Georgia, 2015

Hail and Damaging Winds in Georgia, June 30, 2015

June 30, 2015 · NWS GSP · 5 events in 4 counties and zones

Several clusters of thunderstorms moved across northeast Georgia during the afternoon. Some of these produced brief severe weather in the form of damaging winds and large hail.

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
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.

Several clusters of thunderstorms moved across northeast Georgia during the afternoon. Some of these produced brief severe weather in the form of damaging winds and large hail.

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 30, 11:23 AM EST, 2 minutes earlier.

Area forecast discussion, Jun 30, 11:23 AM EST, 2 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1223 PM EDT TUE JUN 30 2015

.SYNOPSIS...
MER TEMPERATURES ARE EXPECTED FOR THE NEXT COUPLE OF DAYS BEFORE
A FRONTAL BOUNDARY APPROACHES BY MID WEEK...INCREASING CHANCES FOR
SHOWERS AND THUNDERSTORMS. THIS UNSETTLED PATTERN IS EXPECTED TO
PERSIST THROUGH THE WEEKEND...WITH TYPICAL SUMMERTIME AFTERNOON
SHOWERS AND THUNDERSTORMS DEVELOPING EACH DAY AND HIGH TEMPERATURES
WARMING TO ABOVE NORMAL BY EARLY NEXT WEEK.

&&

.NEAR TERM /THROUGH TONIGHT/...
AS OF 1215 PM...KGSP RADAR INDICATED THAT A CLUSTER OF THUNDERSTORMS
WAS PUSHING EAST ACROSS EXTREME NE GA...MOVING AT 25 MPH. STRONG
MORNING INSOLATION HAS RESULTED IN TEMPS TO REACH WELL INTO THE U80S
EAST OF THE MTNS. CAPES ACROSS THE REGION HAVE RISEN TO 2000 J/KG
ACROSS THE LAKELANDS...WITH DCAPE ABOVE 1000 J/KG. THE STORMS
EXITING NRN GA SHOULD CONTINUE TO STRENGTHEN AS THEY MOVE
EAST...POSSIBLY YIELDING SVR WIND GUSTS. I WILL UPDATE THE FORECAST
TO THE LATEST TRENDS.

AS OF 1010 AM...LATEST SATELLITE AND RADAR IMAGES INDICATED A WEAKEN
TREND IN THE BAND OF SHOWERS AND THUNDERSTORMS ACROSS THE NC MTNS.
RECENT SPC ANALYSIS INDICATED CIN VALUES REMAIN AROUND 100 J/KG WITH
CAPES ABOVE 500 J/KG ACROSS THE SC UPSTATE AND NE GA. MORNING
CONVECTION SHOULD CONTINUE TO WEAKEN THROUGH THE REMAINDER OF THE AM.

CONDITIONS WILL BECOME MARGINALLY TO MODERATELY UNSTABLE THIS
AFTERNOON...AS DEWPOINTS RANGE IN THE MID 60S WITH TEMPS IN THE U80S
TO L90S. IN ADDITION...FORECAST SOUNDINGS INDICATE THAT 0-6 KM BULK
SHEAR MAY PEAK AROUND 30 KTS...WITH EHI VALUES AROUND .5. ALSO...TT
ARE FORECAST TO RANGE IN THE MID 50S WITH SWEAT GREATER THAN 400.
CAMS AND THE FORECAST ENVIRONMENT SUPPORT A SCENARIO OF A BROKEN BAND
OF THUNDERSTORMS DEVELOPING ALONG THE EAST FACING SLOPES OF THE
APPALACHIANS AND NORTHERN GA. ONCE THE LINE FORMS...STEERING FLOW
AND COLD POOL DEVELOPMENT SHOULD RESULT IN A QUICK MOTION TO THE
EAST. DCAPE VALUES ACROSS THE UPSTATE AND SOUTHERN PIEDMONT MAY
RANGE ABOVE 1000 J/KG. AS THE LINE TRACKS EAST AND
ORGANIZES...SEVERE WIND GUSTS WILL BECOME THE PRIMARY CONCERN. I
HAVE UPDATED THE FORECAST AND HWO TO HIGHLIGHT THE AFTERNOON-EARLY
EVENING RISK FOR SEVERE WEATHER.

