Scattered thunderstorms produced microbursts that took down trees and powerlines around the Midlands.
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.
Scattered thunderstorms produced microbursts that took down trees and powerlines around the Midlands.
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 18, 2:49 AM EST, 25 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE COLUMBIA SC 349 AM EDT THU JUN 18 2009 .SYNOPSIS... WEAK LOW PRESSURE WILL EXIT THE AREA TODAY AS HIGH PRESSURE AND SLIGHTLY DRIER AIR WILL BUILD IN THROUGH THE WEEKEND. WITH THE HIGH PRESSURE TEMPERATURES WILL RISE TOWARD TRIPLE DIGITS ON FRIDAY AND SATURDAY. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... THUNDERSTORMS CONTINUE TO CROSS THE LOWER CSRA WITH A FEW STORMS ACROSS THE NORTHERN MIDLANDS AND PEE DEE. THE STORMS ACROSS THE NORTHERN MIDLANDS ARE NOT EXPECTED TO REACH SEVERE LIMITS...HOWEVER A FEW MAY CONTAIN LOCALLY HEAVY RAIN AND GUSTY WINDS. EXPECT THE SHOWERS AND THUNDERSTORMS TO EXIT THE FORECAST AREA BY DAYBREAK WITH THE REMAINDER OF THE MORNING HOURS PRECIP FREE. INSTABILITY WILL AGAIN INCREASE THIS AFTERNOON CREATING ANOTHER CHANCE OF THUNDERSTORMS...HOWEVER SLIGHTLY DRIER AIR WILL LIMIT SOME OF THE POTENTIAL. INSTABILITY AND POTENTIAL REACH A MAXIMUM DURING THE EVENING HOURS...ESPECIALLY ACROSS THE NORTHERN MIDLANDS AND PEE DEE. THUS WILL HAVE CHANCE POPS FOR THE NORTHERN HALF OF THE FORECAST AREA AND SLIGHT CHANCE SOUTH. TEMPERATURES WILL ALSO BE A FEW DEGREES WARMER THIS AFTERNOON WITH HIGHS IN THE MID 90S FOR MOST LOCATIONS. && .SHORT TERM /6 PM THIS EVENING THROUGH SATURDAY NIGHT/... WEAK HIGH PRESSURE AND AN UPPER LEVEL RIDGE WILL RETURN TO THE AREA FOR TONIGHT THROUGH SATURDAY NIGHT. AS THE HIGH RETURNS SLIGHTLY DRIER AIR WILL MOVE INTO THE REGION AND SUPPRESS CONVECTIVE POTENTIAL. ALTHOUGH HAVE KEPT POPS OUT OF THE FORECAST FOR FRIDAY AND SATURDAY WITH TEMPERATURES AROUND TRIPLE DIGITS THERE WILL BE SOME POTENTIAL FOR A STRAY SHOWER OR THUNDERSTORM...HOWEVER FEEL POTENTIAL TOO LOW TO INCLUDE IN FORECAST ATTM. && .LONG TERM /SUNDAY THROUGH WEDNESDAY/... WITH CURRENT CONVECTIVE ACTIVITY ACROSS THE FORECAST AREA NO CHANGES HAVE BEEN MADE TO THE LONG TERM FORECAST. && .AVIATION /07Z THURSDAY THROUGH MONDAY/... CONVECTIVE COMPLEX MOVING SOUTHWARD THROUGH THE CSRA OVERNIGHT. SHOWERS AND THUNDERSTORMS EXPECTED TO IMPACT KAGS AND KDNL BETWEEN 06Z AND 10Z. MVFR STRATO-CUMULUS DECK HAS DEVELOPED IN THE CENTRAL MIDLANDS...SHOULD CONTINUE THROUGH THE EARLY MORNING. FOR THURSDAY...SCATTERED AFTERNOON SHOWERS AND STORMS EXPECTED ACROSS THE AREA. EXTENDED AVIATION OUTLOOK...DECREASE IN CHANCE OF SHOWERS AND THUNDERSTORMS AS UPPER RIDGE BUILDS EAST THURSDAY NIGHT AND FRIDAY. ISOLATED THUNDERSTORMS SATURDAY AND SUNDAY...OTHERWISE VFR FORECAST. && .CAE WATCHES/WARNINGS/ADVISORIES... SC...NONE. GA...