Daytime heating contributed to scattered thunderstorms that developed in the afternoon and evening along a surface boundary. Aided by dry air aloft, some of the storms reached severe limits.
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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 CAE wrote it up.
Daytime heating contributed to scattered thunderstorms that developed in the afternoon and evening along a surface boundary. Aided by dry air aloft, some of the storms reached severe limits.
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 6, 1:35 PM EST, 2 hours 19 minutes earlier.
Area Forecast Discussion National Weather Service Columbia SC 235 PM EDT Tue Jun 6 2023 .SYNOPSIS... A series of upper disturbances will support isolated to scattered afternoon and evening showers and thunderstorms this afternoon and Wednesday. A cold front will sink south through the area by Thursday with increased chances of storms Wednesday night and Thursday, before drier weather is expected Friday and Saturday. A low pressure system moving into the Ohio Valley is expected to spread deep moisture into the area Monday as a cold front approaches from the west. && .NEAR TERM /THROUGH TONIGHT/... A blocking pattern remains in place over the CONUS this afternoon with a strong ridge in the Great Plains and a persistent upper low centered over New England. This upper pattern is responsible for ushering smoke from Ontario wildfires into the region producing hazy skies for most this afternoon. At the surface, we have a weak boundary moving through North Carolina sinking south towards the forecast area. This boundary along with any remnant outflow boundaries from morning convection will likely aid in shower and thunderstorm development during the next few hours. The latest satellite imagery depicts scattered cumulus developing across the region with more robust development over Central Georgia where showers and thunderstorms have recently formed. Isolated to scattered showers and thunderstorms are likely to develop in and/or move into our area during the next few hours. The latest SPC outlook has expanded the Marginal (1/5) risk for severe weather across the entire CWA. SPC Mesoanalysis shows high CAPE values at or above 2000 J/Kg across the majority of the CWA in addition to PWATs over an inch. Modeled soundings show an Inverted-V signature in the lower levels of the atmosphere and a mid-level dry layer. This implies that any thunderstorms that form have the potential to become strong to severe possibly producing strong downburst winds and hail. Latest guidance suggests that convection will wind down quickly this evening, especially after sunset with the loss of daytime heating. Quiet weather is expected tonight once convection diminishes under clear to mostly clear skies. Temperatures are largely on track this afternoon with forecast highs in the upper 80s to near 90 degrees cooling into the lower to mid 60s by daybreak. && .SHORT TERM /WEDNESDAY THROUGH THURSDAY NIGHT/... Wednesday and Wednesday night...Deep closed low centered over New England continues to dominate the eastern CONUS with an omega block still in place with ridge in the Upper Midwest and another closed low out west. Several short wave troughs will be rotating through the base of the long wave trough mainly across North Carolina until late in the day or overnight as stronger forcing will be possible. As the low-mid level flow becomes west, drier air is expected to advect into the area with mos indicating dew points in the 50s through the morning into the afternoon. Stronger instability appears to be focus in the coastal plain most of the day...so went with lower pops in the Midlands. However, by late in the afternoon and especially after 00z...moisture will again increase as a cold front pushes south through the area from North Carolina. Lift may be enhanced by short wave troughs. Deep layer shear appears to increase to possibly above 40 kts by evening maybe a little stronger in the Pee Dee. Expect scattered showers and thunderstorms moving southeast across the Midlands late afternoon and evening with more isolated storms southwest across CSRA. The front appears to stall near the Savannah river late overnight and a few storms/showers may linger...however instability appears weak. High temps in the upper 80s to low 90s appears on track. Lows mainly in the low to mid 60s. Thursday and Thursday night...Cold front south of the area or near the Savannah River. Weak isentropic lift focused in the CSRA and south Midlands mainly through the morning then weakening. Still uncertainty as to where the front will be located in the afternoon but think it will be south of the area. Precipitation may be more stratiform given the front more likely south of the area. Stayed close to the blend pop guidance which has highest pops in the CSRA near the boundary as low level convergence will be stronger there. Lower pops in the north Midlands where moisture will be more limited. Latest guidance has precipitable water likely less than an inch and maybe near 0.5 inch from the north Midlands to the Pee Dee. Stronger instability in the coastal plain. Risk of severe weather appears to be south of the area across eastern/coastal GA. NBM max temp guidance shows spread in the members. With extensive clouds and some showers mainly in the morning and weak cold advection in the afternoon, favor cooler guidance. So highs in the mid to upper 70s north to mid 80s south. Cooler temps expected overnight with clearing...temps mainly in the mid to upper 50s. && .LONG TERM /FRIDAY THROUGH TUESDAY/... The upper pattern appears to change Friday as the deep low over New England shifts northeast and the flow becomes more