0940 UTC UPDATE...POPS HAVE BEEN RAISED ALONG THE TN BORDER PER
RADAR TRENDS.

0830 UTC UPDATE...POPS AND QPF WERE ADJUSTED BASED ON RADAR TRENDS
AND FOR A BETTER FIT WITH NEIGHBORING OFFICES.

AT 230 AM EDT TUESDAY...AN ANOMALOUS UPPER TROUGH AXIS WAS LOCATED
OVER EASTERN NORTH AMERICA THIS MORNING...WITH A RIDGE OVER THE
WESTERN PORTION OF THE CONTINENT. A SHORTWAVE MOVING THROUGH THE
BASED OF THIS TROUGH WILL APPROACH THE SOUTHERN APPALACHIANS THIS
AFTERNOON...CROSSING THE MOUNTAINS TONIGHT. ANOTHER SHORTWAVE WILL
APPROACH THE MOUNTAINS FROM THE WEST TOWARD DAWN ON WEDNESDAY.

LOW LEVEL MOISTURE AHEAD OF THE FIRST SHORTWAVE WILL MOVE EAST ACROSS
OUR AREA TODAY...FOLLOWED MY MODEST DRYING TONIGHT. MODELS FORECAST
SOUNDINGS SHOW SUBSTANTIAL SHEAR AND INSTABILITY DEVELOPING WITH
DAYTIME HEATING...SUPPORTING ROBUST CONVECTION THAT SHOULD ONLY
GRADUALLY DIMINISH THIS EVENING. INITIALLY PLENTY OF DRY AIR WILL BE
AVAILABLE ALOFT FOR EVAPORATIVE COOLING...BUT AS THE MID AND UPPER
LEVELS MOISTEN...ONLY THE LOWEST LEVELS WILL REMAIN DRY. STEERING
FLOW WILL KEEP CELLS MOVING...AND WITH LOW LEVEL FLOW NEARLY
PARALLEL TO THE BLUE RIDGE...UPSLOPE FLOW WILL BE LIMITED.
NEVERTHELESS...HEAVY DOWNPOURS COULD ACCOMPANY SOME OF THE
THUNDERSTORMS. TEMPERATURES WILL RUN NEAR NORMAL.

&&

.SHORT TERM /WEDNESDAY THROUGH THURSDAY NIGHT/...
AS OF 245 AM TUESDAY...THE SHORT TERM FCST PICKS UP AT 12Z ON
WEDNESDAY WITH THE PERSISTENT UPPER TROF AXIS OVER THE FCST AREA AND
UPPER RIDGING IN PLACE OVER THE WESTERN CONUS. AS WE MOVE INTO
THURS...THE TROF BEGINS TO DEAMPLIFY AND LIFT NE WHILE VARIOUS LOBES
OF SHORTWAVE ENERGY STREAM ACROSS THE FCST AREA. THIS IS EXPECTED TO
CONTINUE INTO FRI AS THE PERIOD ENDS.

ON WEDNESDAY...A LEE TROF WILL REDEVELOP OVER THE CWFA IN THE WAKE
OF A WEAK FROPA FROM EARLIER IN THE DAY. A LARGE PLUME OF DEEP LYR
MOISTURE WILL BEGIN TO OVERSPREAD THE CWFA FROM THE WEST BY LATE WED
AS THE LOW LVL FLOW REMAINS WEST TO SWLY. POPS WILL STEADILY RAMP UP
THRU THE DAY/EVENING FROM WEST TO EAST WITH SOME LOW END LIKELY
VALUES IN THE FAR WESTERN MTS. SPC CURRENTLY HAS A DAY 2 MARGINAL
RISK AREA EXTENDING INTO THE WESTERN HALF OF OUR CWFA VALID THRU 12Z
THURS. THIS MAKES SENSE WHEN CONSIDERING MODEL PROFILES GENERATE A
FAIR AMOUNT OF INSTABILITY AND SOME HEALTHY LOW LVL
SHEAR...ESPECIALLY OVER THE HIGHER TERRAIN. THIS IS LARGELY DUE TO A
POTENT LOOKING UPPER SHORTWAVE MOVING ACROSS WESTERN NC THURS
MORNING WITH SOME IMPRESSIVE MID TO UPPER LVL OMEGA ASSOCIATED WITH
IT AS WELL AS A STOUT 40 T0 50KT LOW LVL JET STREAK. THE MODELS KEEP
DEEP LYR MOISTURE OVER THE FCST AREA WELL INTO FRI WITH A CENTRAL
PLAINS LOW APPROACHING THE AREA BY THE END OF THE PERIOD 12Z FRI.
TEMPS START OUT AROUND CLIMO ON WED AND DROP A FEW DEGREES FOR THURS
WITH INCREASED CLOUD COVER AND POSSIBLE PRECIP.

