South Carolina, 2012

Damaging Winds in South Carolina, July 8, 2012

July 8, 2012 · NWS GSP · 2 events in 2 counties and zones

A few thunderstorms developed over Upstate South Carolina during the afternoon hours. The pulse-type storms produced a few small areas of wind damage.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

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.

What happened

The episode as NWS GSP wrote it up.

A few thunderstorms developed over Upstate South Carolina during the afternoon hours. The pulse-type storms produced a few small areas of wind damage.

What forecasters said that day

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 Jul 8, 1:09 PM EST, 1 minute earlier.

Area forecast discussion, Jul 8, 1:09 PM EST, 1 minute before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
209 PM EDT SUN JUL 8 2012

.SYNOPSIS...
WEAK HIGH PRESSURE OVER THE AREA WILL SHIFT SOUTHEAST AS A COLD
FRONT DROPS DOWN FROM THE NORTHWEST OVERNIGHT. THIS FRONT IS
EXPECTED TO BECOME NEARLY STATIONARY ACROSS THE CAROLINAS LATE ON
MONDAY AND WILL REMAIN IN THE AREA THROUGH FRIDAY.

&&

.NEAR TERM /THROUGH MONDAY/...
AS OF 2 PM EDT...CONVECTION IS BEGINNING TO FIRE OFF PRETTY RAPIDLY
OVER MOST OF THE WESTERN NC MTS AND ALONG THE ESCARPMENT. COVERAGE
WILL LIKELY INCREASE AS THE AFTERNOON WEARS ON.

PREVIOUS DISCUSSION...
CURRENT VISIBLE SATELLITE IS SHOWING SOME LINGERING
AREAS OF MT VALLEY FOG OVER FAR WESTERN NC. OTHERWISE...MOST SITES
ARE CLEAR WITH A FEW MID CLOUDS STARTING TO MOVE INTO THE NC
PIEDMONT FROM THE EAST. I EXPECT TO SEE THE DEVELOPMENT OF CUMULUS
EARLIER TODAY COMPARED TO THE PAST COUPLE OF DAYS AS CURRENT
SOUNDINGS HAVE LESS OF A MID LVL CAP IN PLACE AND DEWPTS ARE HIGHER
OVERALL. FZ LVLS HAVE ALSO COME DOWN BY ROUGHLY A 1000FT OR SO
COMPARED TO YESTERDAY...SO THE HAIL POTENTIAL IS BETTER AS WELL.

&&

.SHORT TERM /MONDAY NIGHT THROUGH WEDNESDAY/...
AS OF 200 PM SUNDAY...BROAD UPPER TROF WILL CONTINUE TO SLOWLY SINK
S TUE-WED AS A SHORTWAVE DROPS INTO IT AND HEIGHTS FALL ACROSS THE
REGION WITH WEAK IMPULSES MOVG THRU THE UPPER FLOW. THE ASSOC SFC
COLD FRONT IS STILL EXPECTED TO STALL ACROSS THE AREA WITH LIKELY
POPS CWA-WIDE. CONVECTION SHOULD TAPER OFF SOME WITH COOLING BUT
SOLID CHC POPS WILL BE CARRIED OVERNIGHT. WITH THE CLOUD COVER...
SHWRS IN THE AREA AND LOWER THICKNESS...AFTN HIGHS ARE EXPECTED TO
BE NEAR OR EVEN A DEG OR TWO BELOW AVG.

&&

.LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/...
AS OF 200 PM SUNDAY...MODELS CONTINUE TO SHOW MOST OF THE MEDIUM
RANGE DOMINATED BY A WEAK UPPER TROF AXIS TO THE W WITH A STALLED
FRONTAL BOUNDARY AND DEEP MOISTURE SETTLED OVER THE AREA. LOWER
THICKNESS VALUES...INCREASED CLOUD COVER AND AT LEAST SCT SHWRS ARE
EXPECTED TO KEEP TEMPS BELOW AVG. LATEST GUIDANCE SHOWS A
SUBTROPICAL RIDGE BUILDING W INTO THE REGION ON SUN WHICH WOULD PUT
THE AREA BACK IN THE USUAL DIURNALLY ENHANCED CONVECTIVE PATTERN FOR
THIS TIME OF YEAR...BUT WITH TEMPS A CATEGORY OR SO BELOW AVG NEXT
SUN AFTN.

&&

.AVIATION /18Z SUNDAY THROUGH FRIDAY/...
AT KCLT...EXPECT VFR CONDITIONS THRU MOST OF THE TAF PERIOD WITH
SOME BRIEF MVFR VISBY THIS EVENING AND TOMORROW AT THE END OF THE
PERIOD FOR TSRA WITH BKN CB. EXACT TIMING/ONSET OF TSRA IS TOUGH TO
CALL...BUT IF ANY CONVECTION DOES GET GOING...IT SHOULD PRODUCE
HEAVY RAIN AND LIGHTING. OTHERWISE...WINDS WILL BE LIGHT AND FROM
THE SW BECOMING MORE NWLY TOMORROW MORNING.

ELSEWHERE...EXPECT VFR CONDITIONS THRU PERIOD WITH VCTS FOR THE
FIRST 9 HRS OF THE PERIOD AND PROB30 FOR TSRA WITH CB LATER
TOMORROW. FOG POTENTIAL WILL BE HIGHEST OVER KAVL IF THEY GET MUCH
PRECIP.

