Alert archive / Georgia / Flash Flood Warnings in 1997

Flash Flood Warning 23, NWS Atlanta, GA

July 24, 1997Hancock County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jul 24, 1997, 4:41 AM EDT for Hancock County, Georgia. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 24, 1997, 4:41 AM EDT (08:41 UTC)
Expired: Jul 24, 1997, 7:45 AM EDT
In force: 3 hr
Issued by: NWS Atlanta, GA
Area: Whole counties

County Hancock County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 8.7 hours before the alert went out and 140 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3286 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 873 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 69 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 
TTAA00 KATL 240840
FFWATL
GAC141-133-211-237-241145-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
441 AM EDT THU JUL 24 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  745 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL GEORGIA
 
   ...HANCOCK COUNTY
 
IN NORTHEAST GEORGIA
 
   ...SOUTHERN GREENE COUNTY...MORGAN COUNTY
   ...NORTHERN PUTNAM COUNTY
 
AT 430 PM WEATHER RADAR CONTINUED TO INDICATE THUNDERSTORMS IN A LINE
EXTENDING FROM MADISON OT SPARTA CONTINUING TO MOVE REPEATEDLY OVER THE
SAME AREA. RAINFALL TOTALS OVER THE AREA ARE ESTIMATED TO BE AROUND SIX
INCHES OR MORE WITH ANOTHER 2 TO 3 INCHES POSSIBLE THIS MORNING. PUBLIC
OFFICLAS IN THESE COUNTIES HAVE REPORTED WATER OVER SOME ROADS.
 
THUNDERSTORMS ARE EXPECTED TO CONTINUE TO MOVE OVER THIS SAME AREA UNTIL
AROUND SUNRISE AND THEN BEING TO DIMINISH AND MOVE EAST.
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  WATER DEPTHS OF ONLY ONE TO TWO FEET WILL CAUSE MOST
AUTOMOBILES TO BECOME STRANDED OR FLOAT AWAY. IF THE WATER IS MOVING
...THE ROAD BED MAY BE ERODED. VEHICLES CAUGHT IN RISING WATER
SHOULD BE ABANDONED QUICKLY.
 
IF RAPIDLY RISING WATER THREATENS HOMES OR BUSINESSES IN YOUR AREA
....OR IF YOU SEE ROADS OR BRIDGES BEING COVERED WITH WATER FROM
RISING CREEKS OR STREAMS...PLEASE CALL THE NATIONAL WEATHER SERVICE
AT 770-486-8535.
 
 
 
&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 11:46 PM EDT	Severe Thunderstorm Warning	FFC	Warren	29 min
Jul 24, 12:17 AM EDT	Flash Flood Warning	FFC	Warren	118 min
Jul 24, 12:31 AM EDT	Severe Thunderstorm Warning	FFC	Glascock, Jefferson	29 min
Jul 24, 1:40 AM EDT	Flash Flood Warning	FFC	Glascock, Jefferson	2 hr
Jul 24, 2:07 AM EDT	Flash Flood Warning	FFC	Hancock	68 min
Jul 24, 4:41 AM EDT	Flash Flood Warning	FFC	Greene, Morgan, Putnam	3 hr
Jul 24, 2:32 PM EDT	Severe Thunderstorm Warning	FFC	Putnam	33 min

Nearby

Flash Flood Warnings in Georgia, 1997 Every flash flood warning in 1997

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.