Alert archive / Georgia / Flash Flood Warnings in 2003

Flash Flood Warning 60, NWS Atlanta, GA

May 17, 2003Gordon County, Georgia

NWS Atlanta, GA issued this flash flood warning at May 17, 2003, 6:45 PM EDT for Gordon County, Georgia. It was in force for 2 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 17, 2003, 6:45 PM EDT (22:45 UTC)
Expired
May 17, 2003, 8:45 PM EDT
In force
2 hr
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

County Gordon County, GA

The radar

The Northeast Alabama radar (KHTX), 121 km from the middle of the area, began a volume at 22:48 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, 10.8 hours before the alert went out and 130 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 2003-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1351 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 2003-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
1351 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
593 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.5

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KFFC 172301
FFWATL
GAC129-180045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
645 PM EDT SAT MAY 17 2003

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GORDON COUNTY IN NORTHWEST GEORGIA

* UNTIL 845 PM EDT

* AT 643 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  2 TO 3 INCHES OF RAINFALL IN THE PAST HOUR ACROSS THE NORTH        
  CENTRAL PORTION OF GORDON COUNTY...INCLUDING THE CALHOUN           
  AREA. WITH VERY MOIST SOILS FROM PAST WEEKS RAINFALL...            
  EXCESSIVE RUNOFF COULD POSSIBLY BRING STREAMS OUT OF THEIR BANKS.  
  PONDING OF WATER IS ALSO LIKELY IN LOW-LYING AREAS. IN             
  ADDITION...WITH LARGE HAIL REPORTED WITH THIS STORM...DRAINAGE     
  CULVERTS MAY BECOME CLOGGED CAUSING WATER TO FLOW ONTO ROADWAYS.   
  NEVER DRIVE INTO A FLOODED ROADWAY.

LAT...LON 3444 8500 3442 8469 3459 8473 3458 8495

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 2:31 PM EDTSevere Thunderstorm WarningFFCGreene, Putnam29 min
May 17, 2:34 PM EDTSevere Thunderstorm WarningFFCHenry, Newton26 min
May 17, 3:00 PM EDTSevere Thunderstorm WarningFFCGreene, Hancock, Putnam30 min
May 17, 3:02 PM EDTSevere Thunderstorm WarningFFCNewton28 min
May 17, 3:27 PM EDTSevere Thunderstorm WarningFFCBaldwin33 min
May 17, 3:31 PM EDTSevere Thunderstorm WarningFFCHancock29 min
May 17, 3:35 PM EDTSevere Thunderstorm WarningFFCWashington25 min
May 17, 4:01 PM EDTSevere Thunderstorm WarningFFCHancock29 min
May 17, 4:29 PM EDTSevere Thunderstorm WarningFFCHancock31 min
May 17, 4:54 PM EDTSevere Thunderstorm WarningFFCCherokee, Forsyth, Fulton36 min
May 17, 5:01 PM EDTSevere Thunderstorm WarningFFCGlascock, Jefferson, Washington44 min
May 17, 5:08 PM EDTSevere Thunderstorm WarningFFCMurray, Whitfield37 min
May 17, 5:30 PM EDTSevere Thunderstorm WarningFFCForsyth30 min
May 17, 5:44 PM EDTSevere Thunderstorm WarningFFCGordon, Jefferson, Murray, Washington31 min
May 17, 5:58 PM EDTSevere Thunderstorm WarningFFCJohnson32 min
May 17, 6:15 PM EDTSevere Thunderstorm WarningFFCJefferson30 min
May 17, 6:18 PM EDTSevere Thunderstorm WarningFFCGordon27 min
May 17, 6:24 PM EDTSevere Thunderstorm WarningFFCForsyth, Hall36 min
May 17, 6:27 PM EDTSevere Thunderstorm WarningFFCJohnson, Washington33 min
May 17, 6:37 PM EDTSevere Thunderstorm WarningFFCBartow23 min
May 17, 6:47 PM EDTSevere Thunderstorm WarningFFCGordon28 min
May 17, 7:00 PM EDTSevere Thunderstorm WarningFFCBartow30 min
May 17, 7:21 PM EDTFlash Flood WarningFFCBartow114 min
May 17, 7:50 PM EDTSevere Thunderstorm WarningFFCEmanuel25 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.