A squall line moved rapidly east to southeast from the mountains through the Midlands of South Carolina taking down numerous trees and powerlines and producing some hail.
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 squall line moved rapidly east to southeast from the mountains through the Midlands of South Carolina taking down numerous trees and powerlines and producing some hail.
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 15, 6:46 PM EST, 7 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE COLUMBIA SC 746 PM EDT WED JUN 15 2011 .SYNOPSIS... HIGH PRESSURE WILL RIDGE INTO THE REGION FROM THE NORTH TODAY. A STATIONARY FRONT SOUTH OF AREA WILL LIFT NORTH ACROSS THE AREA TONIGHT. A COLD FRONT WILL MOVE INTO THE AREA THURSDAY AND STALL FOR THE WEEKEND. && .NEAR TERM /UNTIL 6 AM THURSDAY MORNING/... UPDATE...LINE OF THUNDERSTORMS ACROSS THE UPSTATE AND NORTH GEORGIA...WITH A HISTORY OF PRODUCING SEVERE WEATHER...MOVING SE INTO OUR FA. SEVERE THUNDERSTORM WATCH UNTIL MIDNIGHT. PREVIOUS DISCUSSION...UPPER RIDGE WILL MOVE ACROSS THE REGION THIS AFTERNOON. DEWPOINTS IN THE MID TO UPPER 50S. MOISTURE SHOULD INCREASE DURING THE AFTERNOON BUT IT LOOKS LIKE THE PRECIPITATION WILL PROBABLY BE DELAYED UNTIL THIS EVENING AND OVERNIGHT. WITH A FEW BOUNDARIES AND POSSIBLY A SEA BREEZE...CANNOT RULE OUT ISOLATED CONVECTION DOWN IN THE SOUTHEAST PART OF THE FORECAST AREA LATE THIS AFTERNOON. A FRONTAL BOUNDARY TO THE SOUTH IS FORECAST TO LIFT NORTHWARD ACROSS THE AREA OVERNIGHT. MODELS ALSO INDICATING A SHORT WAVE CROSSING THE AREA. AIRMASS IS FORECAST TO BECOME MODERATELY UNSTABLE. SO WILL HAVE POPS INCREASING FROM 20 PERCENT EARLY TO AROUND 60 PERCENT AFTER MIDNIGHT. MOISTURE...INSTABILITY AND LIFT SHOULD BE PRESENT. A FEW STRONG TO SEVERE STORMS ARE POSSIBLE. && .SHORT TERM /6 AM THURSDAY MORNING THROUGH THURSDAY NIGHT/... COLD FRONT ENTERS REGION FROM THE WEST BY THE AFTERNOON. FAIRLY HIGH POPS 40-60 PERCENT THURSDAY MORNING DECREASE TO 20-30 PERCENT DURING THE AFTERNOON. AIRMASS UNSTABLE ENOUGH FOR THUNDERSTORMS AHEAD OF THE FRONT. AFTERNOON HIGHS IN THE LOWER 90S THURSDAY. CONVECTIVE TEMPERATURES IN THE MID TO UPPER 80S. A FEW STORMS MAY BECOME SEVERE AND SPC HAS AREA IN SLIGHT RISK FOR SEVERE STORMS. 12 KM NAM 0-3 KM SHEAR STRONG AT 200-300 M2/S2 OVER THE AREA THURSDAY. SOME SHOWERS AND A FEW STORMS LINGER INTO THURSDAY EVENING BUT CONDITIONS DRY OUT NEAR MIDNIGHT. LOW TEMPERATURES IN THE UPPER 60S TO LOWER 70S. && .LONG TERM /FRIDAY THROUGH WEDNESDAY/... MEDIUM RANGE MODELS INDICATE UPPER TROUGHS OVER THE EASTERN AND WESTERN PART OF THE COUNTRY WITH RIDGING THROUGH THE CENTRAL U.S. A STALLED FRONTAL BOUNDARY LOOKS TO LINGER THROUGH THE WEEKEND PROVIDING A CHANCE OF AFTERNOON/EVENING THUNDERSTORMS THROUGH THE WEEKEND. AS THE RIDGE SHIFTS EASTWARD INTO NEXT WEEK EXPECT TEMPERATURES TO CONTINUE IN THE MID TO UPPER 90S. && .AVIATION /00Z THURSDAY THROUGH MONDAY/... UPDATE...MAIN