Georgia, 2007

Damaging Winds in Georgia, August 5, 2007

August 5, 2007 · NWS GSP · 3 events in 3 counties and zones

A few severe storms affected extreme northeast Georgia during the afternoon hours.

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
3

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 severe storms affected extreme northeast Georgia during the afternoon hours.

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 Aug 5, 12:51 PM EST, 54 minutes earlier.

Area forecast discussion, Aug 5, 12:51 PM EST, 54 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
151 PM EDT SUN AUG 5 2007

.SYNOPSIS...
AN UPPER LEVEL RIDGE WILL BUILD THROUGH A DEEP LAYER ACROSS THE
REGION AND PERSIST THROUGH THURSDAY...BEFORE AN UPPER LEVEL TROF
BEGINS TO DEVELOP DOWN THE EAST COAST FRIDAY THROUGH THE WEEKEND. THIS
WEATHER PATTERN WILL MAINTAIN HOT...AND ABOVE NORMAL TEMPERATURES
THROUGHOUT THE WEEK.

&&

.NEAR TERM /THROUGH TONIGHT/...
AT 15Z...SEVERAL AREAS ACROSS THE PIEDMONT HAVE REACHED 90 DEGREES.
BASED ON THE LATEST MOS AND OBSERVATIONS...IT APPEARS THAT THE GOING
FORECAST IS IN GOOD SHAPE. I WILL WARM TEMPS A DEGREE OR TWO ACROSS
THE I-40 CORRIDOR OF THE FOOTHILLS AND PIEDMONT TO COME A LITTLE
CLOSER TO TEMPERATURES OBSERVED YESTERDAY. DWPTS SHOULD MIX
EFFICIENTLY THIS AFTERNOON...RESULTING IN VALUES NEAR 60 DEGREES. THE
LOWER DEWPOINTS SHOULD YIELD HEAT INDEX VALUES CLOSE TO THE TEMPS
AND LOW CAPES. IN FACT...CAPES SHOULD STRUGGLE TO REACH 500 J/KG
EAST OF I-26. THE GREATEST INSTABILITY SHOULD REMAIN OVER THE
SOUTHERN AND CENTRAL MTNS AND ADJACENT FOOTHILLS. SHORT RANGE MODELS
DO ADVERTISE TSRA CLUSTERS INITIATING OVER KY AND E TN THIS
AFTERNOON. ANY ACTIVITY WILL MOVE EAST TO THE SOUTHERN APPALACHIANS.
I WILL HIGHLIGHT THE TN BORDER COUNTIES AND HIGH RIDGES WITH SCT
TSRA THIS AFTERNOON...SPREADING SLIGHT EAST THIS EVENING.
OTHERWISE...THE CWA WILL REMAIN HOT AND DRY. THE AIR QUALITY ACTION
DAY REMAINS IN EFFECT UNTIL 9 PM FOR THE CLT REGION.

&&

.SHORT TERM /MONDAY THROUGH WEDNESDAY NIGHT/...
SHORT TERM MODELS ARE IN DECENT AGREEMENT WITH PLACEMENT AND
STRENGTH OF H5 PATTERN MON THROUGH WED. VERY LITTLE SPREAD ACROSS
THE SOUTHEAST ACCORDING TO THE 21Z SREF WITH REGARD TO THE H5 FIELD
AND MSLP THROUGH 84 HRS...WITH THE MAIN FEATURES BEING INCREASING
HEIGHTS ALOFT AND LEE SIDE TROF DEVELOPING IN CONTINUING LLVL
NORTHWEST FLOW.

THE BIG STORY FOR THE SHORT TERM CONTINUES TO BE MAX TEMPS. MODELS
HAVE BACKED OFF ON THE STRENGTH OF H5 RIDGE A BIT...BUT A STAGNANT
AIRMASS WILL ENGULF THE CAROLINAS BEGINNING LATE MONDAY AS STACKED
HIGH BUILDS EAST. THIS WILL ENABLE VERY HOT TEMPERATURES TO
MATERIALIZE AND IT STILL LOOKS LIKE KAVL AND KGSP WILL HAVE THE BEST
CHANCE OF TYING OR BREAKING RECORD HIGHS TUE AND WED. THE GREATEST
POSSIBLE AREAS OF HEAT ADVISORY CRITERIA BEING MET WILL BE ALONG
AND SOUTH OF INTERSTATE 85 TUE...AND PRETTY MUCH ALL NON/MOUNTAIN
LOCATIONS WED.

MOUNTAIN TOP CONVERGENCE WILL AGAIN BE THE MAIN TRIGGER FOR
AFTERNOON CONVECTION AND MOST OF THE ACTIVITY SHOULD REMAIN ISOLATED
ACROSS THE HIGHER ELEVATIONS. BUFKIT SBCAPE VALUES FOR KAVL SEEM
PRETTY LOW MON...AROUND 500 J/KG...HOWEVER ENOUGH MOUNTAIN WAVE
ACTION SHOULD HELP INSTIGATE DEEPER CONVECTION. ON TUE AND
WED...AVAILABLE CAPE BECOMES LARGE AGAIN WITH THE INCREASE OF
SURFACE TEMPS CREATING DECENT LI NUMBERS...SO WILL ONCE AGAIN EXPECT
ISOLATED CONVECTIVE ACTIVITY...WITH A COUPLE STRONG AND POSSIBLY SEVERE
LEVEL STORMS DEVELOPING.

