Alert archive / Georgia / Flash Flood Warnings in 2003

Flash Flood Warning 46, NWS Atlanta, GA

May 7, 2003Fannin County, Towns County, Union County, Georgia

NWS Atlanta, GA issued this flash flood warning at May 7, 2003, 8:08 AM EDT for Fannin County, Towns County, Union County, Georgia. It was in force for 3 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
May 7, 2003, 8:08 AM EDT (12:08 UTC)
Expired
May 7, 2003, 11:15 AM EDT
In force
3 hr
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

Counties Fannin County, GA, Towns County, GA, Union County, GA

The radar

The Knoxville radar (KMRX), 156 km from the middle of the area, began a volume at 12:09 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 0.1 hours before the alert went out and 173 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 2003-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 913 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2003-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 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
913 J/kg
Mixed-layer CIN
-121 J/kg
Mixed-layer LCL
601 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KFFC 071209
FFWATL
GAC111-281-291-071515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
808 AM EDT WED MAY 7 2003

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FANNIN COUNTY IN NORTH CENTRAL GEORGIA
  UNION COUNTY IN NORTH CENTRAL GEORGIA
  TOWNS COUNTY IN NORTHEAST GEORGIA

* UNTIL 1115 AM EDT

* AT 806 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN 8 MILES SOUTHWEST OF YOUNG HARRIS...OR ABOUT 23    
  MILES NORTH OF DAHLONEGA...MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BLUE RIDGE

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE WITH THESE 
THUNDERSTORMS.

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 SUVS AND PICKUPS. VEHICLES CAUGHT IN RISING WATER SHOULD
BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.

LAT...LON 3497 8452 3470 8421 3484 8367 3498 8366

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 9:21 PM EDTFlash Flood WarningFFCCarroll, Douglas, Haralson, Paulding4 hr
May 6, 10:02 PM EDTFlash Flood WarningFFCBibb, Jones, Monroe4 hr
May 6, 10:27 PM EDTFlash Flood WarningFFCLamar, Meriwether, Pike4 hr
May 7, 2:14 AM EDTSevere Thunderstorm WarningFFCMurray, Walker, Whitfield31 min
May 7, 2:48 AM EDTFlash Flood WarningFFCFannin, Gilmer, Gordon, Murray, Pickens117 min
May 7, 2:56 AM EDTSevere Thunderstorm WarningFFCCherokee, Dawson, Gilmer, Pickens34 min
May 7, 3:04 AM EDTSevere Thunderstorm WarningFFCLumpkin26 min
May 7, 3:38 AM EDTSevere Thunderstorm WarningFFCHall37 min
May 7, 4:22 PM EDTTornado WarningFFCCarroll, Heard38 min
May 7, 4:57 PM EDTTornado WarningFFCCarroll, Heard33 min
May 7, 5:13 PM EDTFlash Flood WarningFFCCarroll3 hr
May 7, 5:51 PM EDTTornado WarningFFCHeard54 min
May 7, 6:14 PM EDTSevere Thunderstorm WarningFFCCarroll, Douglas, Fulton46 min
May 7, 6:20 PM EDTSevere Thunderstorm WarningFFCCarroll, Douglas, Fulton40 min
May 7, 6:24 PM EDTTornado WarningFFCCarroll, Douglas, Fulton51 min
May 7, 6:31 PM EDTTornado WarningFFCCoweta59 min
May 7, 6:35 PM EDTTornado WarningFFCCarroll, Douglas, Fulton40 min
May 7, 6:53 PM EDTTornado WarningFFCCarroll, Heard37 min
May 7, 7:14 PM EDTFlash Flood WarningFFCCoweta, Heard4 hr
May 7, 7:25 PM EDTFlash Flood WarningFFCDouglas, Fulton3 hr
May 7, 7:29 PM EDTTornado WarningFFCCoweta31 min
May 7, 7:34 PM EDTTornado WarningFFCFayette41 min
May 7, 7:56 PM EDTTornado WarningFFCClayton, Henry49 min
May 7, 7:59 PM EDTTornado WarningFFCTroup46 min

Nearby

Flash Flood Warnings in Georgia, 2003Every flash flood warning in 2003

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; radar from the NEXRAD Level II archive.