Alert archive / Georgia / Flash Flood Warnings in 2004

Flash Flood Warning 4, NWS Tallahassee, FL

August 11, 2004Randolph County, Georgia

NWS Tallahassee, FL issued this flash flood warning at Aug 11, 2004, 5:43 PM EDT for Randolph County, Georgia. It was in force for 92 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
Aug 11, 2004, 5:43 PM EDT (21:43 UTC)
Expired
Aug 11, 2004, 7:15 PM EDT
In force
92 min
Issued by
NWS Tallahassee, FL
Area
Counties, with a storm outline in the text

County Randolph County, GA

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.7 hours before the alert went out and 159 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, Tallahassee Rgnl, FL at 12:00Z on 2004-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1219 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, Tallahassee Rgnl, FL at 12:00Z on 2004-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
1219 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
582 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KTAE 112146
FFWTLH
GAC243-112315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
543 PM EDT WED AUG 11 2004

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  RANDOLPH COUNTY IN SOUTHWEST GEORGIA
  THIS INCLUDES CUTHBERT

* UNTIL 715 PM EDT

* AT 539 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS PRODUCING TORRENTIAL RAIN OVER RANDOLPH COUNTY.      
  RADAR RAINFALL ESTIMATES OF 3 TO 5 INCHES IN TWO HOURS 
  HAVE FALLEN IN THE WARNED AREA. EXCESSIVE RUNOFF FROM THIS STORM   
  WILL CAUSE RAPID FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS   
  AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG  
  THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE      
  SUBJECT TO FLOODING.

* DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
  ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
  CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED
  QUICKLY. IT ONLY TAKES A FOOT OR TWO OF FLOWING WATER TO SWEEP MOST
  CARS AWAY. REMEMBER...MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.

* DO NOT DRIVE THROUGH FLOWING WATER. NEARLY HALF OF ALL FLOOD
  FATALITIES ARE VEHICLE RELATED.

LAT...LON 3181 8487 3165 8482 3172 8459 3188 8462

$$

8-JAMSKI

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 11, 7:29 PM EDTFlash Flood WarningTAECalhoun, Randolph2 hr

Nearby

Flash Flood Warnings in Georgia, 2004Every flash flood warning in 2004

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.