Georgia, 2012

Damaging Winds in Georgia, July 5, 2012

July 5, 2012 · NWS GSP · 2 events in 2 counties and zones

A line of thunderstorms moved into northeast Georgia from the mountains of North Carolina, blowing down several trees before dissipating.

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 line of thunderstorms moved into northeast Georgia from the mountains of North Carolina, blowing down several trees before dissipating.

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 5, 1:47 PM EST, 4 hours 48 minutes earlier.

Area forecast discussion, Jul 5, 1:47 PM EST, 4 hours 48 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
247 PM EDT THU JUL 5 2012

.SYNOPSIS...
A WEAK LOW PRESSURE TROUGH WILL GIVE WAY TO UPPER LEVEL RIDGING THIS
WEEKEND MAINTAINING THE HOT TEMPERATURES. AN UPPER LEVEL TROUGH OF
LOW PRESSURE ALONG WITH AN ENCROACHING FRONT WILL DEVELOP ACROSS THE
REGION NEXT WEEK RESULTING IN DAILY THUNDERSTORM CHANCES AND STEADILY
LESS HOT CONDITIONS.

&&

.NEAR TERM /THROUGH FRIDAY NIGHT/...
AS OF 215 PM...CONVECTION HAS BEEN FIRING UP OVER THE PAST COUPLE OF
HOURS AND WE ARE NOW UNDER A SVR THUNDERSTORM WATCH FOR OUR ENTIRE
CWFA. DISCRETE CELLS HAVE BEEN FORMING MOSTLY OVER THE UPSTATE AND
THE NC FOOTHILLS THUS FAR. STILL EXPECTING MORE TO DEVELOP OVER THE
MTS AS THE AFTERNOON WEARS ON BUT AS OF 215PM...IT HAS BEEN QUITE
OVER THE HIGHER TERRAIN. CURRENT LAPSE SOUNDINGS MAINTAIN
CONSIDERABLE INSTABILITY AND DCAPE OVER THE CWFA WITH VERY MINIMAL
SHEAR. SO...I DONT EXPECT MUCH SUBSTANTIAL ORGANIZATION FROM ANY
CELLS THAT DEVELOP...HOWEVER A LINE OF TS COULD MAINTAIN ITSELF IS
TRIGGERED BY STRONG OUTFLOW BOUNDARIES. FREEZING LVLS ARE AROUND
15KFT MSL SO IT WILL TAKE SOME TALL CORES TO PRODUCE LARGE HAIL AT
THE SFC...BUT WITH THE RELATIVELY DRY AIR IN THE LOWER LVLS...THE
POTENTIAL FOR STRONG DOWNBURSTS IS GOOD. STILL EXPECT HIGH TEMPS
NEAR 100 OVER THE LOWER ELEVATIONS AND MID TO UPPER 80S FOR THE MTS.
EXPECT THINGS TO QUITE DOWN LATER TONIGHT AND INTO THE EARLY MORNING
HOURS AS WE COOL. PATCHY TO AREAS OF FOG ARE POSSIBLE IN THE MT
VALLEYS FOR A FEW HOURS TOMORROW MORNING IF DEWPTS STAY UP.

TOMORROW...SHOULD BE SIMILAR TO TODAY WITH THE UPPER RIDGE DRIFTING
FARTHER EAST OVER THE OHIO RIVER VALLEY AND ANOTHER HOT SUMMERTIME
DAY ON TAP. EXPECTING LESS UPPER SHORTWAVE ENERGY OVERALL...SO I
BROUGHT POPS DOWN TO JUST SOLID CHANCE OVER THE HIGHER TERRAIN.

&&

.SHORT TERM /SATURDAY THROUGH SUNDAY/...
AS OF 240 PM THURSDAY...H5 HEIGHTS RISE ACROSS THE REGION SAT AS A
RIDGE AXIS BUILDS IN FROM THE W...WITH WEAK SHORTWAVES PUSHING DOWN
OVER THE AREA FROM THE N. WITH DEW POINTS AND PW STAYING RELATIVELY
HIGH EXPECT A CONTINUATION OF SCT DIURNAL CONVECTION...MAINLY OVER
THE MTNS WHERE LOW LEVEL CONVERGENCE WILL BE BEST. HIGHS REMAIN
ABOVE AVG AND HEAT INDEX VALUES OF 102-104 WILL BE LIKELY IN THE
AFTN AND A HEAT ADVSRY MAY BE NEEDED IF AREA WARMS A DEG OR SO
HIGHER. MODELS ARE IN DECENT AGREEMENT SHOWING THE RIDGE WEAKENING
SUN AS A TROF MOVES ACROSS THE NE US. SINCE BEST LOW LEVEL
CONVERGENCE REMAINS OVER THE W CWA WE KEPT SCT CONVECTION ACROSS THE
MTNS AND ADJACENT FOOTHILLS...MAINLY NORTH OF I-85...WITH ISOLATED
ELSEWHERE. HIGHS REMAIN ABOVE AVG SO EXPECT HEAT INDEX VALUES ABOVE
100 DEG E OF THE MTNS.

