Damaging winds were reported from a thunderstorm over the northwest Piedmont of South Carolina during the early evening hours.
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The episode as NWS GSP wrote it up.
Damaging winds were reported from a thunderstorm over the northwest Piedmont of South Carolina during the early evening hours.
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 Greenville-Spartanburg, SC wrote its last area forecast discussion before the first event at Aug 31, 1:47 PM EST, 3 hours 3 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 247 PM EDT SUN AUG 31 2008 .SYNOPSIS... A WEAK COLD FRONT ACROSS THE WESTERN CAROLINAS WILL BECOME STATIONARY ACROSS THE SOUTHERN UPSTATE TONIGHT. HIGH PRESSURE WILL THEN BUILD INTO THE REGION ON MONDAY AND SHOULD PUSH THE FRONT SOUTH OF THE AREA. DRY AND SEASONABLE CONDITIONS WILL REMAIN FROM TUESDAY THROUGH THURSDAY. TROPICAL CYCLONE HANNA COULD AFFECT THE SOUTHEASTERN UNITED STATES FRIDAY THROUGH THE WEEKEND. && .NEAR TERM /THROUGH MONDAY/... OVER THE NEXT 24 HOURS...A LARGE UPPER ANTICYCLONE WILL CONTINUE TO BUILD OVER THE GREAT LAKES AND OH VALLEY...WHICH WILL SUPPORT A SURFACE HIGH MOVING SLOWLY OVER THE LOWER GREAT LAKES/SRN ONTARIO. THIS SHOULD DRIVE A BACK DOOR COLD FRONT FROM THE MID ATLANTIC DOWN ACROSS THE CAROLINAS TONIGHT AND MONDAY MORNING. LOW LEVEL MOISTURE AHEAD AND POOLED ALONG THIS BOUNDARY SHOULD FUEL ISOLATED TO SCATTERED DEEP CONVECTION FOR THE REST OF THE DAY AND INTO THE OVERNIGHT HOURS...SIMILAR TO THE PREVIOUS FEW DAYS. A DEVELOPING EASTERLY FLOW SHOULD PUSH THE CLOUDS AND ANY CONVECTIVE PRECIP GRADUALLY OFF TO THE SOUTHWEST EARLY MONDAY MORNING. THIS WILL DROP TEMPS DOWN A CATEGORY TOWARD CLIMO ON MONDAY AS THE HIGH BUILDS IN FROM THE NORTH IN THE AFTERNOON. && .SHORT TERM /MONDAY NIGHT THROUGH WEDNESDAY/... AS OF 215 PM EDT SUNDAY...AS DEEP LAYER HIGH PRESSURE DRIFTS SOUTH ACROSS THE MID-ATLANTIC AND INTO THE SOUTHEAST DURING MID0-WEEK... DRIER AIR WILL FILTER INTO THE CWFA...BRINGING AN END TO THE CHANCES FOR DIURNAL CONVECTION FOR AT LEAST A COUPLE OF DAYS. WITH THE DRIER AIR IN PLACE...LOW TEMPS WILL AVERAGE A CATEGORY OR TWO BELOW NORMAL THROUGH THE PERIOD. HOWEVER...DAYTIME HIGHS SHOULD BE AROUND NORMAL...MAYBE EVEN A FEW DEGREES ABOVE CLIMO ON WEDNESDAY...AS HEIGHTS RISE UNDERNEATH THE BUILDING RIDGE. && .LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/... AS OF 230 PM SUNDAY...ANOTHER DRY AND PLEASANT DAY ON HAND THU WITH MID/ATLANTIC HIGH RETREATING NORTH A BIT BUT STILL DOMINATING THE CAROLINA REGION. CROSS SECTIONS SHOW A DEEP SUBSIDENCE DRY LAYER OVERHEAD AND WILL EXPECT SOME MIXING TO KEEP RH LEVELS FAIRLY LOW FOR THIS TIME OF YEAR. HIGHS SHOULD HAVE NO PROBLEM REACHING NORMAL LEVELS IN GOOD SUBSIDENCE...HOWEVER WILL EXPECT INCREASING CI THROUGH THE LATE AFTERNOON IN ADVANCE OF HANNA. THE 12Z GFS CONTINUES WELL NORTH AND FAST WITH THE HANNA TRACK THAN THE HPC OFFICIAL TRACK AND THE REGIONAL TROPICAL MODELS...SO WILL SIDE WITH THE SLOWER AND MORE SOUTHERN RUN OF THE 00Z ECMWF FOR LATTER EXTENDED PERIOD GUIDANCE. IN ESSENCE...THE GFS SOUNDINGS WERE CONSIDERED BUT ADJUSTED AHEAD IN TIME BY ABOUT 12 HOURS AND WEST ABOUT 100 MILES. THIS SCENARIO INCREASES CLOUD COVER SIGNIFICANTLY THROUGH 12Z FRI AND BRINGS PRECIP BANDS TO THE EASTERN ZONES AND UPSLOPE REGIONS BY 18Z FRI. SOUNDINGS INDICATE PW VALUES OVER 2 INCHES OVER KGSP...EVEN ON THE EASTERN MOST GFS. HEAVY RAIN IS CERTAINLY PROBABLE WITH THESE TROPICAL BANDS BUT THE SYSTEM AS WHOLE LOOKS TO MOVE OUT OF