Alert archive / Georgia / Flash Flood Warnings in 2003

Flash Flood Warning 45, NWS Atlanta, GA

May 7, 20035 counties in Georgia

NWS Atlanta, GA issued this flash flood warning at May 7, 2003, 2:48 AM EDT for 5 counties in Georgia. It was in force for 117 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
May 7, 2003, 2:48 AM EDT (06:48 UTC)
Expired
May 7, 2003, 4:45 AM EDT
In force
117 min
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

Counties Fannin County, GA, Gilmer County, GA, Gordon County, GA, Murray County, GA, Pickens County, GA

The radar

The Northeast Alabama radar (KHTX), 140 km from the middle of the area, began a volume at 06:51 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 00:00Z, 6.8 hours before the alert went out and 155 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 2003-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 876 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 00:00Z on 2003-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
876 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
742 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.1

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KFFC 070648
FFWATL
GAC111-123-129-213-227-070845-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
248 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
  GILMER COUNTY IN NORTH CENTRAL GEORGIA
  PICKENS COUNTY IN NORTH CENTRAL GEORGIA
  GORDON COUNTY IN NORTHWEST GEORGIA
  MURRAY COUNTY IN NORTHWEST GEORGIA

* UNTIL 445 AM EDT

* AT 240 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN ALONG A LINE EXTENDING FROM 23 MILES NORTHWEST OF
  ELLIJAY TO 23 MILES WEST OF ELLIJAY...MOVING NORTHEAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BLUE RIDGE AND JASPER

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS
AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO
TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN.

LAT...LON 3498 8472 3445 8479 3444 8440 3497 8420

$$

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, 2:56 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, 7:14 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.