&&

.LONG TERM /THURSDAY THROUGH SUNDAY/...
THE WX PATTERN CONTINUES TO BE DOMINATED BY LARGE SCALE RIDGING
THU...BUT A TREND TOWARD LOWERING HEIGHTS ALOFT ACROSS THE EAST
COAST IS PROGGED BY THE LT MODELS THROUGH SAT. MAX TEMPS WILL REMAIN
HOT AND ABOVE NORMAL BY ABOUT 5 DEGREES...BUT NOT AS HOT AS TUE/WED
WITH DEEP SUBSIDENCE BACKING OFF TO THE WEST. THE MAIN CONCERN FRI
AND SAT WILL BE WHETHER OR NOT OHIO VALLEY MCS ACTIVITY WILL MAKE IT
TO THE CAROLINAS. H5 HEIGHTS DROP AND NW UPPER FLOW INCREASES THE
AMOUNT OF VORT ENERGY ACROSS THE REGION...THEREBY CREATING WIDER
COVERAGE AND PERHAPS ORGANIZATION OF STORMS LATE FRI AND SAT. THE
00Z GFS IS POINTING TO THIS POSSIBILITY...BUT FOR NOW WILL KEEP THE
ISOLATED COVERAGE OF CONVECTION ALREADY IN THE GRIDS.

&&

.AVIATION /18Z SUNDAY THROUGH FRIDAY/...
ISO TO SCT SHRA/TSRA WILL BE WATCHED OVER THE NEXT 6-8 HRS...TAFS
WILL REMAIN DRY FOR NOW. WIDESPREAD HZ EVIDENT ON HOURLY
OBSERVATIONS THIS MORNING AND INTO THE EARLY AFTERNOON. IT APPEARS
THE VIS LIMITATIONS WILL REMAIN THE FORECAST CONCERN TONIGHT AND MON
AM. MOS AND PERSISTENCE SUPPORTS A MENTION OF MVFR BR/HZ AFTER 6Z
TONIGHT...WITH KAVL TEMPO SLIPPING INTO IFR. MIXING AND SLIGHTLY
STRONG WINDS SHOULD ALLOW VIS TO GO P6SM A LITTLE FASTER MON
AM...MAINLY AFTER 14Z.

AVIATION OUTLOOK...OTHER THAN EARLY MORNING FOG AND ISOLD AFTN-EVE
SHWRS/TSTMS...MAINLY MTNS...VFR CONDITIONS EXPECTED THROUGH THE
MIDDLE OF NEXT WEEK.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...AIR QUALITY ACTION DAY UNTIL 9 PM EDT THIS EVENING FOR NCZ036-
     057-069>072-082.
SC...NONE.

&&

SYNOPSIS...SBK
NEAR TERM...NED
SHORT TERM...SBK
LONG TERM...SBK
AVIATION...NED
Hazardous weather outlook, Aug 5, 4:59 AM EST, 8 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
559 AM EDT SUN AUG 5 2007

GAZ010-017-018-026-028-029-NCZ033-035-037-048>053-056-058-059-
062>065-068-501>510-SCZ001>014-019-061000-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER-DAVIE-
MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CLEVELAND-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-
559 AM EDT SUN AUG 5 2007

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.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.

NCZ036-057-069>072-082-061000-
IREDELL-ROWAN-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
559 AM EDT SUN AUG 5 2007

...AIR QUALITY ACTION DAY IN EFFECT UNTIL 9 PM EDT THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH 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.

   AIR QUALITY ACTION DAY.

.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.

ARK

The radar

The Greer radar (KGSP), 106 km away, was scanning. The volume nearest the first event began at 18:45 UTC.

Open the radar archive at this moment

Event by event

3 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Stephens

When
August 5, 1:45 PM EST to 1:50 PM EST
Where
Stephens County, Toccoa
Measured
55 kt (63 mph) estimated gust
Reported by
County Official
Coordinates
34.580, -83.320

Several power lines and a large tree blown down around the city.

Thunderstorm Wind, Franklin

When
August 5, 2:20 PM EST
Where
Franklin County, Lavonia
Measured
50 kt (58 mph) estimated gust
Reported by
County Official
Coordinates
34.430, -83.100

A tree blown down on highway 59 in Lavonia, and another down on Clarks Creek Rd.

Thunderstorm Wind, Hart

When
August 5, 2:38 PM EST
Where
Hart County, 6 mi N of Hartwell to 6 mi NNE of Hartwell
Measured
50 kt (58 mph) estimated gust
Reported by
County Official
Coordinates
34.437, -82.930

A tree was blown down on Milltown Rd with large limbs blown down near the intersection of highway 51 and Boleman Hill 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 2007Every state in 2007This day in weather historyWarnings in Georgia, August 2007

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: 55719, 55723, 55724.