Georgia, 2015

Damaging Winds in Georgia, June 24, 2015

June 24, 2015 · NWS GSP · 5 events in 4 counties and zones

Numerous thunderstorms developed during early-to-mid afternoon across the northeast Georgia mountains and foothills, then moved slowly south, impacting the Piedmont by late afternoon. Several of the storms produced brief severe weather in the form of damaging winds.

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
$10,000
Crop damage
None recorded
Events
5

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.

Numerous thunderstorms developed during early-to-mid afternoon across the northeast Georgia mountains and foothills, then moved slowly south, impacting the Piedmont by late afternoon. Several of the storms produced brief severe weather in the form of damaging winds.

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 Jun 24, 1:52 PM EST, 3 minutes earlier.

Area forecast discussion, Jun 24, 1:52 PM EST, 3 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
252 PM EDT WED JUN 24 2015

.SYNOPSIS...
STRONG MID LEVEL HIGH PRESSURE WILL PERSIST ACROSS THE REGION
THROUGH THE REMAINDER OF THE WORK WEEK...MAINTAINING WELL ABOVE
NORMAL TEMPERATURES. A BROAD UPPER LEVEL TROF WILL MOVE OVER THE
REGION OVER THE WEEKEND RETURNING TEMPERATURES TO SEASONAL LEVELS BY
SUNDAY AND INCREASING CHANCES FOR WIDESPREAD SHOWERS AND
THUNDERSTORMS. A COOLER AND DRIER PATTERN WILL TAKE SHAPE AFTER A
FRONT PASSES EARLY IN THE WEEK BEFORE ANOTHER FRONTAL BOUNDARY
APPROACHES THE AREA LATER NEXT WEEK.

&&

.NEAR TERM /THROUGH THURSDAY/...
AS OF 230 PM...CUMULUS CLOUDS HAVE CAPPED THE TEMP RUN UP SOMEWHAT
THIS AFTERNOON PARTICULARLY IN THE GREENVILLE-SPARTANBURG AREA.
THEREFORE...DIALED BACK THE MAX TEMPS BY A 2-3 DEGREES THOSE AREAS.
THE RISE AT CLT HAS SLOWED AS WELL SO THEY SHOULD COME UP SHY OF
100. CONVECTION FIRING OVER FAR WESTERN NC AND NE GA AS EXPECTED.
LATEST HRRR USES THE SFC TROUGH LAYING ACROSS UPSTATE SC INTO
WESTERN NC TO DEVELOP SCT THUNDERSTORMS BY LATE AFTERNOON. WITH
CAPES BETWEEN 2000-3000J AND DCAPES >1000J A FEW WET DAMAGING
MICROBURSTS ARE LIKELY. THE CONVECTION SHOULD ASH OUT DURING THE
EVENING WITH THE LOSS OF HEATING.

FOR THE OVERNIGHT...IT WILL BE A MUGGY NIGHT WITH CLEAR TO PARTLY
CLOUDY CONDITIONS. MIN TEMPS WILL BE WELL ABOVE CLIMO WITH LOW TO
MID 70S OUTSIDE THE MOUNTAINS AND LOW TO MID 60S MOUNTAINS.

THURSDAY WILL BE ANOTHER HOT DAY AS THE UPPER HIGH TO THE WEST
BEGINS TO SLIP EASTWARD BUT WEAKEN SOMEWHAT. ALSO SUBTLE CHANGES
OCCUR AT THE SURFACE AS THE WEAK BOUNDARY ACROSS THE AREA IS
FORECAST TO MOVE NORTHEAST AS A LOW MOVES THROUGH THE OHIO VALLEY.
HENCE...THE AMOUNT OF FORCING FOR THUNDERSTORMS WILL BE SOMEWHAT
LESS WITH SOME DEGREE OF SYNOPTIC SUBSIDENCE. HOWEVER...FORECAST
SOUNDINGS SHOW CIN ERODING IN THE AFTERNOON TO WHERE WE EXPECT A
FEW UPDRAFTS TO BREAK THE CAP. HENCE...WILL CARRY ISOLATED TO
SCATTERED POPS OVER THE MOUNTAINS AND THE SOUTHERN PIEDMONT. THE
OTHER CONCERN WILL CONTINUE TO BE THE HEAT. HAVE GONE ON THE HIGH
END OF THE GUIDANCE ENVELOPE FOR MAX TEMPS ON FRIDAY WHICH IS WHAT
THE THICKNESS WOULD SUPPORT. DEWPOINTS WILL TRY TO MIX OUT SOME
DURING THE AFTERNOON...BUT PROBABLY NOT ENOUGH TO PRECLUDE AN HOUR
OR TWO OF APPARENT TEMPS REACHING 105 ACROSS PARTS OF THE UPSTATE.
IF CURRENT NUMBERS HOLD...MAY HAVE TO CONSIDER A HEAT ADVISORY FOR
PARTS OF NE GA...UPSTATE SC AND PERHAPS THE CLT AREA.

