Alert archive / Georgia / Tornado Watches in 2003

Tornado Watch 287

May 7, 2003Russell County, Alabama; 67 counties in Georgia

The Storm Prediction Center issued this tornado watch at May 7, 2003, 2:30 PM CDT for Russell County, Alabama; 67 counties in Georgia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 7, 2003, 2:30 PM CDT (19:30 UTC)
Expired
May 7, 2003, 8:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 68 counties

Russell County, AL, Baldwin County, GA, Barrow County, GA, Bibb County, GA, Bleckley County, GA, Butts County, GA, Carroll County, GA, Chattahoochee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Crawford County, GA, DeKalb County, GA, Dooly County, GA, Douglas County, GA, Elbert County, GA, Fayette County, GA, Forsyth County, GA, Franklin County, GA, Fulton County, GA, Greene County, GA, Gwinnett County, GA, Hancock County, GA, Haralson County, GA, Harris County, GA, Hart County, GA, Heard County, GA, Henry County, GA, Houston County, GA, Jackson County, GA, Jasper County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Laurens County, GA, Macon County, GA, Madison County, GA, Marion County, GA, Meriwether County, GA, Monroe County, GA, Morgan County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Peach County, GA, Pike County, GA, Polk County, GA, Pulaski County, GA, Putnam County, GA, Rockdale County, GA, Schley County, GA, Spalding County, GA, Stewart County, GA, Talbot County, GA, Taliaferro County, GA, Taylor County, GA, Troup County, GA, Twiggs County, GA, Upson County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Webster County, GA, Wilkes County, GA, Wilkinson County, GA

The radar

The Atlanta radar (KFFC), 29 km from the middle of the area, began a volume at 19:29 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

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

IssuedProductOfficeCountiesLasted
May 7, 3:22 PM CDTTornado WarningFFCCarroll, Heard38 min
May 7, 3:57 PM CDTTornado WarningFFCCarroll, Heard33 min
May 7, 4:13 PM CDTFlash Flood WarningFFCCarroll3 hr
May 7, 4:51 PM CDTTornado WarningFFCHeard54 min
May 7, 5:14 PM CDTSevere Thunderstorm WarningFFCCarroll, Douglas, Fulton46 min
May 7, 5:20 PM CDTSevere Thunderstorm WarningFFCCarroll, Douglas, Fulton40 min
May 7, 5:24 PM CDTTornado WarningFFCCarroll, Douglas, Fulton51 min
May 7, 5:31 PM CDTTornado WarningFFCCoweta59 min
May 7, 5:35 PM CDTTornado WarningFFCCarroll, Douglas, Fulton40 min
May 7, 5:53 PM CDTTornado WarningFFCCarroll, Heard37 min
May 7, 6:14 PM CDTFlash Flood WarningFFCCoweta, Heard4 hr
May 7, 6:25 PM CDTFlash Flood WarningFFCDouglas, Fulton3 hr
May 7, 6:29 PM CDTTornado WarningFFCCoweta31 min
May 7, 6:34 PM CDTTornado WarningFFCFayette41 min
May 7, 6:56 PM CDTTornado WarningFFCClayton, Henry49 min
May 7, 6:59 PM CDTTornado WarningFFCTroup46 min
May 7, 7:10 PM CDTFlash Flood WarningFFCFayette3 hr
May 7, 7:13 PM CDTSevere Thunderstorm WarningFFCCoweta, Fayette32 min
May 7, 7:14 PM CDTSevere Thunderstorm WarningFFCSpalding46 min
May 7, 7:20 PM CDTSevere Thunderstorm WarningFFCMeriwether55 min
May 7, 7:44 PM CDTSevere Thunderstorm WarningFFCHarris, Troup61 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.5 hours before the alert went out and 22 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 2003-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 913 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 2003-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.19395878Sfc1 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
913 J/kg
Mixed-layer CIN
-121 J/kg
Mixed-layer LCL
601 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 071930
SEL7  
SPC WW 071930
GAZ000-080100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 287 
NWS STORM PREDICTION CENTER NORMAN OK 
330 PM EDT WED MAY 7 2003

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

       CENTRAL GEORGIA

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 330 PM UNTIL
900 PM EDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 75 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 15 MILES WEST OF LA GRANGE GEORGIA TO 55
MILES SOUTHEAST OF ATHENS GEORGIA.

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.


OTHER WATCH INFORMATION...CONTINUE...WW 284...WW 285...WW 286...


DISCUSSION...SURFACE BOUNDARY APPEARS TO EXTEND FROM NRN SC EWD TO
NEAR THE ATL AREA INTO NRN AL.	HP SUPERCELL WILL LIKELY PERSIST FOR
SEVERAL MORE HOURS AS IT SHIFTS EWD ALONG STATIONARY SURFACE
BOUNDARY INTO NRN GA.  BHM/S 18Z SOUNDING INDICATED AIR MASS WITHIN
WARM SECTOR IS WEAKLY OR UNCAPPED...YET REMAINS VERY UNSTABLE. 
THUS...ISOLATED SUPERCELLS MAY ALSO INITIATE SOUTH OF THIS FRONT AS
IS NOW OCCURRING INTO CENTRAL AL/SERN MS.  LARGE HAIL...DAMAGING
WINDS AND ISOLATED TORNADOES WILL REMAIN POSSIBLE WITH THESE STORMS
THROUGH THE MID EVENING.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 26035.


...EVANS

340,0851 342,0823 321,0823 315,0851

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 6, 11:32 PM CDTMesoscale DiscussionSPCJackson, Limestone, Madison88 min
May 6, 11:50 PM CDTTornado WatchSPCColbert, Lauderdale, Lawrence, Limestone, Madison, Morgan6 hr
May 7, 1:41 AM CDTMesoscale DiscussionSPCColbert, Franklin, Lauderdale, Lawrence, Limestone, Madison and 1 more3 hr
May 7, 4:55 AM CDTTornado WatchSPCLauderdale6 hr
May 7, 7:06 AM CDTMesoscale DiscussionSPCColbert, Cullman, Fayette, Franklin, Jackson, Lamar and 8 more114 min
May 7, 7:35 AM CDTTornado WatchSPCBlount, Colbert, Cullman, Fayette, Franklin, Greene and 16 more5 hr
May 7, 10:24 AM CDTMesoscale DiscussionSPCBibb, Blount, Calhoun, Chambers, Cherokee, Chilton and 20 more2 hr
May 7, 10:35 AM CDTTornado WatchSPCBibb, Blount, Calhoun, Chambers, Cherokee, Chilton and 23 more5 hr
May 7, 10:50 AM CDTTornado WatchSPCSumter5 hr
May 7, 1:42 PM CDTMesoscale DiscussionSPCAutauga, Baldwin, Bullock, Butler, Choctaw, Clarke and 14 more2 hr
May 7, 3:00 PM CDTTornado WatchSPCAutauga, Barbour, Bibb, Bullock, Butler, Calhoun and 30 more6 hr
May 7, 6:29 PM CDTMesoscale DiscussionSPCAutauga, Barbour, Bibb, Bullock, Butler, Calhoun and 32 more91 min
May 7, 1:16 AM CDTMesoscale DiscussionSPCFannin, Lumpkin, Towns, Union, White3 hr

Nearby

Tornado Watches in Georgia, 2003Tornado Watches in Alabama, 2003Every tornado watch in 2003

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.