Alert archive / Georgia / Flash Flood Warnings in 2005

Flash Flood Warning 47, NWS Atlanta, GA

August 29, 2005Dawson County, Lumpkin County, Georgia

NWS Atlanta, GA issued this flash flood warning at Aug 29, 2005, 7:13 PM EDT for Dawson County, Lumpkin 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 29, 2005, 7:13 PM EDT (23:13 UTC)
Expired
Aug 30, 2005, 1:15 AM EDT
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

Counties Dawson County, GA, Lumpkin County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.2 hours before the alert went out and 127 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 2005-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 310 joules per kilogram.LCLLFCEL10008507005003002001001 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 2005-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 square meters per square second.1939Sfc1 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
310 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
688 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KFFC 292317
FFWFFC
GAC085-187-300515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
713 PM EDT MON AUG 29 2005

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DAWSON COUNTY IN NORTH CENTRAL GEORGIA
  LUMPKIN COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 115 AM EDT

* AT 712 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  NUMEROUS THUNDERSTORMS WITH VERY HEAVY RAIN PASSING OVER THE SAME  
  AREA IN DAWSON AND LUMPKIN COUNTIES. THE THUNDERSTORMS WERE MOVING
  NORTH AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  DOUGHERTY AND AURARIA.

* THIS INCLUDES BUT IS NOT LIMITED TO THE UPPER HEADWATERS OF THE
  ETOWAH RIVER AND HURRICANE CREEK IN LUMPKIN COUNTY.  ALSO PALMER
  CREEK AND MILL CREEK IN DAWSON COUNTY. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE 
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS 
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

LAT...LON 3436 8420 3438 8398 3466 8400 3459 8425

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

$$

KDF
1 follow-up statement
000 
WGUS72 KFFC 300118
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
915 PM EDT MON AUG 29 2005

GAC085-187-300515-
DAWSON-LUMPKIN-
915 PM EDT MON AUG 29 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 115 AM EDT FOR WESTERN
LUMPKIN AND EASTERN DAWSON COUNTIES...

AT 910 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE AN AREA OF THUNDERSTORMS WITH HEAVY RAIN IN GWINNETT COUNTY
MOVING RAPIDLY NORTH AT 40 MPH. RAINFALL AMOUNTS OF 2 TO 3 INCHES 
HAS ALREADY OCCURRED BETWEEN DAWSONVILLE AND DAHLONEGA.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MCKEE
AND AURARIA.

ADDITIONAL RAINFALL AMOUNTS UP TO ONE INCH ARE POSSIBLE IN THE 
WARNED AREA BETWEEN 10 AND 11 PM.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3436 8420 3438 8398 3466 8400 3459 8425

$$

KDF

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 4:23 PM EDTTornado WarningFFCCarroll37 min
Aug 29, 4:27 PM EDTTornado WarningFFCHarris18 min
Aug 29, 4:35 PM EDTSevere Thunderstorm WarningFFCLaurens40 min
Aug 29, 4:40 PM EDTTornado WarningFFCGwinnett, Rockdale35 min
Aug 29, 4:49 PM EDTTornado WarningFFCHaralson41 min
Aug 29, 5:09 PM EDTTornado WarningFFCJasper36 min
Aug 29, 5:09 PM EDTTornado WarningFFCJasper36 min
Aug 29, 5:13 PM EDTTornado WarningFFCForsyth, Gwinnett38 min
Aug 29, 5:18 PM EDTTornado WarningFFCMorgan27 min
Aug 29, 5:30 PM EDTTornado WarningFFCPolk30 min
Aug 29, 5:30 PM EDTTornado WarningFFCPolk30 min
Aug 29, 5:36 PM EDTTornado WarningFFCFloyd39 min
Aug 29, 5:42 PM EDTTornado WarningFFCGordon18 min
Aug 29, 5:44 PM EDTTornado WarningFFCMorgan31 min
Aug 29, 6:02 PM EDTTornado WarningFFCChattooga43 min
Aug 29, 6:15 PM EDTTornado WarningFFCFloyd45 min
Aug 29, 6:17 PM EDTSevere Thunderstorm WarningFFCOconee28 min
Aug 29, 6:20 PM EDTTornado WarningFFCPickens40 min
Aug 29, 6:24 PM EDTTornado WarningFFCDawson36 min
Aug 29, 6:27 PM EDTTornado WarningFFCTaylor18 min
Aug 29, 6:29 PM EDTTornado WarningFFCHenry31 min
Aug 29, 6:36 PM EDTTornado WarningFFCCrawford, Upson24 min
Aug 29, 6:42 PM EDTTornado WarningFFCLumpkin33 min
Aug 29, 6:42 PM EDTTornado WarningFFCJasper33 min
Aug 29, 6:47 PM EDTTornado WarningFFCGilmer28 min
Aug 29, 6:48 PM EDTTornado WarningFFCChattooga27 min
Aug 29, 6:52 PM EDTTornado WarningFFCDeKalb, Rockdale38 min
Aug 29, 6:54 PM EDTTornado WarningFFCBarrow, Jackson36 min
Aug 29, 6:58 PM EDTFlash Flood WarningFFCFulton3 hr
Aug 29, 7:04 PM EDTTornado WarningFFCNewton26 min
Aug 29, 7:08 PM EDTTornado WarningFFCLamar, Upson37 min
Aug 29, 7:09 PM EDTTornado WarningFFCCrawford, Peach36 min
Aug 29, 7:15 PM EDTTornado WarningFFCFannin30 min
Aug 29, 7:19 PM EDTTornado WarningFFCGwinnett26 min
Aug 29, 7:21 PM EDTTornado WarningFFCBanks39 min
Aug 29, 7:24 PM EDTTornado WarningFFCWhite36 min
Aug 29, 7:24 PM EDTTornado WarningFFCWalton36 min
Aug 29, 7:33 PM EDTTornado WarningFFCBibb, Monroe57 min
Aug 29, 7:41 PM EDTTornado WarningFFCFulton34 min
Aug 29, 7:46 PM EDTTornado WarningFFCFannin44 min
Aug 29, 7:49 PM EDTTornado WarningFFCPeach26 min
Aug 29, 7:57 PM EDTTornado WarningFFCBarrow, Walton33 min

Nearby

Flash Flood Warnings in Georgia, 2005Every flash flood warning in 2005

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.