&&

.SHORT TERM /THURSDAY NIGHT THROUGH SATURDAY/...
AS OF 145 PM WEDNESDAY...THE BIG STORY OF THE SHORT TERM PERIOD WILL
BE THE SIGNIFICANT PATTERN CHANGE THAT IS ANTICIPATED...AS A
SIGNIFICANT SHORT WAVE DIVES OUT OF THE NORTHERN CONUS...AND CARVES
OUT A LONG WAVE TROUGH ACROSS THE EASTERN CONUS BY THE START OF THE
WEEKEND. SURFACE LOW PRESSURE TRACKING ALONG THE ASSOCIATED FRONTAL
ZONE...FROM THE TENN TO THE OHIO VALLEY IS EXPECTED TO ACTIVATE A
PSEUDO-WARM FRONT/E-W ORIENTED CONVERGENCE ZONE ACROSS THE REGION ON
FRIDAY...AND THIS COULD ACT AS AN ADDITIONAL FOCUS FOR CONVECTIVE
INITIATION ACROSS OUR AREA FRI AFTERNOON. HOWEVER...THERE ARE QUITE
A FEW MIXED SIGNALS IN THE GUIDANCE REGARDING HOW WIDESPREAD ANY
CONVECTION WILL BE DURING THE AFTERNOON. THE HIGHEST POPS (LIKELY)
WILL BE FOCUSED ACROSS THE NORTHERN ZONES...WHERE A MODEL CONSENSUS
SUGGESTS THE CONVERGENCE ZONE WILL RESIDE DURING PEAK HEATING...AND
ACROSS THE HIGH TERRAIN...WHERE THE COMBINATION OF TERRAIN EFFECTS
AND INCREASED CONVERGENCE SHOULD RESULT IN HIGHER THAN NORMAL
COVERAGE. DESPITE IMPROVING MID/UPPER FLOW RESPONDING TO HEIGHT
FALLS...SHEAR MAGNITUDE WILL REMAIN QUITE WEAK OWING TO
UNIDIRECTIONAL PROFILES. NEVERTHELESS...A FEW SEVERE STORMS WILL BE
POSSIBLE.

WITH HEIGHTS CONTINUING TO FALL AND AN APPROACHING FRONTAL ZONE...
GOOD CHANCES FOR CONVECTION ARE EXPECTED TO CONTINUE WELL INTO FRI
NIGHT...AND LIKELY POPS WILL ACTUALLY BE CARRIED THROUGH THE
OVERNIGHT HOURS...DUE TO THE POTENTIAL FOR PRE-FRONTAL CONVECTION
MOVING INTO THE FORECAST AREA...BUT ALSO DUE TO DEVELOPMENT OF AN
ANOMALOUSLY STRONG W/SW LOW LEVEL FLOW...WHICH COULD ALLOW FOR SOME
TERRAIN-INDUCED CONVECTION.

