Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 476, NWS Atlanta, GA

September 10, 1997Douglas County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Sep 10, 1997, 7:49 PM EDT for Douglas County, Georgia. It was in force for 26 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 10, 1997, 7:49 PM EDT (23:49 UTC)
Expired
Sep 10, 1997, 8:15 PM EDT
In force
26 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Douglas County, GA

The radar

The Atlanta radar (KFFC), 42 km from the middle of the area, began a volume at 23:48 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.

What was reported inside it

TimeReportWhereRemark
Sep 10, 7:50 PM EDTHail 1Lithia Spgs, GA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.8 hours before the alert went out and 44 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 1997-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 554 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 1997-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
554 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
874 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
14 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KATL 102352 RRA
SVRATL
GAC097-110015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
749 PM EDT WED SEP 10 1997
 
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST GEORGIA
 
   ...SOUTHERN DOUGLAS COUNTY
 
AT 745 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED TWO SEVERE
THUNDERSTORMS OVER CENTRAL DOUGLAS COUNTY. THE STORMS WERE MOVING
SOUTHEAST AT 5 MPH. HAIL THE SIZE OF QUARTERS WAS REPORTED 5 MILES SOUTH
OF DOUGLASVILLE AT 740 PM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
IF YOU EXPERIENCE STORM DAMAGE TO STRUCTURES OR TREES...OR HAIL THE
SIZE OF DIMES OR LARGER...PLEASE REPORT IT TO THE NATIONAL WEATHER
SERVICE BY CALLING 770-486-8535.
 
WRS
 
&

What forecasters said that day

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

In the hours before

Local storm report, Sep 10, 7:40 PM EDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
740 PM EDT WED SEP 10 1997

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

425 PM     ADAIRSVILLE               GA   0.75 INCH HAIL
9/10/97    BARTOW                         DIME SIZE HAIL

410 PM     5 S ADAIRSVILLE           GA   0.75 INCH HAIL
9/10/97    BARTOW                         DIME SIZE HAIL

455 PM     ADAIRSVILLE               GA   0.75 INCH HAIL
9/10/97    BARTOW                         DIME SIZE HAIL

450 PM     LA GRANGE                 GA   0.75 INCH HAIL
9/10/97    TROUP                          DIME SIZE HAIL
500 PM     NEAR CALLAWAY GARDENS     GA   1.00 INCH HAIL
9/10/97    TROUP                          QUARTER SIZE HAIL

500 PM     EUHARLEE                  GA   1.00 INCH HAIL
9/10/97    BARTOW                         QUARTER SIZE HAIL

510 PM     CARTERSVILLE              GA   0.75 INCH HAIL
9/10/97    BARTOW                         DIME SIZE HAIL

510 PM     POWERS CROSSROADS         GA   0.75 INCH HAIL
9/10/97    COWETA                         DIME TO QUARTER SIZED HAIL

520 PM     MABLETON                  GA   0.75 INCH HAIL
9/10/97    COBB                           DIME TO NICKEL SIZE HAIL

535 PM     EMERSON                   GA   1.25 INCH HAIL
9/10/97    BARTOW                         HALF DOLLAR SIZE HAIL

545 PM     KENNESAW                  GA   1.00 INCH HAIL
9/10/97    COBB                           QUARTER SIZE HAIL

545 PM     ACWORTH                   GA   0.75 INCH HAIL
9/10/97    COBB                           DIME SIZE HAIL

547 PM     AUSTELL                   GA   1.00 INCH HAIL
9/10/97    COBB                           QUARTER SIZE HAIL

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 3:26 PM EDTSevere Thunderstorm WarningFFCLaurens34 min
Sep 10, 4:09 PM EDTSevere Thunderstorm WarningFFCBartow36 min
Sep 10, 4:26 PM EDTSevere Thunderstorm WarningFFCTroup34 min
Sep 10, 4:57 PM EDTSevere Thunderstorm WarningFFCHarris, Troup48 min
Sep 10, 5:02 PM EDTSevere Thunderstorm WarningFFCBartow28 min
Sep 10, 5:13 PM EDTSevere Thunderstorm WarningFFCCoweta, Fulton47 min
Sep 10, 5:18 PM EDTSevere Thunderstorm WarningFFCUpson27 min
Sep 10, 5:25 PM EDTSevere Thunderstorm WarningFFCBartow, Cobb, Paulding50 min
Sep 10, 5:34 PM EDTSevere Thunderstorm WarningFFCMeriwether26 min
Sep 10, 5:43 PM EDTSevere Thunderstorm WarningFFCUpson32 min
Sep 10, 5:56 PM EDTSevere Thunderstorm WarningFFCCherokee34 min
Sep 10, 6:02 PM EDTSevere Thunderstorm WarningFFCDeKalb, Fulton, Gwinnett43 min
Sep 10, 6:05 PM EDTSevere Thunderstorm WarningFFCJackson25 min
Sep 10, 6:17 PM EDTSevere Thunderstorm WarningFFCCobb28 min
Sep 10, 6:29 PM EDTSevere Thunderstorm WarningFFCForsyth46 min
Sep 10, 6:32 PM EDTSevere Thunderstorm WarningFFCTaylor28 min
Sep 10, 6:36 PM EDTSevere Thunderstorm WarningFFCChattooga, Floyd39 min
Sep 10, 6:43 PM EDTSevere Thunderstorm WarningFFCCrawford32 min
Sep 10, 6:47 PM EDTSevere Thunderstorm WarningFFCJackson, Madison43 min
Sep 10, 6:49 PM EDTSevere Thunderstorm WarningFFCPaulding26 min
Sep 10, 7:06 PM EDTSevere Thunderstorm WarningFFCBarrow39 min
Sep 10, 7:20 PM EDTSevere Thunderstorm WarningFFCDouglas25 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1997Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.