&&

.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
AS OF 100 PM THURSDAY...MEDIUM RANGE MODELS ARE STILL ADVERTISING
THE ONSET OF EASTERN CONUS L/WV TROUGH AND THE ENCROACHMENT OF
ELONGATED FRONTAL BOUNDARY FOR THE START OF THE PERIOD. WITH
COMMENCEMENT OF PATTERN CHANGE...WILL NUDGE DIURNALLY ENHANCED TSTM
CHANCES UPWARD AND MAX TEMPS DOWNWARD FOR MONDAY. WITH BNDRY PROGGED
TO LINGER IN THE VICINITY THRU TUESDAY...ROBUST...SOLID TSTM CHANCES
WILL CONTINUE AND THE TREND FOR LESS WARM TEMPERATURES WILL CONTINUE
AS WELL WITH MAX TEMPS PROGGED AROUND IF NOT A TAD BELOW CLIMO. BY
THE END OF PERIOD...MEAN L/WV TROFINESS FILLS JUST NOMINALLY...
AND WAVY LLVL BNDRY IS PROGGED TO LINGER SOMEWHERE ACRS THE SE
CONUS. BASED ON THIS SETUP...WOULD EXPECT DAILY TSTM CHANCES TO
REMAIN ABOVE CLIMO WHILE MAX TEMPS SHOULD AVERAGE A LITTLE BELOW
AVERAGE.

&&

.AVIATION /19Z THURSDAY THROUGH TUESDAY/...
AT KCLT...CONVECTION IS RAMPING UP OVER THE AREA WITH A PRETTY GOOD
CLUSTER OF SEVERE TS MOVING SOUTHWARD TOWARDS MECKLENBURG COUNTY. AT
THEIR CURRENT SPEED THEY WILL LIKELY REACH KCLT AROUND 1530LT WITH
STRONG LOW LVL WINDS...CLOUD TO GROUND LIGHTNING...AND REDUCED
VISBY. I HAVE INCLUDED A TEMPO GROUP VALID FROM 20 TO 24Z WITH MVFR
VISBY AND BKN CB. ONCE THE CONVECTION ENDS...I EXPECT VFR CONDITIONS
THRU THE REMAINDER OF THE PERIOD.

ELSEWHERE...A SIMILAR STORY FOR THE OTHER SITES EXCEPT THAT I HAVE
VCTS FOR THE FM GROUP THRU THE LATE NIGHT TO ACCOUNT FOR SCT
CONVECTION. ITS DIFFICULT TO SAY EXACTLY HOW LONG THE CONVECTION
WILL LAST...BUT I THINK IT SHOULD DIE OFF BY 3Z OR SO.
OTHERWISE...VFR CONDITIONS SHOULD PREVAIL WITH THE POSSIBILITY OF
SOME PATCHY FOG OVER THE MT VALLEYS INCLUDING KAVL FROM ABOUT 9Z TO
12Z.

OUTLOOK...ISOLATED TO SCATTERED AFTN/EVE SHRA/TSRA EXPECTED EACH DAY
THROUGH THE WEEKEND...WITH AREAS OF MORNING FOG/STRATUS
POSSIBLE...ESP IN THE MTN VALLEYS.

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 THAT WILL BE APPROACHED AND POSSIBLY
EXCEEDED...

AVL
JULY 5TH  96 IN 1948
JULY 6TH  93 IN 1993
JULY 7TH  95 IN 1993

GSP
JULY 5TH   98 IN 1993
JULY 6TH  100 IN 1993
JULY 7TH  100 IN 1993

CLT
JULY 5TH  100 IN 1954
JULY 6TH   99 IN 1930
JULY 7TH  100 IN 1993

&&

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

&&

SYNOPSIS...CSH
NEAR TERM...JPT
SHORT TERM...RB
LONG TERM...CSH
AVIATION...JPT
CLIMATE...
Hazardous weather outlook, Jul 5, 6:26 PM EST, 9 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
726 PM EDT THU JUL 5 2012

GAZ010-017-018-026-028-029-NCZ051-052-058-059-062>065-082-SCZ001>014-
019-062330-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-SWAIN-HAYWOOD-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
UNION NC-OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
726 PM EDT THU JUL 5 2012

...SEVERE THUNDERSTORM WATCH 470 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

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

.DAY ONE...TONIGHT.