SATURDAY WILL FEATURE AMPLE GOOD SOURCES OF LIFT...WITH LOW LEVEL
CONVERGENCE ALONG THE FRONT...AND AN UPPER PATTERN SUPPORTIVE OF
UVV. HOWEVER...SATURDAY WILL BE THE MOST STABLE DAY OF THE WEEK AS
WELL...OWING TO THE LIKELIHOOD OF ABUNDANT MORNING CLOUD COVER AND
DEEP MOIST ADIABATIC LAPSE RATES. ON THE OTHER HAND...SHEAR WILL BE
RATHER IMPRESSIVE FOR LATE JUNE...ABOUT 30 KTS THROUGH A DEEP LAYER.
SOME UPSCALE ORGANIZATION COULD THEREFORE OCCUR IF POCKETS OF MORE
ROBUST INSTABILITY CAN BE REALIZED. LIKELY POPS WILL BE CARRIED
ACROSS THE MAJORITY OF THE AREA SAT AFTERNOON.

&&

.LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/...
AS OF 3 AM WEDNESDAY...SIGNIFICANT PATTERN CHANGE WILL SETTLE OVER
THE REGION THIS WEEKEND AND SHOULD REMAIN THROUGH THE EXTENDED
PERIOD. MODELS INDICATE THAT THE AXIS OF A L/W TROUGH WILL SWEEP
ACROSS THE REGION THIS WEEKEND...WITH A SECONDARY WAVE EXPECTED TO
CROSS THE APPALACHIANS ON TUESDAY. AT THE SFC...THE CENTER OF A
DEEPENING LOW WILL MOVE FROM THE OHIO RIVER VALLEY ON SATURDAY TO
SOUTHERN NY BY SUNDAY EVENING. A COLD FRONT SHOULD PUSH ACROSS THE
REGION LATE SATURDAY AFTERNOON AND EVENING. THE ENVIRONMENT AHEAD OF
THE FRONT WILL FEATURE WIDESPREAD INSTABILITY AND WEAK
SHEAR...POSSIBLY SUPPORTING A BAND OF TSRA SAT AFTERNOON. I WILL
FORECAST CATE COVERAGE NEAR THE TN LINE...WITH GENERALLY LIKELY POPS
ACROSS THE REST OF THE CWA. DRIER AIR WILL BUILD ACROSS THE REGION
ON SUNDAY...RESULTING IN FALLING POP VALUES. I WILL FORECAST
PRIMARILY DIURNAL POPS ACROSS THE REGION MON AND TUES. TEMPERATURES
THROUGH THE EXTENDED ARE FORECAST TO RANGE FROM BELOW NORMAL THIS
WEEKEND TO NEAR NORMAL BY TUESDAY.

&&

.AVIATION /19Z WEDNESDAY THROUGH MONDAY/...
AT KCLT...A WEAK FRONTAL TROUGH IN THE VICINTY OF THE AIRFIELD WILL
SERVE TO TRIGGER SCT TSRA AS AIRMASS IS QUITE UNSTABLE THIS
AFTERNOON. HENCE...WILL CARRY A TEMPO TSRA FROM 21-23Z THIS
AFTERNOON. OTHERWISE...VFR CUMULUS WILL DISSIPATE AFTER SUNSET.

ELSEWHERE...AIRMASS IS QUITE UNSTABLE OUTSIDE THE MOUNTAINS THIS
AFTERNOON ALONG WITH A WEAK FRONTAL TROUGH EXTENDING FROM WESTERN
NC...THROUGH UPSTATE SC INTO NE GA. SCATTERED THUNDERSTORMS ARE
EXPECTED TO DEVELOP BY MID AFTERNOON. CAMS FAVOR WESTERN AREAS WITH
THE BEST COVERAGE...SO WILL CARRY A TEMPO TSRA AT KAND. WILL MENTION
VCTS AT GSP AND GMU. THE CHANCE OF TSRA TOO LOW TO MENTION AT AVL
AND HKY. EXPECT SOME FOG FORMATION EARLY THURSDAY MORNING WITH
GUIDNACE SUGGESTING MVFR RESTRICTIONS AT AVL AND HKY.

OUTLOOK...TSTM CHANCES WILL INCREASE LATE IN THE WEEK INTO THE
WEEKEND AS A COLD FRONT EVENTUALLY APPROACHES FROM THE NW. MORNING
RESTRICTIONS DUE TO FOG AND/OR STRATUS ARE POSSIBLE...PARTICULARLY
WHERE HEAVY RAIN FELL THE PREVIOUS DAY...AND IN THE MOUNTAIN RIVER
VALLEYS. BEHIND THE COLD FRONT...A MUCH DRYER AND COOLER AIRMASS
WILL OVERSPREAD THE REGION ON SUNDAY.