zonal across the Carolinas. Air mass appears dry with pressure ridge building in from the mid Mississippi Valley. Precipitable water below 1 inch through Saturday then increasing Sunday as the low-level flow becomes more south. Ensembles showing an anomalous upper trough centered over the Great Lakes region with a deepening surface low over the Ohio Valley. Some differences on the amplitude of the trough but expect moisture to increase Monday ahead of a cold front approaching from the west...so good chance showers and thunderstorms. So will continue mainly diurnally driven convection Sunday and especially Monday. Seasonable Temperatures through the period. && .AVIATION /18Z TUESDAY THROUGH SUNDAY/... VFR Conditions Expected Outside of Convection.... Afternoon satellite imagery depicts scattered cumulus developing across the region with more robust development over Central Georgia. Isolated to scattered showers and thunderstorms are likely to develop during the next few hours. Confidence is highest at OGB/AGS/DNL where a TEMPO group for thunderstorms has been added. Will monitor trends and adjust TAFs as needed as development is possible at all terminals this afternoon. Any thunderstorms that develop have the potential to become strong to severe possibly producing strong downburst winds and hail. Latest guidance suggests that convection will wind down quickly this evening, especially after sunset with the loss of daytime heating. No significant restrictions are expected tonight and through the remainder of the TAF period. EXTENDED AVIATION OUTLOOK...Additional showers and thunderstorms are possible Wednesday afternoon and evening and on Thursday that may result in brief restrictions at the terminals. No restrictions are anticipated at this time through at least Saturday Night. && .CAE WATCHES/WARNINGS/ADVISORIES... GA...None. SC...None. &&
Hazardous Weather Outlook National Weather Service Columbia SC 349 AM EDT Tue Jun 6 2023 GAZ040-063>065-077-SCZ016-018-020>022-025>031-035-037-038-041-115- 116-135>137-070800- Lincoln-McDuffie-Columbia-Richmond-Burke-Chesterfield-McCormick- Newberry-Fairfield-Kershaw-Edgefield-Saluda-Lexington-Richland-Lee- Aiken-Sumter-Barnwell-Calhoun-Clarendon-Bamberg-Northern Lancaster- Southern Lancaster-Northwestern Orangeburg-Central Orangeburg- Southeastern Orangeburg- 349 AM EDT Tue Jun 6 2023 This Hazardous Weather Outlook is for the Midlands of South Carolina and the Central Savannah River area of Georgia. .DAY ONE...Today and tonight. Isolated to scattered showers and thunderstorms are expected with some storms possibly becoming strong to severe. Isolated damaging wind gusts and large hail will be the primary threats. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Isolated to scattered showers and thunderstorms are expected on Wednesday into Thursday as a cold front moves through the region. Some storms may become strong to severe. Isolated damaging wind gusts and large hail will be the primary threats. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
Special Weather Statement
National Weather Service Columbia SC
431 PM EDT Tue Jun 6 2023
GAZ063>065-077-062115-
Burke GA-Richmond GA-McDuffie GA-Columbia GA-
431 PM EDT Tue Jun 6 2023
...Strong thunderstorms will impact portions of southeastern
McDuffie, southern Columbia, northwestern Burke and southwestern
Richmond Counties through 515 PM EDT...
At 431 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 7 miles east of Warrenton to 6 miles southwest
of Harlem to 6 miles southwest of Fort Gordon. Movement was southeast
at 25 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Waynesboro, Hephzibah, McBean, Blythe, Keysville, Leitner Lake
Conference Center, Adamsville, Bath-Edie, Pea Patch Aerodrome,
Autney, Shell Bluff, Ellwood and Diamond Lakes Regional Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3338 8255 3337 8245 3340 8210 3317 8177
3310 8194 3310 8228 3322 8223 3326 8225
3327 8229 3331 8234 3331 8239 3334 8244
3334 8250 3336 8253 3335 8255
TIME...MOT...LOC 2031Z 299DEG 24KT 3337 8255 3335 8241 3335 8223
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
gplThe Columbia radar (KCAE), 110 km away, was scanning. The volume nearest the first event began at 20:54 UTC.
8 thunderstorm wind, 2 hail. Local standard time, as filed.
Richmond Co dispatch reported a tree and power line down at Peach Orchard Rd and Brown Rd. Time estimated.
Quarter size hail was reported by personnel at the Graphic Packaging International plant south of Bush Field.
A tree was downed onto a power line in the 100 block of Hopson Mill Rd near Blythe, GA. Time estimated.
A tree was downed onto a power line on West Quaker Rd in the Keysville area. Time estimated.
A large tree was downed on the 200 block of Spread Oak Rd. Time estimated.
Trees down on Hwy 80 near Susie Bailey Rd and Massey-Doss Rd between Waynesboro and Gough, GA. Time estimated.
Multiple trees were snapped or uprooted in Waynesboro City Park. Also, a tree fell onto a car near Spring Valley Rd and Wood Valley Rd, nearby. Time estimated.
Columbia Co dispatch reported nickel size hail at the Sheriff's office SE of Appling. Time estimated.
Columbia Co dispatch reported multiple trees down within the town limits of Harlem, including one that fell on a house and car on W. Forrest St. Time estimated.
Trees down at Wrightsboro Rd and Gateway Blvd, NE of Grovetown. Time estimated.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Georgia in 2023Every state in 2023This day in weather historyWarnings in Georgia, June 2023
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 2026-09-24. Each event’s entry at NCEI: 1092671, 1092670, 1092786, 1092787, 1092788, 1092789, 1092790, 1092684, 1092685, 1092678.