THE FA FAIRLY QUICKLY BY SAT AFTERNOON. STILL THE POTENTIAL FOR FLOODING WILL BE A REAL CONCERN. SOUNDINGS ALSO INDICATE A 12 HOUR WINDOW LATE FRI WITH A 50 KT H9 JET PASSING OVERHEAD...SO HIGH GUSTY WINDS SHOULD BE IN THE OFFING THROUGH FRI NIGHT. ITS TOO EARLY TO DEPICT THESE WINDS IN THE GRID GRAPHICS...HOWEVER THE AFM AND PFM PRODUCTS WILL ADVERTISE GUST POTENTIALS. BOTH THE ECMWF AND THE GFS PULL THE REMNANTS OF HANNA NORTH WITH BROAD OHIO VALLEY TROF AND BOTH BUILD IN STRONG BERMUDA HIGH PRESSURE IN BY SAT EVENING. THE 40 POPS WERE CONTINUED FOR SAT...BUT SAT NIGHT THROUGH THE REMAINDER OF THE EXT PERIOD WILL SEE ONLY ISOL CHANCES WITH SOUTHWESTERLY MOIST FLOW RETURNING THROUGH SUN. WITH ALL THE CLOUD COVER ANTICIPATED...MAX TEMPS SHOULD BE ABOUT 5 DEGREES BELOW NORMAL FRI THROUGH SUN. MINS ARE EXPECTED A DEGREE OR TWO ABOVE NORMAL. && .AVIATION /19Z SUNDAY THROUGH FRIDAY/... A PERSISTENT FORECAST FOR THE NEXT 24 HOURS. SITES WILL BE IN AND OUT OF A LOW END VFR CEILING FOR THE AFTERNOON WITH CLOUD BASES IN THE 4K TO 5K FOOT RANGE. ISOLATED TO SCATTERED SHOWERS AND A FEW THUNDERSTORMS WILL POP UP...BUT THIS WILL NOT BE INDICATED IN THE TAFS AT THIS TIME. UNLIKE LAST NIGHT...THOUGH...DEVELOPING EASTERLY FLOW IN THE FACE OF A BACK DOOR COLD FRONT DROPPING DOWN FROM THE MID ATLANTIC COAST WILL KEEP A LOW LEVEL CLOUD CEILING ACROSS THE REGION AND PROBABLY PREVENT FOG FROM DEVELOPING TO THE POINT WHERE IT WOULD REDUCE VISIBILITY MUCH LOWER THAN 5 OR 6 MILES. AT THIS POINT...TERMINALS WILL BE KEPT VFR WITH THE EXCEPTION OF KAVL. EXPECT AT LEAST ISOLATED SHOWERS THROUGH MONDAY MORNING AS THE FRONT PUSHES THROUGH...BUT NOT ENOUGH TO MENTION IN THE TAFS. DRIER AIR WILL FILTER IN FROM THE NE ON MONDAY MORNING WHICH SHOULD SCATTER OUT THE LOW CLOUDS BY AFTERNOON. OUTLOOK...VFR CONDITIONS WITH DRYING UNDER BUILDING HIGH PRESSURE IS EXPECTED THROUGH THE WEEK. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SYNOPSIS...SBK NEAR TERM...PM SHORT TERM...JDL LONG TERM...SBK AVIATION...PM
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 456 AM EDT SUN AUG 31 2008 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-010900- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER- IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA- ROWAN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA- HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC- CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE- MCDOWELL MOUNTAINS-EASTERN MCDOWELL-RUTHERFORD MOUNTAINS- GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS- PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE- GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK- ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD- 456 AM EDT SUN AUG 31 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. SCATTERED TO ISOLATED THUNDERSTORMS ARE FORECAST TO DEVELOP ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA THIS AFTERNOON AND EARLY THIS EVENING. A FEW OF THESE STORMS MAY PRODUCE STRONG TO DAMAGING WIND GUSTS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The Columbia radar (KCAE), 80 km away, was scanning. The volume nearest the first event began at 21:51 UTC.
1 thunderstorm wind. Local standard time, as filed.
A tree was blown down on highway 97 near Chester, and another along Mountain Lakes Rd.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2008Every state in 2008This day in weather historyWarnings in South Carolina, August 2008
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: 132448.