Alert archive / Georgia / Flash Flood Warnings in 1996

Flash Flood Warning 42, NWS Atlanta, GA

August 11, 1996Bartow County, Floyd County, Polk County, Georgia

NWS Atlanta, GA issued this flash flood warning at Aug 11, 1996, 7:09 PM EDT for Bartow County, Floyd County, Polk 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
Aug 11, 1996, 7:09 PM EDT (23:09 UTC)
Expired
Aug 11, 1996, 10:15 PM EDT
In force
3 hr
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Bartow County, GA, Floyd County, GA, Polk County, GA

The radar

The Atlanta radar (KFFC), 101 km from the middle of the area, began a volume at 23:08 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, 11.2 hours before the alert went out and 104 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 1996-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 781 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 1996-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
781 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
740 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
57 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 112310
FFWATL
GAC015-115-233-120215-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
709 PM EDT SUN AUG 11 1996
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1015 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST GEORGIA
 
   ...BARTOW COUNTY...FLOYD COUNTY...POLK COUNTY
 
...HEAVY RAINS MOVE ACROSS FLOYD...BARTOW...AND INTO POLK COUNTIES...
 
AT 700 PM WEATHER RADAR INDICATED THAT SHOWERS AND THUNDERSTORMS
CONTINUE TO MOVE ACROSS FLOYD AND BARTOW COUNTIES AND ARE BEGINING TO
MOVE INTO POLK COUNTY. THESE STOMRS ARE PRODUCING RAINFALL RATES OF ONE
TO TWO INCHES AN HOUR AND HAVE PRODUCED STORM TOTALS OF TWO TO THREE INC
SFLOYD AND WESTERN BARTOW COUNTY. THIS RAINFALL HAS RESULTED IN SOME
LOCALIZED FLOODING OF LOW LYING AREAS AND ROADS IN FLOYD COUNTY.
 
STORMS ARE EXPECTED TO CONTINUE TO MOVE OVER THESE COUNTIES THROUGH 1000
PM. THIS WILL RESULT IN ADDITIONAL RAINFALL THAT MAY PRODUCE FLASH
FLOODING OF ALREADY RAIN SOAKED GROUND.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A
SMALL ONE...ON FOOT.
 
 
 
&

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Aug 11, 4:45 PM EDT, 2 hours 24 minutes before
GAZ019-112230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
430 PM EDT SUN AUG 11 1996

...HEAVY RAIN ACROSS FLOYD COUNTY...

WEATHER SERVICE RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS
MOVING SLOWLY NORTH NORTHEAST ACROSS FLOYD COUNTY. THE STRONGEST
STORMS ARE PRODUCING RAINFALL RATES OF UP TWO INCHES AND HOUR OR MORE.
THIS HAS RESULTED IN STORM TOTALS OF OVER THREE INCHES WHICH HAS
CAUSED SOME MINOR FLOODING OF STREETS...SMALL CREEKS AND LOW LYING
AREAS. THESE STORMS WILL ALSO ACCOMPANIED BY FREQUENT CLOUD TO GROUND
LIGHTNING.

OTHER STORMS ARE EXPECTED TO MORE ACROSS THE COUNTY THROUGH 630 PM.
RESIDENTS OF FLOYD COUNTY ARE URGED NOT TO DRIVE INTO4 WATER COVERED
ROADS. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR UPDATES ON
THIS SITUATION.
Special weather statement, Aug 11, 6:06 PM EDT, 1 hour 3 minutes before
GAZ012-019-020-120005-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
604 PM EDT SUN AUG 11 1996

...HEAVY RAIN CONTINUING ACROSS FLOYD COUNTY AND MOVING INTO GORDON AND
BARTOW COUNITES...

WEATHER RADAR INDICATES THUNDERSTORMS WITH HEAVY RAIN WILL
CONTINUE TO MOVE INTO FLOYD COUNTY FROM ALABAMA. THESE STORMS WILL
PRODUCE RAINFALL RATES OF AN INCH AN HOUR OR MORE. THIS RAIN WILL
BE ON TOP OF ALREADY RAIN SOAKED AREAS AND MAY CAUSE REFLOODING OF
SMALL STREAMS...LOW LYING AREAS AND SOME ROADS.

THUNDERSTORMS WERE MOVING INTO GORDON AND BARTOW COUNTIES FROM
FLOYD COUNTY. THESE STORMS WERE PRODUCING RAINFALL RATES OF ONE TO TWO
INCHES AN HOUR. THIS MAY CAUSE FLOODING OF SMALL STREAMS...LOW LYING
AREAS AND ROADS.

RESIDENTS OF THESE COUNTIES ARE URGED TO REMAIN ALERT FOR THE
POSSIBILITY OF LOCALIZED FLOODING AND NOT TO DRIVE INTO WATER COVERED
ROADS.

THESE STORMS MAY ALSO ACCOMPANIED BY FREQUENT CLOUD TO GROUND
LIGHTNING.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 7:24 PM EDTSevere Thunderstorm WarningFFCBartow, Paulding36 min

Nearby

Flash Flood Warnings in Georgia, 1996Every flash flood warning in 1996

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.