&&

.LONG TERM /FRIDAY THROUGH MONDAY/...
AS OF 2 AM TUESDAY...THE MEDIUM RANGE FCST PICKS UP AT 12Z ON FRIDAY
WITH A DEAMPLIFICATION OF THE PERSISTENT UPPER TROF BY THE START OF
THE PERIOD. AS WE MOVE INTO THE WEEKEND HEIGHTS SLOWLY RISE AS THE
UPPER PATTERN FLATTENS OUT AND REMAINS THAT WAY THRU DAY 7. THE LONG
RANGE MODELS GENERATE MULTIPLE UPPER TROFS WITHIN THE NORTHERN
STREAM...YET THESE SYSTEMS AND THEIR ASSOCIATED ENERGY WILL REMAIN
WELL TO OUR NORTH. AT THE SFC...THE REGION WILL REMAIN FAIRLY
UNSETTLED THRU MOST OF THE PERIOD. ON FRIDAY...THE MODELS DEVELOP A
COMPLEX LOOKING LOW OVER THE FCST AREA AND ARE SLOW TO MOVE THE
SYSTEM NE. AS IT DOES MOVE WELL OFFSHORE ON SAT...ANOTHER SERIES OF
LOWS FORM IN ROUGHLY THE SAME AREA AND KEEP SOME DEGREE OF LEE
TROFFING OVER THE CWFA THRU THE END OF THE PERIOD. THE MODELS
GENERALLY AGREE THAT DEEP LYR MOISTURE WILL PERSIST OVER THE REGION
THRU MOST OF THE PERIOD WITH LOW LVL FLOW REMAINING OUT OF THE SOUTH
AND/OR SW MOST OF THE TIME. AS FOR THE SENSIBLE FCST...I KEPT THE
DIURNAL HIGH END CHANCES FOR CONVECTION EACH DAY/EVENING WITH SOME
LIKELY POPS OVER THE NC/TENN BORDER REGION FOR FRI AND SAT. TEMPS
START OUT AROUND CLIMATOLOGY ON FRI AND WARM THRU THE PERIOD WITH
HIGHS NEARLY A CATEGORY ABOVE NORMAL BY EARLY NEXT WEEK.

&&

.AVIATION /18Z TUESDAY THROUGH SUNDAY/...
AT KCLT...VFR. MODEL TIME HEIGHTS SUGGEST A LOW VFR CIG MOVING OVER
THE AREA AROUND MIDDAY AS THE REMAINS OF A COLD FRONT MOVE IN FROM
THE WEST. WINDS WILL FAVOR THE SW...BECOMING GUSTY DURING THE DAY.
CONVECTIVE CHANCES WARRANT A MENTION IN THE TAF THIS AFTERNOON AND
EVENING AS INSTABILITY IMPROVES WITH DAYTIME HEATING. A GUIDANCE
CONSENSUS IS NOT SUPPORTIVE OF A DAYBREAK FOG RESTRICTION WITH THIS
MORNING OR WEDNESDAY MORNING.

ELSEWHERE...VFR. CONVECTIVE ACTIVITY CROSSING THE MOUNTAINS MAY
STRUGGLE TO REACH KAVL THIS MORNING BEFORE INSTABILITY CAN RAMP UP.
ALTHOUGH A FEW GUIDANCE MEMBER FAVOR A DAYBREAK FOG RESTRICTION AT
KAVL...THE CONSENSUS DOES NOT. LOW VFR CIGS WILL OVERSPREAD THE
REGION STARTING IN THE MOUNTAINS...AND REACHING THE FOOTHILLS BY
LATE MORNING...AHEAD OF AN APPROACHING SURFACE BOUNDARY. CONVECTIVE
CHANCES ASSOCIATED WITH THE BOUNDARY WARRANT A MENTION FOR LATE
AFTERNOON AND EARLY THIS EVENING. WINDS WILL FAVOR THE SW...WITH
DAYTIME GUSTS...EXCEPT AT KAVL WHERE WINDS WILL CHANNEL UPVALLEY
FROM THE NW.

OUTLOOK...A LINGERING BERMUDA HIGH COMBINED WITH AN AMPLIFYING
LONGWAVE TROF OVER THE SOUTHEAST WILL GRADUALLY INCREASE MOISTURE
AND INSTABILITY THROUGH MOST OF THE WORK WEEK. THUNDERSTORM COVERAGE
MAY INCREASE EACH DAY THROUGH WEDNESDAY...WITH SCT TO NUM DIURNAL
THUNDERSTORMS LATE IN THE WEEK. RESTRICTIONS MAY OCCUR WITH PASSING
STORMS...AND EACH MORNING OVER AREAS OF WET SOIL.

