Alert archive / Georgia / Flash Flood Warnings in 2003

Flash Flood Warning 48, NWS Atlanta, GA

May 7, 2003Coweta County, Heard County, Georgia

NWS Atlanta, GA issued this flash flood warning at May 7, 2003, 7:14 PM EDT for Coweta County, Heard County, Georgia. It was in force for 4 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, 7:14 PM EDT (23:14 UTC)
Expired
May 7, 2003, 11:15 PM EDT
In force
4 hr
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

Counties Coweta County, GA, Heard County, GA

The radar

The Atlanta radar (KFFC), 40 km from the middle of the area, began a volume at 23:15 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, 11.2 hours before the alert went out and 46 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 072315
FFWATL
GAC077-149-080315-

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COWETA COUNTY IN WEST CENTRAL GEORGIA
  HEARD COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 1115 PM EDT

* AT 710 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN 6 MILES WEST OF NEWNAN...MOVING NORTHEAST AT 20
  MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE EAST NEWNAN AND FRANKLIN

RAINFALL AMOUNTS OF OVER 2 INCHES ARE EXPECTED WITH THESE 
THUNDERSTORMS.

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.

DURING FLASH FLOODING...WATER LEVELS IN AREA STREAMS AND RIVERS CAN 
RAPIDLY INCREASE...TRANSFORMING THEM INTO RAGING CURRENTS. NEVER 
ATTEMPT TO CROSS FLOOD WATERS BY VEHICLE OR FOOT. 

YOU CAN REPORT SERIOUS FLOODING TO THE NATIONAL WEATHER SERVICE BY
CALLING 7 7 0 4 8 6 1 1 3 3 AT EXTENSION 2 0 4.


LAT...LON 3340 8528 3320 8521 3333 8459 3351 8463

$$

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, 8:08 AM EDTFlash Flood WarningFFCFannin, Towns, Union3 hr
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, 7:25 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.