CONFIDENCE TABLE...

            19-01Z        01-07Z        07-13Z        13-18Z
KCLT       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KGSP       HIGH  86%     HIGH 100%     HIGH 100%     HIGH 100%
KAVL       HIGH 100%     HIGH 100%     HIGH  96%     HIGH 100%
KHKY       HIGH 100%     HIGH 100%     HIGH  93%     HIGH 100%
KGMU       HIGH  86%     HIGH 100%     HIGH 100%     HIGH 100%
KAND       HIGH 100%     HIGH 100%     HIGH  93%     HIGH 100%

THE PERCENTAGE REFLECTS THE NUMBER OF GUIDANCE MEMBERS AGREEING
WITH THE SCHEDULED TAF ISSUANCE FLIGHT RULE CATEGORY. COMPLETE HOURLY
EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLES AND ENSEMBLE FORECASTS
ARE AVAILABLE AT THE FOLLOWING LINK: (MUST BE LOWER CASE)

WWW.WEATHER.GOV/GSP/AVIATION_TABLES

&&

.CLIMATE...
RECORD MAXIMUM TEMPERATURES FOR THIS WEEK...WITH YEARS IN WHICH THE
VALUES WERE LAST REACHED.

WEDNESDAY JUNE 24...

 AVL   94 1952
 CLT  102 1930
 GSP  100 1952

THURSDAY JUNE 25...

 AVL   96 1952
 CLT  102 1914
 GSP  101 1952

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...NONE.
SC...NONE.

&&

SYNOPSIS...LEV
NEAR TERM...LG
SHORT TERM...JDL
LONG TERM...JP/LEV
AVIATION...LG
CLIMATE...
Hazardous weather outlook, Jun 24, 3:56 AM EST, 9 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
456 AM EDT WED JUN 24 2015

GAZ010-017-018-026-028-NCZ033-035>037-048>053-056>059-062>065-
068>070-501>510-SCZ001>008-010-250900-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-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-
456 AM EDT WED JUN 24 2015

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

.DAY ONE...TODAY AND TONIGHT.

ISOLATED TO SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS THE
WESTERN CAROLINAS AND NORTHEAST GEORGIA THIS AFTERNOON. THE
GREATEST COVERAGE IS FORECAST TO OCCUR WEST OF INTERSTATE 26 LATE
THIS AFTERNOON INTO EARLY THIS EVENING. THE MAIN THREAT WILL BE
CLOUD TO GROUND LIGHTNING AND HEAVY RAINFALL. A FEW OF THESE
STORMS COULD BECOME SEVERE AND PRODUCE DAMAGING WIND GUSTS AND
LARGE HAIL.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

..THURSDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ029-NCZ071-072-082-SCZ009-011>014-019-250900-
ELBERT-MECKLENBURG-CABARRUS-UNION-YORK-ABBEVILLE-LAURENS-CHESTER-
GREENWOOD-
456 AM EDT WED JUN 24 2015

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

.DAY ONE...TODAY AND TONIGHT.

ISOLATED TO SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS THE
PIEDMONT OF THE CAROLINAS AND NORTHEAST GEORGIA THIS AFTERNOON.
THE GREATEST THUNDERSTORM COVERAGE IS EXPECTED TO OCCUR WEST OF
INTERSTATE 26 LATE THIS AFTERNOON INTO EARLY THIS EVENING. THE
MAIN THREAT WILL BE CLOUD TO GROUND LIGHTNING AND HEAVY RAINFALL.
A FEW OF THESE STORMS COULD BECOME SEVERE AND PRODUCE DAMAGING
WIND GUSTS AND LARGE HAIL. IN ADDITION...HEAT INDEX VALUES MAY
PEAK BETWEEN 100 TO 104 DEGREES THIS AFTERNOON. IF
POSSIBLE...DRINK PLENTY OF WATER AND SPEND TIME IN A WELL
VENTILATED OR AIR CONDITIONED AREA THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

