail, wind damage and/or localized heavy rainfall and flooding.
Every event with a place to put it. Tap one for its entry below.
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 CAE wrote it up.
A combination of strong daytime heating and a stalled surface front promoted slow moving thunderstorms across central SC, some of which produced hail, wind damage and/or localized heavy rainfall and flooding.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Columbia, SC wrote its last area forecast discussion before the first event at May 23, 6:31 PM EST, 20 hours 14 minutes earlier.
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</html>The Columbia radar (KCAE), 89 km away, was scanning. The volume nearest the first event began at 19:43 UTC.
4 thunderstorm wind, 3 hail, 1 flash flood. Local standard time, as filed.
Elgin FD reported quarter inch to half inch size hail at the fire station.
Lancaster Co dispatch reported trees down at Banner Rd and Old Camden Hwy near Elgin. Time estimated.
Public provided a report, via social media, of quarter size hail and included a video of the hail, at Cane Mill Rd and Providence Rd. Time estimated.
Lancaster Co dispatch reported trees down in the town of Lancaster, including 6th St and Springdale Rd. Time estimated.
A social media report, along with a photo, indicated downed trees in the backyard of a residence. Time estimated.
Many trees were snapped or uprooted. Two or three mature hickory trees fell onto a house causing significant damage.
Pea size hail reported in Hazelwood Acres.
Several streets on Fort Jackson were reported impassable due to flash flooding, including portions of Marion St, Imboden St, Lee St and Hill St.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2020Every state in 2020This day in weather historyWarnings in South Carolina, May 2020
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: 889388, 889383, 889381, 889384, 889385, 889387, 889389, 883165.