Alert archive / Georgia / Flash Flood Warnings in 2008

Flash Flood Warning 16, NWS Atlanta, GA

August 26, 2008Lumpkin County, White County, Georgia

NWS Atlanta, GA issued this flash flood warning at Aug 26, 2008, 6:41 PM EDT for Lumpkin County, White County, Georgia. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 26, 2008, 6:41 PM EDT (22:41 UTC)
Expired
Aug 27, 2008, 12:30 AM EDT
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Lumpkin County, GA, White County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.7 hours before the alert went out and 154 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2008-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 825 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2008-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 348 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
825 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
459 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
348 m²/s²
0-3 km storm-relative helicity
373 m²/s²
Significant tornado parameter
1.3
Supercell composite
13.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS52 KFFC 262241
FFWFFC
GAC187-311-270430-
/O.NEW.KFFC.FF.W.0016.080826T2241Z-080827T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
641 PM EDT TUE AUG 26 2008

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN LUMPKIN COUNTY IN NORTH CENTRAL GEORGIA
  WHITE COUNTY IN NORTHEAST GEORGIA

* UNTIL 1230 AM EDT

* AT 630 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR             
  INDICATED 3 TO 5 INCHES OF RAIN HAS FALLEN OVER EASTERN 
  LUMPKIN AND WHITE COUNTIES SINCE THIS MORNING. THE SOILS HAVE
  BECOME COMPLETELY SATURATED WITH EXCESSIVE RUNOFF.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO UNICOI     
  STATE PARK...HELEN...CLEVELAND AND SAUTEE.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA WITHIN THE NEXT HOUR.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS...OR WATERS OF UNKNOWN DEPTH...ON FOOT OR IN
AN AUTOMOBILE.

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3466 8401 3472 8382 3479 8374 3474 8367
      3451 8366 3453 8379 3446 8392

$$
1 follow-up statement
000 
WGUS72 KFFC 270130
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
930 PM EDT TUE AUG 26 2008

GAC187-311-270430-
/O.CON.KFFC.FF.W.0016.000000T0000Z-080827T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LUMPKIN GA-WHITE GA-
930 PM EDT TUE AUG 26 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT FOR
WHITE AND EASTERN LUMPKIN COUNTIES...

AT 924 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
HEAVY RAINFALL HAD PUSHED EAST OF THE WARNED AREA.  

THE CHATTAHOOCHEE RIVER IN HELEN CRESTED EARLIER TODAY AND AS OF 9 
PM WAS AT 3.3 FEET AND FALLING.  FLOOD STAGE IS 6 FEET.

COUNTY OFFICIALS REPORTED BOTTOMS ROAD NEAR HIGHWAY 17 REMAINS 
CLOSED DUE TO WATER OVER THE ROAD. 

FLASH FLOODING OF SMALL STREAMS AND CREEKS ARE IMMINENT. MOST FLOOD 
RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER 
COVERED BRIDGES...DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS 
A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING 
WATER MOVE UP TO HIGHER GROUND.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO UNICOI STATE
PARK AND SAUTEE

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM EDT WEDNESDAY MORNING
FOR EASTERN GEORGIA.

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3466 8401 3472 8382 3479 8374 3474 8367
      3451 8366 3453 8379 3446 8392

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 25, 10:45 PM EDTTornado WarningFFCOglethorpe, Wilkes30 min
Aug 25, 11:08 PM EDTTornado WarningFFCWilkes52 min
Aug 25, 11:56 PM EDTTornado WarningFFCBibb, Houston, Twiggs49 min
Aug 26, 12:01 AM EDTTornado WarningFFCBarrow, Gwinnett, Oconee, Walton44 min
Aug 26, 8:09 AM EDTTornado WarningFFCCobb, DeKalb, Fulton36 min
Aug 26, 9:21 AM EDTFlash Flood WarningFFCCobb4 hr
Aug 26, 9:31 AM EDTTornado WarningFFCTalbot, Taylor, Upson44 min
Aug 26, 9:59 AM EDTTornado WarningFFCLamar22 min
Aug 26, 11:34 AM EDTTornado WarningFFCCrawford, Monroe41 min
Aug 26, 12:04 PM EDTTornado WarningFFCJasper, Jones41 min
Aug 26, 12:28 PM EDTTornado WarningFFCCrisp47 min
Aug 26, 12:40 PM EDTFlash Flood WarningFFCLumpkin, White6 hr
Aug 26, 12:40 PM EDTTornado WarningFFCJasper, Morgan, Putnam50 min
Aug 26, 1:16 PM EDTTornado WarningFFCOconee, Walton29 min
Aug 26, 1:30 PM EDTSevere Thunderstorm WarningFFCClarke, Jackson, Madison30 min
Aug 26, 1:39 PM EDTFlash Flood WarningFFCTowns6 hr
Aug 26, 2:01 PM EDTTornado WarningFFCClarke, Oconee, Oglethorpe29 min
Aug 26, 2:07 PM EDTFlash Flood WarningFFCBanks, Jackson6 hr
Aug 26, 3:16 PM EDTFlash Flood WarningFFCNewton, Rockdale6 hr
Aug 26, 3:28 PM EDTRiver Flood WarningFFCForsyth, Fulton6 hr
Aug 26, 3:49 PM EDTTornado WarningFFCHall, White41 min
Aug 26, 4:08 PM EDTTornado WarningFFCBarrow, Jackson37 min
Aug 26, 4:10 PM EDTTornado WarningFFCDooly, Houston, Macon, Peach50 min
Aug 26, 4:36 PM EDTTornado WarningFFCBanks, Jackson24 min
Aug 26, 4:55 PM EDTTornado WarningFFCGreene, Oglethorpe50 min
Aug 26, 6:02 PM EDTTornado WarningFFCGreene, Oglethorpe, Taliaferro, Wilkes58 min
Aug 26, 6:08 PM EDTTornado WarningFFCBanks, Hall37 min
Aug 26, 6:24 PM EDTTornado WarningFFCBaldwin, Jones38 min
Aug 26, 7:00 PM EDTTornado WarningFFCWilkes15 min
Aug 26, 7:15 PM EDTAreal Flood WarningFFCHall6 hr
Aug 26, 7:31 PM EDTTornado WarningFFCHancock, Taliaferro, Warren44 min

Nearby

Flash Flood Warnings in Georgia, 2008Every flash flood warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.