Alert archive / Georgia / Flash Flood Warnings in 1994

Flash Flood Warning 18, NWS Atlanta, GA

July 27, 1994Jones County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jul 27, 1994, 4:59 PM EDT for Jones County, Georgia. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jul 27, 1994, 4:59 PM EDT (20:59 UTC)
Expired
Jul 27, 1994, 7:00 PM EDT
In force
2 hr
Issued by
NWS Atlanta, GA
Area
Whole counties

County Jones County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 9.0 hours before the alert went out and 106 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, Athens Municipal, GA at 12:00Z on 1994-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 646 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, Athens Municipal, GA at 12:00Z on 1994-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
646 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
562 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCN 272059
FFWMCN
GAC169-207-272300-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MACON GA
459 PM EDT WED JUL 27 1994
 
THE NATIONAL WEATHER SERVICE IN MACON GA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  700 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL GEORGIA
 
   ...JONES COUNTY...MONROE COUNTY
 
AT 455 PM EDT NATIONAL WEATHER SERVICE RADARS LOCATED STRONG
THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER MONROE AND JONES
COUNTIES...NEAR FORSYTH AND GRAY...MOVING NORTHEAST AT 30 MPH.
 
FLOODING IS LIKELY IN AREAS POORLY DRAINED AND ALONG ROADWAYS
AND WHERE SMALL STREAMS FLOW NEARBY.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THNE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 3:56 PM EDTSevere Thunderstorm WarningFFCBibb, Houston, Peach64 min
Jul 27, 4:59 PM EDTFlash Flood WarningFFCMonroe46 min

Nearby

Flash Flood Warnings in Georgia, 1994Every flash flood warning in 1994

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.