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

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

HEAT INDEX VALUES MAY REACH 105 ACROSS PORTIONS OF THE AREA SOUTH
OF INTERSTATE 85 FRIDAY AND SATURDAY AFTERNOONS. A HEAT ADVISORY
WILL BE NEEDED IF THESE CONDITIONS DEVELOP.

.SPOTTER INFORMATION STATEMENT...

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

NCZ033-035>037-048>050-053-056-057-068>072-501>510-062330-
AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-BUNCOMBE-
CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-
CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-
MCDOWELL MOUNTAINS-EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-
GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-
726 PM EDT THU JUL 5 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA AND
WESTERN NORTH CAROLINA.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

HEAT INDEX VALUES MAY REACH 105 ACROSS PORTIONS OF THE AREA SOUTH
OF INTERSTATE 85 FRIDAY AND SATURDAY AFTERNOONS. A HEAT ADVISORY
WILL BE NEEDED IF THESE CONDITIONS DEVELOP.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Local storm report, Jul 5, 5:46 PM EST, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
646 PM EDT THU JUL 05 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0452 PM     TSTM WND DMG     RAMSEYTOWN              36.00N 82.36W
07/05/2012                   YANCEY             NC   911 CALL CENTER

            MANY TREES DOWN IN THE NORTHWESTERN PART OF YANCEY
            COUNTY.

0600 PM     TSTM WND DMG     3 WSW LEICESTER         35.63N 82.74W
07/05/2012                   BUNCOMBE           NC   911 CALL CENTER

            TWO TREES DOWN NEAR LEICESTER.

0540 PM     TSTM WND DMG     WEAVERVILLE             35.70N 82.56W
07/05/2012                   BUNCOMBE           NC   911 CALL CENTER

            ONE TREE DOWN NEAR WEAVERVILLE. TIME ESTIMATED BY RADAR.

&&

OUTLAW
Local storm report, Jul 5, 5:49 PM EST, 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
649 PM EDT THU JUL 05 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0610 PM     TSTM WND DMG     BRYSON CITY             35.43N 83.45W
07/05/2012                   SWAIN              NC   COUNTY OFFICIAL

            NUMEROUS TREES DOWN ACROSS THE COUNTY.

&&

RB
Local storm report, Jul 5, 6:04 PM EST, 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
704 PM EDT THU JUL 05 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0620 PM     TSTM WND DMG     SYLVA                   35.37N 83.22W
07/05/2012                   JACKSON            NC   COUNTY OFFICIAL

            NUMEROUS TREES DOWN ACROSS THE NORTHERN PART OF THE
            COUNTY. QUARTER SIZE HAIL ALSO REPORTED AT MULTIPLE
            LOCATIONS.

0645 PM     TSTM WND DMG     BRYSON CITY             35.43N 83.45W
07/05/2012                   SWAIN              NC   COUNTY OFFICIAL

            LARGE LIMBS DOWN.

&&

RB
Local storm report, Jul 5, 6:10 PM EST, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
710 PM EDT THU JUL 05 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0638 PM     TSTM WND DMG     GREER                   34.94N 82.23W
07/05/2012                   GREENVILLE         SC   AMATEUR RADIO

            LARGE LIMBS DOWN AND HALF INCH HAIL.

&&

RB
Local storm report, Jul 5, 6:20 PM EST, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
720 PM EDT THU JUL 05 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0605 PM     TSTM WND DMG     LAKE LURE               35.44N 82.21W
07/05/2012                   RUTHERFORD         NC   COUNTY OFFICIAL

            THREE TREES DOWN.

&&

RB
Local storm report, Jul 5, 6:34 PM EST, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
734 PM EDT THU JUL 05 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0650 PM     HAIL             4 N GREER               35.00N 82.24W
07/05/2012  E1.25 INCH       GREENVILLE         SC   PUBLIC

            HALF DOLLAR SIZED HAIL REPORTED THROUGH DIAL IN PROGRAM.

&&

OUTLAW

The radar

The Greer radar (KGSP), 107 km away, was scanning. The volume nearest the first event began at 23:36 UTC.

Open the radar archive at this moment

Event by event

2 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Rabun

When
July 5, 6:35 PM EST to 7:00 PM EST
Where
Rabun County, 0.89 mi NW of Dillard to 6.04 mi ENE of Checkero
Measured
55 kt (63 mph) estimated gust
Reported by
911 Call Center
Coordinates
34.980, -83.390

Numerous trees were blown down across the county.

Thunderstorm Wind, Stephens

When
July 5, 7:48 PM EST
Where
Stephens County, Toccoa
Measured
50 kt (58 mph) estimated gust
Reported by
911 Call Center
Coordinates
34.580, -83.320

A tree and a couple of power lines were blown down in the Toccoa area.

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 2012Every state in 2012This day in weather historyWarnings in Georgia, 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: 400747, 402685.