Alert archive / Georgia / Tornado Watches in 1997

Tornado Watch 242

May 3, 199735 counties in Alabama; 50 counties in Georgia

The Storm Prediction Center issued this tornado watch at May 3, 1997, 2:00 AM CDT for 35 counties in Alabama; 50 counties in Georgia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 3, 1997, 2:00 AM CDT (07:00 UTC)
Expired
May 3, 1997, 8:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 85 counties

Autauga County, AL, Bibb County, AL, Blount County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Choctaw County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Cullman County, AL, Dallas County, AL, DeKalb County, AL, Elmore County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lee County, AL, Marengo County, AL, Marshall County, AL, Perry County, AL, Pickens County, AL, Randolph County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL, Banks County, GA, Barrow County, GA, Bartow County, GA, Butts County, GA, Carroll County, GA, Chattooga County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Gwinnett County, GA, Habersham County, GA, Hall County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Jasper County, GA, Jones County, GA, Lamar County, GA, Lumpkin County, GA, Meriwether County, GA, Monroe County, GA, Morgan County, GA, Newton County, GA, Oconee County, GA, Paulding County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Putnam County, GA, Rabun County, GA, Rockdale County, GA, Spalding County, GA, Troup County, GA, Union County, GA, Upson County, GA, Walton County, GA, White County, GA

The radar

The Birmingham radar (KBMX), 64 km from the middle of the area, began a volume at 07:02 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.

Warnings issued inside it

27 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 3, 2:15 AM CDTSevere Thunderstorm WarningFFCCherokee30 min
May 3, 2:29 AM CDTSevere Thunderstorm WarningFFCDawson, Forsyth31 min
May 3, 2:32 AM CDTFlash Flood WarningBMXDeKalb, Jackson, Marshall3 hr
May 3, 3:27 AM CDTSevere Thunderstorm WarningBMXTuscaloosa48 min
May 3, 3:54 AM CDTSevere Thunderstorm WarningBMXGreene36 min
May 3, 3:59 AM CDTSevere Thunderstorm WarningBMXHale31 min
May 3, 4:05 AM CDTSevere Thunderstorm WarningFFCHaralson, Polk40 min
May 3, 4:51 AM CDTSevere Thunderstorm WarningMOBChoctaw69 min
May 3, 5:06 AM CDTSevere Thunderstorm WarningBMXTalladega49 min
May 3, 5:08 AM CDTSevere Thunderstorm WarningFFCCobb, Paulding37 min
May 3, 5:32 AM CDTSevere Thunderstorm WarningFFCDeKalb, Fulton28 min
May 3, 5:37 AM CDTSevere Thunderstorm WarningBMXAutauga, Chilton63 min
May 3, 5:55 AM CDTSevere Thunderstorm WarningFFCDeKalb, Gwinnett35 min
May 3, 6:11 AM CDTSevere Thunderstorm WarningBMXCoosa49 min
May 3, 6:12 AM CDTSevere Thunderstorm WarningFFCClayton, Henry33 min
May 3, 6:12 AM CDTSevere Thunderstorm WarningFFCRockdale33 min
May 3, 6:18 AM CDTSevere Thunderstorm WarningFFCNewton, Walton42 min
May 3, 6:33 AM CDTSevere Thunderstorm WarningBMXElmore, Montgomery47 min
May 3, 6:33 AM CDTSevere Thunderstorm WarningBMXTallapoosa47 min
May 3, 6:46 AM CDTSevere Thunderstorm WarningFFCHenry, Newton, Rockdale44 min
May 3, 7:09 AM CDTSevere Thunderstorm WarningFFCMorgan, Oconee51 min
May 3, 7:17 AM CDTSevere Thunderstorm WarningFFCMeriwether, Pike, Spalding43 min
May 3, 7:24 AM CDTSevere Thunderstorm WarningFFCCoweta, Troup51 min
May 3, 7:36 AM CDTSevere Thunderstorm WarningFFCFayette54 min
May 3, 7:36 AM CDTSevere Thunderstorm WarningFFCMeriwether54 min
May 3, 7:40 AM CDTSevere Thunderstorm WarningBMXLee35 min
May 3, 7:52 AM CDTSevere Thunderstorm WarningFFCNewton53 min

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 7.0 hours before the alert went out and 64 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, Birmingham, AL at 00:00Z on 1997-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1924 joules per kilogram.LCLEL10008507005003002001001 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, Birmingham, AL at 00:00Z on 1997-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 170 square meters per square second.1939587897Sfc1 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
1924 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
894 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
170 m²/s²
0-3 km storm-relative helicity
279 m²/s²
Significant tornado parameter
3.0
Supercell composite
11.1

Open this sounding in Storm Lab

The text

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

875 
WWUS9 KMKC 030626
SEL2  
MKC WW 030626
ALZ000-GAZ000-031300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 242
STORM PREDICTION CENTER NORMAN OK
126 AM CDT SAT MAY 3 1997

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   NORTHERN AND CENTRAL ALABAMA                            
   NORTHERN AND CENTRAL GEORGIA                            

EFFECTIVE THIS SATURDAY MORNING FROM 200 AM UNTIL 800 AM CDT.

TORNADOES...HAIL TO 1 3/4 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS ALONG AND 70 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 40 MILES WEST SOUTHWEST OF TUSCALOOSA ALABAMA
TO ATHENS GEORGIA.

OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO WATCH
NUMBER 239.  WATCH NUMBER 239 WILL NOT BE IN EFFECT AFTER 200 AM
CDT.  CONTINUE...WW 240...WW 241...

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. 
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

DISCUSSION...LOCALLY SEVERE THUNDERSTORMS CONTINUE TO PROPAGATE EWD
ALONG CONVECTIVE BOUNDARY EXTENDING ACROSS NORTHERN PORTIONS OF
ALABAMA AND GEORGIA.  AIR MASS SOUTH OF THE BOUNDARY REMAINS VERY
MOIST WITH SURFACE DEW POINTS OF 65-70F...CONTRIBUTING TO MODERATE
INSTABILITY WITH LIFTED INDEX OF -3 TO -6.  VAD WIND PROFILES
INDICATE STRONG VEERING IN THE LOWEST 1 KM WITH SPEEDS GREATER THAN
50 KT ABOVE THE SURFACE LAYER.  THIS SUGGESTS FAVORABLE KINEMATIC
ENVIRONMENT FOR SEVERE THUNDERSTORMS AND POTENTIAL FOR ISOLATED
TORNADO DEVELOPMENT.  


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 3/4 INCHES.  EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
480.  MEAN STORM MOTION VECTOR 25050.


...WEISS

340,0881 345,0831 325,0831 315,0881

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 2, 8:00 PM CDTTornado WatchSPCAutauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 29 more6 hr
May 3, 12:00 AM CDTTornado WatchSPCLamar, Pickens6 hr
May 3, 6:30 AM CDTSevere Thunderstorm WatchSPCAutauga, Baldwin, Barbour, Bullock, Butler, Chambers and 23 more6 hr
May 3, 7:30 AM CDTSevere Thunderstorm WatchSPCRussell6 hr
May 3, 11:15 AM CDTSevere Thunderstorm WatchSPCAppling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 30 more6 hr
May 3, 1:00 PM CDTSevere Thunderstorm WatchSPCBryan, Bulloch, Candler, Chatham, Effingham, Evans and 5 more4 hr

Nearby

Tornado Watches in Georgia, 1997Tornado Watches in Alabama, 1997Every tornado watch 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; radar from the NEXRAD Level II archive.