Georgia, 2008

Flash Flooding in Georgia, August 25 to 26, 2008

August 25 to 26, 2008 · NWS GSP · 3 events in 2 counties and zones

The remnants of Tropical Storm Fay brought a couple rounds of heavy rain to northeast Georgia, resulting in flashing flooding over a two day period.

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.

The remnants of Tropical Storm Fay brought a couple rounds of heavy rain to northeast Georgia, resulting in flashing flooding over a two day period.

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 25, 7:00 AM EST, 30 minutes earlier.

Area forecast discussion, Aug 25, 7:00 AM EST, 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
800 AM EDT MON AUG 25 2008

.SYNOPSIS...
THE REMNANTS OF TROPICAL DEPRESSION FAY WILL LINGER OVER SOUTHERN
MISSISSIPPI TODAY. A COLD FRONT WILL MOVE INTO THE AREA FROM THE
NORTH TUESDAY THROUGH WEDNESDAY AS FAY MOVES NORTHEAST AND PUSHES
DEEP TROPICAL MOISTURE INTO THE REGION. THE REMNANTS OF FAY SHOULD
MOVE NORTH OF THE AREA BY LATE IN THE WEEK...AS ANOTHER COLD FRONT
APPROACHES FROM THE NORTHWEST.

&&

.NEAR TERM /THROUGH TONIGHT/...
AS FAY APPROACHES THE AREA FROM THE SW TODAY...A WEAK COLD FRONT
WILL APPROACH FROM THE NW. MOISTURE CONTINUES TO INCREASE FROM THE S
AND SHOWERS WILL LIKELY CONTINUE TO DEVELOP AND MOVE ACROSS MAINLY
THE W CWA THIS MRNG. AS FAY AND THE COLD FRONT CONVERGE OVER THE AREA
TODAY AND TONIGHT...CONVECTION WILL INCREASE WITH CATEGORICAL POPS
OVER THE SW CWA...TAPERING TO LIKELY CNTRL AND SOLID CHANCE IN THE
E. STABILITY WILL DECREASE LATER TODAY AND MODEL CAPES REACH
500-1000 J/KG BY MID AFTN SO WE SHOULD SEE AT LEAST ISOLD TSTMS.
SIGNIFICANT RAINFALL ARE POSSIBLE THRU THE NEAR TERM...ESP OVER THE
W CWA NEAR THE MTNS. WITH THE CLOUDS AND RAIN...HI TEMPS WILL BE IN
THE L-M80S WITH 70S MTNS. LOWS TONIGHT WILL BE IN THE UPPER 60S
PIEDMONT AREAS...L-M60S MTNS.

&&

.SHORT TERM /TUESDAY THROUGH WEDNESDAY NIGHT/...
AT 1 AM EDT...THE REMAINS OF FAY WILL BE DOMINATE THE SHORT RANGE
FORECAST AS THEY MOVE SLOWLY NORTHEAST FROM THE GULF STATES TOP THE
SOUTHERN APPALACHIANS. A BACK DOOR COLD FRONT WILL SETTLE SOUTH INTO
OUR AREA ON TUESDAY...WITH A BLOCKY UPPER PATTERN OVER CANADA
FAVORING SURFACE RIDGING DOWN THE EAST COAST. THE PRESSURE GRADIENT
BETWEEN THE SURFACE RIDGE AND FAY WILL IMPROVE UPSLOPE FLOW INTO THE
SOUTHERN APPALACHIANS...ENHANCING PRECIPITATION ASSOCIATED WITH
FAY...AND ADDING ATLANTIC INFLOW TO BOOT. GUIDANCE POPS ARE QUITE
HIGH...AND LIKELY POPS WILL BE MAINTAINED FOR AROUND 36 HOURS. HPC
QPF WILL BE USED...PLACING SEVERAL INCHES OF RAIN IN THE BEST
UPSLOPE AREAS. ALTHOUGH INSTABILITY IS LIMITED...ISOLATED ELEVATED
CONVECTION WILL BE POSSIBLE. MAXIMUM TEMPERATURES WILL BE WELL BELOW
NORMAL IN LIMITED INSOLATION UNDER EXTENSIVE CLOUDS AND
PRECIPITATION...WHILE MINIMUM TEMPERATURES WILL BE HELD UP BY
ELEVATED DEW POINTS AND CLOUD COVER.

&&

.LONG TERM /THURSDAY THROUGH SUNDAY/...
AT 1 AM EDT...THE LATEST GFS AND ECMWF ARE RATHER SIMILAR IN THEIR
UPPER LEVEL PATTERNS...BUT LATE IN THE CYCLE THE GFS BECOMES FASTER
AND FARTHER NORTH WITH UPPER FEATURES. ON THU A REX BLOCK EXISTS
NEAR THE CANADIAN MARITIMES. THIS BLOCKED UPPER PATTER PERSISTS INTO
SAT...THEN WEAKENS ON SUN...WHEN A CLOSED UPPER LOW RESIDES IN
QUEBEC.

THE HPC SURFACE SOLUTION STARTS OUT THU WITH A STATIONARY FRONT OVER
OUR AREA...WHILE THE REMAINS OF FAY ARE IN NORTHERN MS. THE FRONT
REMAINS IN OUR AREA FRI...WHILE A COLD FRONT MOVES INTO THE GREAT
LAKES AND MID MS RIVER VALLEY. THIS COLD FRONT REACHES THE TN VALLEY
ON SAT...STALLING THERE SUN.

