Alert archive / Georgia / Flash Flood Warnings in 2003

Flash Flood Warning 78, NWS Atlanta, GA

June 18, 2003Carroll County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jun 18, 2003, 12:07 PM EDT for Carroll County, Georgia. It was in force for 113 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
Jun 18, 2003, 12:07 PM EDT (16:07 UTC)
Expired
Jun 18, 2003, 2:00 PM EDT
In force
113 min
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

County Carroll County, GA

The radar

The Atlanta radar (KFFC), 43 km from the middle of the area, began a volume at 16:10 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, 4.1 hours before the alert went out and 48 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 2003-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 755 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2003-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.1939Sfc1 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
755 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
521 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
103 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 181612
FFWATL
GAC045-181800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1207 PM EDT WED JUN 18 2003

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN CARROLL COUNTY IN NORTHWEST GEORGIA

* UNTIL 200 PM EDT

* AT 1204 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED AN 
EARTHEN DAM BREAK ON LAKE DAKOTA EAST NEAR WHITESBURG. RESIDENTS IN 
THE AREA SHOULD BE PREPARED FOR RAPIDLY RISING WATER ON SNAKE CREEK
DOWNSTREAM FROM THIS LOCATION. 

LAT...LON 3357 8507 3343 8502 3346 8493 3354 8485

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 9:24 PM EDTFlash Flood WarningFFCCoweta2 hr
Jun 18, 12:15 AM EDTFlash Flood WarningFFCTroup2 hr
Jun 18, 6:51 AM EDTFlash Flood WarningFFCCoweta, Heard, Troup3 hr

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.