..THURSDAY...EXCESSIVE HEAT POSSIBLE. HIGH PRESSURE WILL PERSIST
ACROSS THE REGION ON THURSDAY. TEMPERATURES WILL REACH WELL ABOVE
NORMAL LEVELS UNDER THIS HIGH AND COMBINE WITH HIGH
HUMIDITY...PRODUCING DANGEROUS HEAT INDEX VALUES ACROSS THE AREA.
..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Special weather statement, Jun 24, 10:35 AM EST, 3 hours 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1135 AM EDT WED JUN 24 2015

GAZ028-029-NCZ070>072-082-SCZ006>014-019-242145-
HART-ELBERT-GASTON-MECKLENBURG-CABARRUS-UNION-GREATER GREENVILLE-
SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-CHESTER-
GREENWOOD-
INCLUDING THE CITIES OF...HARTWELL...REED CREEK...ELBERTON...
GASTONIA...CHARLOTTE...CONCORD...KANNAPOLIS...MONROE...
INDIAN TRAIL...WEDDINGTON...TRINITY...GREENVILLE...TAYLORS...
GREER...MAULDIN...SIMPSONVILLE...BEREA...SPARTANBURG...GAFFNEY...
ROCK HILL...ANDERSON...ABBEVILLE...CALHOUN FALLS...LAURENS...
CLINTON...UNION...CHESTER...GREAT FALLS...GREENWOOD
1135 AM EDT WED JUN 24 2015

      ...ANOTHER DAY OF VERY HOT TEMPERATURES...

TEMPERATURES ARE FORECAST TO PEAK AGAIN THIS AFTERNOON BETWEEN 95
AND 100 DEGREES. FACTORING IN THE HUMIDITY...HEAT INDICES OR THE
WAY IT FEELS WILL BE IN THE 100-105 DEGREE RANGE DURING THE MID
AFTERNOON HOURS. IF YOU WORK OUTDOORS...TAKE PLENTY OF BREAKS OUT
OF THE SUN AND DRINK LOTS OF WATER. DUE TO THE PROLONGED NATURE OF
THE HEAT...THOSE WITHOUT AIR CONDITIONING ARE VULNERABLE TO HEAT
STROKE. THIS IS ESPECIALLY SO FOR THE ELDERLY AND THOSE IN POOR
HEALTH. THOSE VULNERABLE TO THE HEAT SHOULD BE CHECKED ON AND
MOVED TO A COOLER LOCATION IF POSSIBLE.

LG
Special weather statement, Jun 24, 12:31 PM EST, 1 hour 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
131 PM EDT WED JUN 24 2015

GAZ010-241800-
RABUN GA-
131 PM EDT WED JUN 24 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHEASTERN RABUN
COUNTY UNTIL 200 PM EDT...

AT 131 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 4
MILES NORTHEAST OF CLAYTON...OR NEAR MOUNTAIN CITY...MOVING SOUTHEAST
AT 10 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
CLAYTON...MOUNTAIN CITY...BLACK ROCK MOUNTAIN STATE PARK AND PINE
MOUNTAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.

&&

LAT...LON 3497 8336 3494 8317 3488 8323 3488 8324
      3487 8324 3485 8326 3485 8327 3484 8327
      3482 8331 3490 8341
TIME...MOT...LOC 1731Z 296DEG 9KT 3493 8337

LANE
Special weather statement, Jun 24, 12:44 PM EST, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
144 PM EDT WED JUN 24 2015

GAZ010-241800-
RABUN GA-
144 PM EDT WED JUN 24 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTH CENTRAL RABUN
COUNTY UNTIL 200 PM EDT...

AT 143 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
CLAYTON...OR OVER BLACK ROCK MOUNTAIN STATE PARK...MOVING SOUTHEAST
AT 10 MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
CLAYTON...MOUNTAIN CITY AND BLACK ROCK MOUNTAIN STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.

&&

LAT...LON 3491 8348 3496 8343 3491 8329 3483 8338
TIME...MOT...LOC 1743Z 293DEG 11KT 3490 8340

LANE
Special weather statement, Jun 24, 1:12 PM EST, 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
212 PM EDT WED JUN 24 2015

GAZ010-241845-
RABUN GA-
212 PM EDT WED JUN 24 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF CENTRAL RABUN COUNTY
UNTIL 245 PM EDT...