CONFIDENCE TABLE...

            16-22Z        22-04Z        04-10Z        10-12Z
KCLT       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KGSP       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KAVL       HIGH 100%     HIGH 100%     HIGH 100%     MED   61%
KHKY       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KGMU       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KAND       HIGH 100%     HIGH 100%     HIGH 100%     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

&&

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

&&

SYNOPSIS...JPT
NEAR TERM...NED
SHORT TERM...JPT
LONG TERM...JPT
AVIATION...JAT
Hazardous weather outlook, Jun 30, 6:51 AM EST, 4 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
751 AM EDT TUE JUN 30 2015

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-011200-
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-
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-CHESTER-GREENWOOD-
751 AM EDT TUE JUN 30 2015

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

.DAY ONE...TODAY AND TONIGHT.

A LINE OF THUNDERSTORMS WILL PUSH EAST ACROSS MOST OF THE NORTH
CAROLINA MOUNTAINS THIS MORNING. THIS LINE WILL PRODUCE OCCASIONAL
CLOUD TO GROUND LIGHTNING...GUSTY WINDS...AND HEAVY DOWNPOURS.

A BAND OF THUNDERSTORMS IS FORECAST TO DEVELOP ALONG THE EAST
FACING SLOPES OF THE APPALACHIANS AND ACROSS NORTHERN GEORGIA BY
MID AFTERNOON. SHORTLY AFTER DEVELOPING...THESE STORMS SHOULD
MOVE QUICKLY EAST ACROSS THE FOOTHILLS AND PIEDMONT OF THE
CAROLINAS AND NORTHEAST GEORGIA. THROUGH MID EVENING...THE
ENVIRONMENT ACROSS THE REGION WILL LIKELY SUPPORT SEVERAL SEVERE
THUNDERSTORMS...PRODUCING DAMAGING WIND GUSTS. IN
ADDITION...FREQUENT CLOUD TO GROUND LIGHTNING STRIKES AND HEAVY
DOWNPOURS MAY OCCUR WITH ANY STORM.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

..WEDNESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..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.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...OR FLASH FLOODING TO OUR OFFICE.

NED

In the hours before

Special weather statement, Jun 30, 5:25 AM EST, 6 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
625 AM EDT TUE JUN 30 2015

NCZ033-048>050-052-053-501>507-301100-
RUTHERFORD MOUNTAINS NC-BUNCOMBE NC-AVERY NC-EASTERN MCDOWELL NC-
MCDOWELL MOUNTAINS NC-GREATER BURKE NC-BURKE MOUNTAINS NC-
GREATER CALDWELL NC-YANCEY NC-CALDWELL MOUNTAINS NC-HAYWOOD NC-
MADISON NC-MITCHELL NC-
625 AM EDT TUE JUN 30 2015

...A LINE OF STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF CALDWELL...
NORTHWESTERN BURKE...SOUTHEASTERN MADISON...MITCHELL...YANCEY...
AVERY...BUNCOMBE...MCDOWELL AND NORTHEASTERN HAYWOOD COUNTIES UNTIL
700 AM EDT...

AT 625 AM EDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES EAST OF ERWIN TO
NEAR BURNSVILLE TO 12 MILES NORTHEAST OF WAYNESVILLE...AND MOVING
EAST AT 45 MPH.

WIND GUSTS UP TO 55 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
EAST ASHEVILLE...NORTH ASHEVILLE...WEST ASHEVILLE...DOWNTOWN
ASHEVILLE...LENOIR...MORGANTON...MARION...SPRUCE PINE...BURNSVILLE
AND MARSHALL.

LAT...LON 3621 8190 3616 8183 3611 8181 3612 8155
      3609 8148 3583 8150 3549 8223 3562 8309
      3592 8241 3608 8241 3611 8237 3614 8229
      3613 8225 3616 8220 3615 8215 3611 8213
      3610 8208 3612 8203 3625 8195 3625 8190
TIME...MOT...LOC 1025Z 275DEG 57KT 3618 8226 3590 8229 3563 8286

07
Special weather statement, Jun 30, 6:16 AM EST, 5 hours 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
716 AM EDT TUE JUN 30 2015

NCZ048-051>053-058-059-301145-
BUNCOMBE NC-SWAIN NC-HAYWOOD NC-NORTHERN JACKSON NC-MADISON NC-
GRAHAM NC-
716 AM EDT TUE JUN 30 2015

...A LINE OF STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF
SOUTHWESTERN MADISON...NORTHWESTERN JACKSON...SWAIN...EASTERN
GRAHAM...NORTHWESTERN BUNCOMBE AND HAYWOOD COUNTIES UNTIL 745 AM
EDT...