OUTLOOK...SHRA/TSRA AREA EXPECTED TO BECOME MORE NUMEROUS TOWARD MID
WEEK AS THE UPPER RIDGE BREAKS DOWN AND IS REPLACED WITH A TROUGH.
AREAS OF MORNING FOG/STRATUS ARE POSSIBLE...ESP IN THE MTN VALLEYS
AND WHERE RAIN FALLS.

AN EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLE SHOWING THE
PERCENTAGE OF GUIDANCE MEMBERS AGREEING WITH THE SCHEDULED ISSUANCE
CATEGORY IS AVAILABLE AT FOLLOWING LINK (USE LOWER CASE)...

WWW.WEATHER.GOV/GSP/AVIATION/TABLES.HTM

&&

.CLIMATE...
RECORD HIGH TEMPERATURES...

AVL
JULY 8TH  96 IN 1988
JULY 9TH  93 IN 1986

GSP
JULY 8TH  101 IN 1986
JULY 9TH  100 IN 1993

CLT
JULY 8TH  101 IN 2010
JULY 9TH  101 IN 1986

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...HEAT ADVISORY UNTIL 6 PM EDT THIS EVENING FOR NCZ071-072-082.
SC...HEAT ADVISORY UNTIL 6 PM EDT THIS EVENING FOR SCZ009-013-014.

&&

SYNOPSIS...PAT
NEAR TERM...JPT
SHORT TERM...RB
LONG TERM...RB
AVIATION...JPT
CLIMATE...
Hazardous weather outlook, Jul 8, 4:46 AM EST, 8 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
546 AM EDT SUN JUL 8 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>070-501>510-SCZ001>008-010>012-019-091000-
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-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-ANDERSON-ABBEVILLE-LAURENS-
GREENWOOD-
546 AM EDT SUN JUL 8 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING.
CLOUD-TO-GROUND LIGHTNING WILL BE THE MAIN THREAT FROM THE
STORMS...BUT A FEW OF THEM COULD BECOME SEVERE WITH DAMAGING WIND
GUSTS AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THUNDERSTORMS WILL BE MORE NUMEROUS ON MONDAY...WITH THE CHANCE
THAT SOME OF THEM WILL BE SEVERE IN THE AFTERNOON AND EVENING WITH
DAMAGING WIND GUSTS AND LARGE HAIL.

.SPOTTER INFORMATION STATEMENT...

NONE.

NCZ071-072-082-SCZ009-013-014-091000-
MECKLENBURG-CABARRUS-UNION NC-YORK-UNION SC-CHESTER-
546 AM EDT SUN JUL 8 2012

...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA AND
UPSTATE SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   HEAT ADVISORY.

ISOLATED THUNDERSTORMS WILL DEVELOP LATE THIS AFTERNOON AND THIS
EVENING. CLOUD-TO-GROUND LIGHTNING WILL BE THE MAIN THREAT FROM
THE STORMS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THUNDERSTORMS WILL BE MORE NUMEROUS ON MONDAY...WITH THE CHANCE
THAT SOME OF THEM WILL BE SEVERE IN THE AFTERNOON AND EVENING WITH
DAMAGING WIND GUSTS AND LARGE HAIL.

.SPOTTER INFORMATION STATEMENT...

NONE.

MOORE

In the hours before

Special weather statement, Jul 8, 12:48 PM EST, 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
148 PM EDT SUN JUL 8 2012

NCZ064-SCZ002-003-081830-
GREENVILLE MOUNTAINS-PICKENS MOUNTAINS-TRANSYLVANIA-
148 PM EDT SUN JUL 8 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN PICKENS...NORTHWESTERN
GREENVILLE AND SOUTHEASTERN TRANSYLVANIA COUNTIES THROUGH 230 PM
EDT...

AT 146 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES WEST OF CEDAR MOUNTAIN...OR 6 MILES SOUTH
OF BREVARD. THIS STORM WAS NEARLY STATIONARY.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  CAESARS HEAD...
  TABLE ROCK RESERVOIR...

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3527 8273 3521 8260 3516 8259 3515 8258
      3516 8256 3516 8255 3497 8264 3509 8290

RB

The radar

The Greer radar (KGSP), 44 km away, was scanning. The volume nearest the first event began at 18:11 UTC.

Open the radar archive at this moment

Event by event

2 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Greenville

When
July 8, 1:10 PM EST
Where
Greenville County, 0.69 mi N of Caesars Head
Measured
50 kt (58 mph) estimated gust
Reported by
Park/Forest Service
Coordinates
35.110, -82.620

Multiple trees were blown down around Caesar's Head State Park.

Thunderstorm Wind, Oconee

When
July 8, 2:40 PM EST
Where
Oconee County, 2.68 mi NW of Mountain Rest
Measured
50 kt (58 mph) estimated gust
Reported by
Law Enforcement
Coordinates
34.900, -83.180

Trees were blown down along highway 28 near the state line.

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in South Carolina in 2012Every state in 2012This day in weather historyWarnings in South Carolina, July 2012

Sources

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: 402691, 402692.