GIVEN THE COMPLEX UPPER PATTERN...AND THE FACT THAT THE GFS IS
FASTER TO LIFT OUR THE REMAINS OF FAY THAN THE HPC SOLUTION OR THE
HPC PREFERRED ECMWF...FEW CHANGES WILL BE MADE TO THE PREVIOUS
MEDIUM RANGE FORECAST AT THIS TIME. TEMPERATURES WILL WARM TO NEAR
NORMAL IN THE WAKE OF FAY. SCATTERED CONVECTION WILL BE POSSIBLE
WITH BOUNDARIES IN THE VICINITY...AND A WARM AND MOIST AIR MASS OVER
THE AREA.

&&

.AVIATION /12Z MONDAY THROUGH FRIDAY/...
COMPLEX FORECAST AS REMNANTS OF FAY APPROACH AREA FROM THE SW AND A
COLD FRONT APPROACHES FROM THE NW. AT LEAST OCNL MVFR CIGS PSBL THIS
MRNG WITH LOWEST CONDITIONS VCNTY SHWRS ACROSS W CWA WHERE MOISTURE
IS DEEPER. COULD SEE OCNL MVFR VSBY AS WELL. THERE IS A CHANCE OF
TSTMS...MAINLY THIS AFTN AT TAF SITES SO INCLUDED CB CLOUDS MID-LATE
AFTN INTO THIS EVE. MVFR CIG/VSBY WILL REDEVELOP THIS EVE WITH
CHANCE OF SHWRS INCREASING.

OUTLOOK...MOST ACTIVITY WILL BE ASSOCIATED WITH REMNANTS OF FAY.
EXPECT PERIODS OF MOD TO HEAVY RAIN AND CHANCE OF LOW CIG/VSBY INTO
THU...THEN DIURNAL CONVECTION FOR THE END OF THE WEEK.

&&

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

&&

SYNOPSIS...JAT
NEAR TERM...RB
SHORT TERM...JAT
LONG TERM...JAT
AVIATION...MCAVOY/RB
Hazardous weather outlook, Aug 25, 4:37 AM EST, 2 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
537 AM EDT MON AUG 25 2008

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-261000-
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 NC-
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-
537 AM EDT MON AUG 25 2008

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 AFFECT THE WESTERN
CAROLINAS AND NORTHEAST GEORGIA TODAY. THE MAIN THREAT WITH ANY
THUNDERSTORM WILL BE OCCASIONAL CLOUD TO GROUND LIGHTNING...
HOWEVER LOCALLY HEAVY RAINFALL WILL ALSO BE POSSIBLE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THE REMNANTS OF TROPICAL DEPRESSION FAY WILL MOVE NORTHEAST TOWARD
THE SOUTHERN APPALACHIANS TODAY AND TONIGHT...WHILE PRECIPITATION OVER
THE WESTERN CAROLINAS AND NORTHEAST GEORGIA INCREASES IN COVERAGE
AND INTENSITY. HEAVY RAINFALL IS EXPECTED TUESDAY AND TUESDAY
NIGHT...WITH DECREASING RAINFALL AMOUNTS ON WEDNESDAY. BY WEDNESDAY
MORNING...TOTAL RAINFALL AMOUNTS COULD REACH MORE THAN 8 INCHES
OVER THE SOUTHERN MOUNTAINS OF WESTERN NORTH CAROLINA...WITH UP TO
5 INCHES NEAR THE BLUE RIDGE...UP TO 3 INCHES NEAR INTERSTATE
85...AND UP TO 2 INCHES SOUTH AND EAST OF INTERSTATE 85. EVEN WITH
THE DROUGHT AND RECORD LOW STREAM LEVELS...RAINFALL OF THESE
AMOUNTS IN THIS PERIOD OF TIME COULD LEAD TO FLOODING. THERE IS
STILL SOME UNCERTAINTY AS TO HOW MUCH RAIN WILL FALL OVER SPECIFIC
AREAS. IF CONFIDENCE IN EXCESSIVE RAINFALL INCREASES FURTHER...A
FLOOD WATCH MAY BE ISSUED LATER TODAY. PERSONS ACROSS THE WESTERN
CAROLINAS AND NORTHEAST GEORGIA SHOULD KEEP ABREAST OF THE LATEST
FORECASTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

07

The radar

The Greer radar (KGSP), 117 km away, was scanning. The volume nearest the first event began at 12:32 UTC.

Open the radar archive at this moment

Event by event

3 flash flood. Local standard time, as filed.

Flash Flood, Habersham

When
August 25, 7:30 AM EST to 9:30 AM EST
Where
Habersham County, 4.16 mi WNW of Turnerville to 0.75 mi WNW of Harvest
Cause
Heavy Rain
Reported by
County Official
Coordinates
34.706, -83.486

Heavy rain developed well ahead of the remnants of Tropical Storm Fay, resulting in flash flooding over the north-central part of the county.

Flash Flood, Habersham

When
August 26, 5:00 PM EST to 7:00 PM EST
Where
Habersham County, 1.5 mi SSW of Habersham to 1.89 mi S of Cornelia
Cause
Heavy Rain / Tropical System
Reported by
County Official
Coordinates
34.580, -83.579

Flash flooding was reported from Demorest to Mt. Airy.

Flash Flood, Rabun

When
August 26, 5:00 PM EST to 6:00 PM EST
Where
Rabun County, 3.77 mi NW of Persimmon to 1.97 mi WSW of Lakemont
Cause
Heavy Rain / Tropical System
Reported by
County Official
Coordinates
34.932, -83.554

Stream flooding forced closure of Bear Gap Rd about 5 miles southwest of Lakemont and Cat Gap Rd about 8 miles west northwest of Clayton.

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

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

The same day elsewhere

More

Every storm in Georgia in 2008Every state in 2008This day in weather historyWarnings in Georgia, August 2008

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: 133539, 133543, 133553.