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 307 AM EDT THU JUN 18 2009 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-190715- LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD- MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON- RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON- BAMBERG- 307 AM EDT THU JUN 18 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY HEAT INDEX VALUES BETWEEN 100 AND 105 ARE POSSIBLE FRIDAY AND SATURDAY AS HOT WEATHER OVERSPREADS THE REGION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 1146 PM EDT WED JUN 17 2009 GAZ040-SCZ018-025-180445- EDGEFIELD-LINCOLN-MCCORMICK- 1146 PM EDT WED JUN 17 2009 ...A STRONG THUNDERSTORM WAS AFFECTING EDGEFIELD...LINCOLN AND MCCORMICK COUNTIES... AT 1145 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR CALHOUN FALLS MOVING SOUTHEAST AT 15 MPH. SMALL HAIL...AND WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS STORM. INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES. REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE IN COLUMBIA TOLL FREE AT 1 800 7 7 5 7 1 9 9.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
202 AM EDT THU JUN 18 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0105 AM TSTM WND DMG 1 ENE MCCORMICK 33.92N 82.27W
06/18/2009 MCCORMICK SC LAW ENFORCEMENT
MCCORMICK COUNTY SHERIFF REPORTED TREES AND POWERLINES
DOWN NEAR AIRPORT ROAD US 378 EAST.
0107 AM TSTM WND DMG 5 SSE MCCORMICK 33.85N 82.26W
06/18/2009 MCCORMICK SC LAW ENFORCEMENT
MCCORMICK COUNTY SHERIFF REPORTED TREES AND POWERLINES
DOWN ALONG US HIGHWAY 221/STATE 28 PARKSVILLE.
&&
AWPPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
236 AM EDT THU JUN 18 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0114 AM TSTM WND DMG 11 NNW EVANS 33.65N 82.24W
06/18/2009 COLUMBIA GA LAW ENFORCEMENT
A COUPLE OF TREES DOWN ALONG LAKE SPRINGS RD NEAR CLARKS
HILL RD...ONE ON THE ROAD AND ONE ON POWER LINES.
&&
ACMPRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE COLUMBIA SC
244 AM EDT THU JUN 18 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0105 AM TSTM WND DMG NNE MCCORMICK 33.92N 82.29W
06/18/2009 MCCORMICK SC LAW ENFORCEMENT
MCCORMICK COUNTY SHERIFF REPORTED TREES AND POWERLINES
DOWN NEAR AIRPORT ROAD US 378 EAST.
&&
ACMThe Columbia radar (KCAE), 63 km away, was scanning. The volume nearest the first event began at 08:13 UTC.
14 thunderstorm wind. Local standard time, as filed.
Large branches down near Fairfield Hill Rd.
Hickory Knob State Park reported several trees were down.
Sheriff reported trees down on Sumpit road and Milner road.
Sheriff reported trees down on Evans Mill road.
SKYWARN spotters reported trees down in Pomeria.
SKYWARN spotter reported trees down on Mt. Vintage Plantation road.
Sheriff and COOP observer reported trees and powerlines down. Some were on Horseshoe Bend and Reynolds roads.
NWS employee reported several trees down from Chapin to Ballentine to Irmo.
EM reported scattered trees down throughout the county.
Sheriff reported numerous trees down from Gaston to Swansea.
Public reported trees down in Heather Pond subdivision on Heather Pond road.
DOT reported trees down on Joe Collins and McCords Ferry roads.
DOT reported trees down on hwys 321 and 64 in Govan and Olar.
Sumter newspaper reported several trees down around town from severe storms.
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: 168214, 166654, 166656, 166658, 166655, 166657, 166662, 166661, 166659, 166660, 166663, 166665, 166664, 167195.