STORY IN THE NEAR TERM IS THE BAND OF THUNDERSTORMS MOVING INTO OUR FA FROM THE UPSTATE EARLY TONIGHT. SOME OF THESE COULD BE SEVERE. SECONDARY BATCH OF SHOWERS AND THUNDERSTORMS CURRENTLY ACROSS TENN...MAY HOLD TOGETHER AND MOVE IN LATE TONIGHT. PREVIOUS DISCUSSION...WEAK FRONTAL BOUNDARY SHOULD MOVE NORTH EARLY TONIGHT WITH AN INFLUX OF MOISTURE TO THE REGION. A COLD FRONT WILL APPROACH FROM THE WEST LATE TONIGHT AND ENTER THE FORECAST AREA BY THURSDAY AFTERNOON. INITIAL VFR CONDITIONS TONIGHT BUT AS MORE MOISTURE BECOMES AVAILABLE...MVFR CIGS 2-3 KT EXPECTED AND ALSO SOME VSBYS 4-5 MILES IN SHOWERS. BRIEF IFR CONDITIONS MAY OCCUR IN HEAVIER SHOWERS AND THUNDERSTORMS. EXTENDED AVIATION OUTLOOK...DIURNALLY CONVECTIVE ACTIVITY WITH DAYTIME HEATING AS IMPULSES MOVING ACROSS THE REGION IN THE NORTHWEST FLOW INTO NEXT TUESDAY WILL PRODUCE BRIEF PERIODS OF IFR/MVFR CONDITIONS IN SHOWERS AND THUNDERSTORMS. && .CAE WATCHES/WARNINGS/ADVISORIES... SC...NONE. GA...NONE. &&
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE COLUMBIA SC 737 PM EDT WED JUN 15 2011 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-162345- LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD- MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON- RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON- BAMBERG- 737 PM EDT WED JUN 15 2011 ...SEVERE THUNDERSTORM WATCH 481 IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. SLIGHT RISK OF SEVERE THUNDERSTORMS THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION NEEDED THIS EVENING AND EARLY TONIGHT...AND MAY BE NEEDED THURSDAY.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
541 PM EDT WED JUN 15 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0530 PM TSTM WND DMG 4 NW FRANKLIN 35.23N 83.43W
06/15/2011 MACON NC
PUBLIC
PUBLIC REPORT TREES DOWN NEAR MACON COUNTY AIRPORT
0535 PM TSTM WND GST WAYNESVILLE 35.48N 83.00W
06/15/2011 E65.00 MPH HAYWOOD NC PUBLIC
RADIO STATION IN WAYNESVILLE REPORTED 60 TO 70 MPH WINDS.
&&
AWPPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
556 PM EDT WED JUN 15 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0525 PM TSTM WND DMG SYLVA 35.37N 83.22W
06/15/2011 JACKSON NC PUBLIC
NUMEROUS TREES REPORTED DOWN IN SILVA.
&&
AWPPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
657 PM EDT WED JUN 15 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0637 PM HAIL 6 NW GREER 35.00N 82.31W
06/15/2011 E1.75 INCH GREENVILLE SC AMATEUR RADIO
GOLF BALL SIZED HAIL REPORTED NEAR LAKE ROBINSON
0637 PM TSTM WND DMG 5 NW TRAVELERS REST 35.02N 82.50W
06/15/2011 GREENVILLE SC AMATEUR RADIO
TREES DOWN AT US 276 AND BATES CROSSING ROAD
&&
AWPPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
701 PM EDT WED JUN 15 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0643 PM TSTM WND GST GREENEVILLE 36.17N 82.82W
06/15/2011 E0 MPH GREENE TN AMATEUR RADIO
WIND GUSTS TO 60 MPH REPORTED NEAR AIRPORT AND JORDAN
ROAD.