AT 715 AM EDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 10 MILES WEST OF MARSHALL
TO 10 MILES NORTH OF ROBBINSVILLE...AND MOVING SOUTHEAST AT 15 MPH.

WIND GUSTS UP TO 45 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
BRYSON CITY...NORTH ASHEVILLE...WAYNESVILLE...WOODFIN...LAKE
JUNALUSKA...CLYDE...MAGGIE VALLEY...SMOKY MOUNTAINS...OCONALUFTEE...
B.R. PARKWAY...SMOKY MOUNTAINS TO BALSAM GAP AND FONTANA VILLAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE
RAPIDLY. SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.

&&

LAT...LON 3550 8390 3557 8369 3556 8350 3566 8335
      3566 8330 3569 8326 3572 8325 3572 8320
      3575 8317 3577 8299 3583 8294 3586 8284
      3565 8251 3529 8359 3528 8367 3525 8370
      3525 8373
TIME...MOT...LOC 1115Z 318DEG 13KT 3578 8287 3548 8377

NED
Special weather statement, Jun 30, 11:03 AM EST, 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1203 PM EDT TUE JUN 30 2015

GAZ010-017-301645-
RABUN GA-HABERSHAM GA-
1203 PM EDT TUE JUN 30 2015

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF HABERSHAM AND
WESTERN RABUN COUNTIES UNTIL 1245 PM EDT...

AT 1200 PM EDT...DOPPLER RADAR WAS TRACKING A CLUSTER OF STRONG
THUNDERSTORMS IN NORTHEAST GEORGIA MOVING EAST AT 20 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH
THESE STORMS. BOATERS SHOULD SEEK SHELTER BEFORE THE STORMS ARRIVE.

LOCATIONS IMPACTED INCLUDE...
CLAYTON...CLARKESVILLE...DEMOREST...MOUNTAIN CITY...TIGER...MOCCASIN
CREEK STATE PARK...BLACK ROCK MOUNTAIN STATE PARK...LAKE BURTON...
MOCCASIN CREEK STATE PARK AND LAKEMONT.

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3482 8365 3484 8366 3488 8366 3491 8363
      3492 8360 3494 8360 3496 8333 3457 8344
      3448 8365 3451 8366 3454 8362 3462 8364
      3465 8366 3467 8365 3471 8364 3473 8362
      3477 8363 3480 8368
TIME...MOT...LOC 1600Z 240DEG 49KT 3464 8369

LG

The radar

The Greer radar (KGSP), 118 km away, was scanning. The volume nearest the first event began at 16:25 UTC.

Open the radar archive at this moment

Event by event

4 thunderstorm wind, 1 hail. Local standard time, as filed.

Thunderstorm Wind, Habersham

When
June 30, 11:25 AM EST
Where
Habersham County, 2.38 mi WNW of New Switzerland
Measured
50 kt (58 mph) estimated gust
Reported by
Public
Coordinates
34.590, -83.460

Public reported multiple trees snapped on North Woods Dr.

Thunderstorm Wind, Stephens

When
June 30, 11:34 AM EST to 11:39 AM EST
Where
Stephens County, 1.38 mi S of Toccoa Falls to 0.57 mi E of Toccoa
Measured
50 kt (58 mph) estimated gust
Reported by
Department of Highways
Coordinates
34.580, -83.350

DOT reported multiple trees blown down in the Toccoa area.

Thunderstorm Wind, Franklin

When
June 30, 11:45 AM EST to 12:06 PM EST
Where
Franklin County, 1.14 mi W of Aid to 2.07 mi S of Lavonia Muni Arpt
Measured
50 kt (58 mph) estimated gust
Reported by
911 Call Center
Coordinates
34.350, -83.340

County comms reported scattered trees blown down throughout the county.

Hail, Franklin

When
June 30, 11:55 AM EST
Where
Franklin County, Carnesville
Measured
1 in hail
Reported by
Public
Coordinates
34.370, -83.230

Public reported quarter size hail in the Carnesville area.

Thunderstorm Wind, Hart

When
June 30, 12:18 PM EST
Where
Hart County, 2.28 mi E of Maretts
Measured
50 kt (58 mph) estimated gust
Reported by
Emergency Manager
Coordinates
34.420, -82.940

EM reported multiple trees blown down between Hartwell and Reed Creek.

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.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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: 590693, 590694, 590697, 590698, 590696.