Alert archive / Georgia / Flash Flood Warnings in 2004

Flash Flood Warning 14, NWS Atlanta, GA

August 17, 2004Jackson County, Georgia

NWS Atlanta, GA issued this flash flood warning at Aug 17, 2004, 11:46 PM EDT for Jackson County, Georgia. It was in force for 119 min. 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 17, 2004, 11:46 PM EDT (03:46 UTC)
Expired
Aug 18, 2004, 1:45 AM EDT
In force
119 min
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

County Jackson County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.8 hours before the alert went out and 120 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 00:00Z on 2004-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1121 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 00:00Z on 2004-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.193958Sfc1 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
1121 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1300 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KFFC 180354
FFWATL
GAC157-180545-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1146 PM EDT TUE AUG 17 2004

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN JACKSON COUNTY IN NORTHEAST GEORGIA

* UNTIL 145 AM EDT

* AT 1140 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR            
  INDICATED VERY HEAVY RAIN ALONG THE HALL COUNTY LINE NEAR TALMO OR 
  NORTHWEST OF PENDERGRASS. THREE TO FOUR INCHES OF RAIN HAS FALLEN
  IN THAT AREA.

RUNOFF FROM THIS HEAVY RAIN WILL LIKELY CAUSE FLOODING ALONG POND 
FORK AND ALLEN CREEK MAINLY NORTH OF HIGHWAY 129... ALONG FORK 
CHURCH ROAD AND LIPSCOMB LAKE ROAD.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. 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.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. TWO FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES...
INCLUDING SPORT UTILITY VEHICLES AND PICKUPS. VEHICLES CAUGHT IN
RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS
BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY. TWO
FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES...INCLUDING SPORT
UTILITY VEHICLES AND PICKUPS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT.

A FLASH FLOOD WARNING MEANS THAT SIGNIFICANT FLOODING OF STREAMS...
CREEKS...AND ROADS IS EXPECTED. THIS MAY CAUSE SOME MODERATE OR MAJOR
INCONVENIENCES TO THE PUBLIC...AND PROPERTY DAMAGE OR THREAT TO LIFE
IS ELEVATED.

YOU CAN REPORT SERIOUS FLASH FLOODING TO THE NATIONAL WEATHER SERVICE
BY CALLING TOLL FREE 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3417 8377 3414 8369 3424 8355 3430 8362

$$
1 follow-up statement
000 
WGUS72 KFFC 180612
FFSATL
GAC157-180630-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
150 AM EDT WED AUG 18 2004

...THE FLASH FLOOD WARNING FOR JACKSON COUNTY HAS BEEN ALLOWED TO 
EXPIRE...

HEAVY RAINFALL HAS MOVED OUT OF THE AREA AND REDEVELOPMENT IS NOT 
EXPECTED AT THIS TIME. THE THREAT FOR FLASH FLOODING ALONG AREA 
CREEKS...STREAMS...OR ROADWAYS HAS DIMINISHED. 

LAT...LON 3428 8347 3410 8330 3405 8363 3420 8377

$$

Nearby

Flash Flood Warnings in Georgia, 2004Every flash flood warning in 2004

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.