0648 PM HAIL GREER 34.94N 82.23W
06/15/2011 E1.00 INCH GREENVILLE SC AMATEUR RADIO
1 INCH HAIL REPORTED NEAR GREENVILLE-SPARTANBURG AIRPORT
ALONG WITH FLYING DEBRIS
&&
AWPPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
706 PM EDT WED JUN 15 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0648 PM HAIL GREER 34.94N 82.23W
06/15/2011 E1.00 INCH GREENVILLE SC AMATEUR RADIO
QUARTER SIZED HAIL REPORTED NEAR DOPPLER DRIVE
0648 PM TSTM WND GST GREER 34.94N 82.23W
06/15/2011 M60 MPH GREENVILLE SC ASOS
WIND GUST TO 60 MPH REPORTED BY ASOS AT
GREENVILLE-SPARTANBURG AIRPORT
&&
AWPPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
712 PM EDT WED JUN 15 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0652 PM TSTM WND DMG GREER 34.94N 82.23W
06/15/2011 GREENVILLE SC AMATEUR RADIO
8 INCH LIMBS DOWN ON SC 357 NEAR STEWARTS ESTATE
&&
AWPThe Greer radar (KGSP), 69 km away, was scanning. The volume nearest the first event began at 23:54 UTC.
30 thunderstorm wind. Local standard time, as filed.
Fire dept. reported trees and powerlines from Whitmire to I-26.
EM reported powerlines and numerous trees down...some on vehicles...across the eastern half of the county including Whitmire...Newberry...and Prosperity.
EM reported many trees down in the western part of Fairfield county.
EM reported multiple trees down county wide.
Sheriff reported trees and powerlines down in the northern end of the county around Mt. Carmel.
Sheriff reported trees down in the Plum Branch area. The McCormick Messenger Newspaper also reported a boat shed destroyed on Landam Creek Road in Plum Branch.
Sheriff reported a few trees down around the Chapin community.
Sheriff reported trees and powerlines down in Edgefield...Johnston, Trenton, and other areas around the county.
Sheriff reported trees and powerlines down around the Blythewood area.
Sheriff reported trees and a few powerlines down in the Ballentine and Irmo areas.
Sheriff reported several trees and powerlines down around Lexington.
Highway Patrol reported numerous trees down in the northeast Columbia area.
Highway Patrol reported a tree in the roadway at McMillian and Sandbar Ferry roads.
Highway Patrol reported a tree in the roadway at Silver Bluff Landing off Old Jackson road.
Wind gust measured at 53 knots...or 61 mph...at McEntire Air National Guard Base.
Sheriff reported trees and powerlines down along Atomic Road and other areas of southeast Aiken county.
A county official reported trees down on Bull Swamp road.
Dispatch reported trees down on Bull Swamp road.
Dispatch reported trees down on Dr. Boyleton road.
Dispatch reoprted a powerline down on Goodland Drive.
Highway Patrol reported trees down ant Murph Mill road and Seetwater Lane.
Sheriff reported trees and powerlines down near Hwy 176 and Caw Caw road.
Sheriff reported trees and powerlines down in the Jackson area.
DOE at the Savannah River Site reported many trees down around the facility.
Highway Patrol reported trees down at Furman Field road and Hwy 441.
Highway Patrol reported a tree down across the road at SC 300 and Emerald Lane.
Highway Patrol reported a tree down in the road at SC 3 and US 278.
Sheriff reported trees down in north Orangeburg between US 21 and US 601.
Sheriff reported trees and powerlines down in the Barnwell area along with street flooding.
Dispatch reported trees down countrywide.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2011Every state in 2011This day in weather historyWarnings in South Carolina, June 2011
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: 299919, 299921, 299922, 299923, 299924, 299925, 299927, 299926, 299930, 299928, 299929, 299931, 299934, 299935, 299936, 299932, 299933, 299942, 299943, 299944, 299938, 299947, 299937, 299957, 299939, 299945, 299946, 299948, 299940, 299941.