Strong daytime heating, and surface boundaries, produced scattered severe thunderstorms in the afternoon and evening.
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.
Strong daytime heating, and surface boundaries, produced scattered severe thunderstorms in the afternoon and evening.
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 Jun 11, 12:14 PM EST, 11 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service Columbia SC 939 AM EDT Mon Jun 11 2018 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-121345- Lincoln-McDuffie-Columbia-Richmond-Burke-Lancaster-Chesterfield- McCormick-Newberry-Fairfield-Kershaw-Edgefield-Saluda-Lexington- Richland-Lee-Aiken-Sumter-Barnwell-Orangeburg-Calhoun-Clarendon- Bamberg- 939 AM EDT Mon Jun 11 2018 This Hazardous Weather Outlook is for the Midlands of South Carolina and the Central Savannah River area of Georgia. .DAY ONE...Today and Tonight. Numerous thunderstorms are forecast especially during the 600 pm to 900 pm time frame. Damaging wind and hail will be possible with the thunderstorms. There may also be very heavy rainfall with possible localized flooding. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Thunderstorms will be possible, especially during the afternoons and evenings. A few storms could contain strong wind and locally heavy rain. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required this afternoon or evening.
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</html>The Columbia radar (KCAE), 17 km away, was scanning. The volume nearest the first event began at 17:26 UTC.
7 thunderstorm wind, 4 hail, 1 flash flood. Local standard time, as filed.
Pea size hail at Pineview-Garners Ferry EMS Station. Time estimated.
Pea size hail fell, and a sign was blown down, on US Hwy 378 near Horrel Hill.
A wind gust of 52 MPH was recorded at McEntire JNGB.
SCHP reported trees down on Goodwin Rd at Goodwin Way. Time estimated.
Pea to dime size hail was reported between Wedgefield and Shaw AFB. Time estimated.
Report of small hail on US Hwy 21 in Sandy Run near the Lexington/Calhoun Co line.
Report received via social media of trees down and dime size hail near St. Matthews. Time estimated.
Trees down on power lines near Mayesville.
SCHP reported tree down on I-95 southbound at mm146. Time estimated.
Trees down in the eastern portions of the Savannah River Site.
Tree down at Bethel Christian Camp off of Boy Scout Rd.
Law enforcement closed Knox Abbott Dr near State St due to rapidly moving water over the roadway. Video of the officers blocking the roadway was sent by a trained spotter via social media.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2018Every state in 2018This day in weather historyWarnings in South Carolina, June 2018
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: 760218, 760219, 760220, 760208, 760222, 760224, 760209, 760212, 760213, 760214, 760215, 760207.