AT 212 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
CLAYTON...OR NEAR TIGER. THIS STORM WAS NEARLY STATIONARY.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
CLAYTON...TIGER...BLACK ROCK MOUNTAIN STATE PARK AND SEED LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.

&&

LAT...LON 3489 8347 3490 8339 3482 8332 3478 8352
TIME...MOT...LOC 1812Z 354DEG 2KT 3485 8342

LANE
Special weather statement, Jun 24, 1:55 PM EST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
255 PM EDT WED JUN 24 2015

GAZ010-241945-
RABUN GA-
255 PM EDT WED JUN 24 2015

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHWESTERN RABUN
COUNTY UNTIL 345 PM EDT...

AT 255 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 9
MILES WEST OF CLAYTON...OR 5 MILES NORTH OF MOCCASIN CREEK STATE
PARK. THIS STORM WAS NEARLY STATIONARY.

PEA SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
CLAYTON...MOCCASIN CREEK STATE PARK...LAKE BURTON...MOCCASIN CREEK
STATE PARK AND TIGER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...TRY TO
GET INDOORS OR INTO A HARD TOPPED VEHICLE. OTHERWISE...STAY AWAY FROM
OPEN AREAS AND ISOLATED HIGH OBJECTS SUCH AS TREES. WHEN INDOORS...
STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING WIRED ELECTRONIC
DEVICES. TRY TO UNPLUG UNNECESSARY APPLIANCES BEFORE THE STORM
APPROACHES.

&&

LAT...LON 3491 8360 3492 8359 3492 8360 3494 8360
      3494 8359 3495 8355 3499 8355 3499 8350
      3486 8339 3481 8358 3482 8359 3491 8361
TIME...MOT...LOC 1855Z 342DEG 3KT 3492 8355

CDG

The radar

The Greer radar (KGSP), 107 km away, was scanning. The volume nearest the first event began at 18:55 UTC.

Open the radar archive at this moment

Event by event

5 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Rabun

When
June 24, 1:55 PM EST
Where
Rabun County, 1.7 mi E of Lakemont
Measured
50 kt (58 mph) estimated gust
Reported by
911 Call Center
Coordinates
34.780, -83.390

County comms reported multiple trees and power lines blown down on Connector Rd.

Thunderstorm Wind, Rabun

When
June 24, 2:39 PM EST
Where
Rabun County, 6.63 mi SW of Persimmon
Measured
50 kt (58 mph) estimated gust
Reported by
Fire Department/Rescue
Coordinates
34.830, -83.580

FD reported multiple trees blown down on East Wildcat.

Thunderstorm Wind, Stephens

When
June 24, 2:55 PM EST to 3:00 PM EST
Where
Stephens County, Toccoa to 1.79 mi SE of Toccoa
Measured
50 kt (58 mph) estimated gust
Property damage
$10,000
Reported by
911 Call Center
Coordinates
34.580, -83.320

County comms, spotter, and HAM radio operator reported multiple trees and large limbs blown down throughout Toccoa, including on Big A Rd and Collins Rd. Two trees fell on homes and a restaurant received minor roof damage.

Thunderstorm Wind, Habersham

When
June 24, 3:18 PM EST
Where
Habersham County, 1.49 mi NNW of Cornelia to 0.69 mi N of Cornelia
Measured
50 kt (58 mph) estimated gust
Reported by
911 Call Center
Coordinates
34.540, -83.530

County comms reported trees blown down on Locke Rd and on Chase Rd on the north side of Cornelia.

Thunderstorm Wind, Franklin

When
June 24, 3:58 PM EST
Where
Franklin County, 2.38 mi ESE of Unity to 2.37 mi SSW of Ashland
Measured
50 kt (58 mph) estimated gust
Reported by
COOP Observer
Coordinates
34.360, -83.280

NWS co-op observer reported a tree blown down near the intersection of Highways 59 and 198. County comms reported a tree blown down on Bold Springs Rd.

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 Georgia in 2015Every state in 2015This day in weather historyWarnings in Georgia, June 2015

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: 590430, 590432, 590434, 590436, 590438.