Alert archive / Georgia / Tornado Watches in 2005

Tornado Watch 613

July 6, 20058 counties in Alabama; 16 counties in Georgia

The Storm Prediction Center issued this tornado watch at Jul 6, 2005, 2:45 PM CDT for 8 counties in Alabama; 16 counties in Georgia. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Jul 6, 2005, 2:45 PM CDT (19:45 UTC)
Expired
Jul 6, 2005, 7:00 PM CDT
In force
4 hr
Issued by
the Storm Prediction Center
All 24 counties

Calhoun County, AL, Cherokee County, AL, Clay County, AL, Cleburne County, AL, Etowah County, AL, Randolph County, AL, St. Clair County, AL, Talladega County, AL, Bartow County, GA, Carroll County, GA, Cherokee County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, DeKalb County, GA, Douglas County, GA, Fayette County, GA, Forsyth County, GA, Fulton County, GA, Haralson County, GA, Heard County, GA, Henry County, GA, Paulding County, GA, Polk County, GA

The radar

The Atlanta radar (KFFC), 97 km from the middle of the area, began a volume at 19:48 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jul 6, 3:43 PM CDTTornado WarningBMXClay, Tallapoosa23 min
Jul 6, 4:05 PM CDTTornado WarningBMXRandolph40 min
Jul 6, 4:19 PM CDTTornado WarningFFCHeard41 min
Jul 6, 4:26 PM CDTFlash Flood WarningBMXChambers, Clay, Randolph, Tallapoosa4 hr
Jul 6, 5:44 PM CDTTornado WarningFFCCoweta31 min
Jul 6, 5:59 PM CDTSevere Thunderstorm WarningFFCFayette46 min
Jul 6, 6:05 PM CDTTornado WarningFFCFayette25 min
Jul 6, 6:37 PM CDTSevere Thunderstorm WarningFFCFayette23 min
Jul 6, 6:44 PM CDTFlash Flood WarningBMXCoosa, Talladega4 hr
Jul 6, 6:53 PM CDTSevere Thunderstorm WarningFFCClayton37 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, 7.8 hours before the alert went out and 102 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 2005-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 198 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2005-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
198 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
1168 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 061942
SEL3  
SPC WW 061942
ALZ000-GAZ000-070000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 613
NWS STORM PREDICTION CENTER NORMAN OK
245 PM CDT WED JUL 6 2005

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

       NORTHEAST ALABAMA
       NORTHWEST GEORGIA

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 245 PM UNTIL
700 PM CDT.

TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 35 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 30 MILES WEST OF ANNISTON ALABAMA
TO 25 MILES NORTHEAST OF ATLANTA GEORGIA.  FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU3).

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 611...WW 612...

DISCUSSION...CENTER OF CINDY WILL CONTINUE LIFTING NEWD ACROSS
CENTRAL AL THIS AFTERNOON...ALONG A PSEUDO WARM FRONT EXTENDING NWWD
INTO CENTRAL GA.  THIS BOUNDARY MAY LIFT NWD INTO OR NEAR THE ATL
METRO BY THE EARLY EVENING WITHIN REGION OF STRONG SURFACE PRESSURE
FALLS. A WARM AND VERY MOIST BOUNDARY LAYER WILL CONTINUE
SUPPORTING SUPERCELLS AS BOTH LOW AND DEEP LAYER SHEAR REMAINS
IMPRESSIVE.  TORNADOES WILL BE A DISTINCT THREAT...ESPECIALLY NEAR
THE SURFACE FRONT AND INVOF CIRCULATION CENTER.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 21035.


...EVANS

340,0862 342,0840 332,0840 330,0862

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 5, 7:47 PM CDTMesoscale DiscussionSPCBaldwin, Covington, Escambia, Geneva, Houston, Mobile118 min
Jul 5, 11:40 PM CDTTornado WatchSPCBaldwin, Mobile5 hr
Jul 6, 3:47 AM CDTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bullock, Butler, Choctaw and 21 more58 min
Jul 6, 4:40 AM CDTTornado WatchSPCBaldwin, Barbour, Bullock, Butler, Choctaw, Clarke and 16 more5 hr
Jul 6, 7:48 AM CDTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bullock, Butler, Choctaw and 24 more57 min
Jul 6, 9:14 AM CDTMesoscale DiscussionSPCBaldwin, Barbour, Bullock, Butler, Choctaw, Clarke and 16 more61 min
Jul 6, 11:48 AM CDTMesoscale DiscussionSPCBarbour, Bullock, Butler, Chambers, Coffee, Conecuh and 15 more87 min
Jul 6, 12:30 PM CDTTornado WatchSPCBarbour, Bullock, Chambers, Coffee, Dale, Elmore and 8 more6 hr
Jul 6, 2:10 PM CDTMesoscale DiscussionSPCBarbour, Bullock, Chambers, Coffee, Dale, Elmore and 8 more65 min
Jul 6, 6:11 PM CDTMesoscale DiscussionSPCCalhoun, Chambers, Cherokee, Clay, Cleburne, Coosa and 8 more34 min
Jul 6, 6:35 PM CDTTornado WatchSPCBullock, Calhoun, Chambers, Cherokee, Clay, Cleburne and 6 more6 hr

Nearby

Tornado Watches in Georgia, 2005Tornado Watches in Alabama, 2005Every tornado watch in 2005

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.