Alert archive / Georgia / Tornado Watches in 2009

Tornado Watch 134

April 10, 200925 counties in Alabama; 42 counties in Georgia; 5 counties in North Carolina

The Storm Prediction Center issued this tornado watch at Apr 10, 2009, 2:39 PM CDT for 25 counties in Alabama; 42 counties in Georgia; 5 counties in North Carolina. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Apr 10, 2009, 2:39 PM CDT (19:39 UTC)
Expired: Apr 10, 2009, 10:33 PM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Particularly dangerous situation: Yes
Largest hail expected: 3 in
Strongest gust expected: 60 kt

All 72 counties

Autauga County, AL, Barbour County, AL, Bullock County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Etowah County, AL, Jefferson County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Montgomery County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL, Banks County, GA, Barrow County, GA, Bartow County, GA, Carroll 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, Fannin County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Franklin County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Gwinnett County, GA, Habersham County, GA, Hall County, GA, Haralson County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Lumpkin County, GA, Madison County, GA, Murray County, GA, Newton County, GA, Oconee County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Rabun County, GA, Rockdale County, GA, Stephens County, GA, Towns County, GA, Union County, GA, Walton County, GA, White County, GA, Graham County, NC, Haywood County, NC, Jackson County, NC, Macon County, NC, Swain County, NC

The radar

The Northeast Alabama radar (KHTX), 144 km from the middle of the area, began a volume at 19:43 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes: 80%
One or more EF2 to EF5 tornadoes: 60%
Ten or more severe wind reports: 90%
One or more gusts of 65 knots or more: 70%
Ten or more severe hail reports: 60%
One or more hailstones of 2 inches or more: 50%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Apr 10, 3:18 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair, Shelby, Talladega	24 min
Apr 10, 3:30 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, St. Clair, Shelby	30 min
Apr 10, 3:48 PM CDT	Severe Thunderstorm Warning	BMX	Cherokee	42 min
Apr 10, 3:49 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair, Shelby, Talladega	41 min
Apr 10, 3:53 PM CDT	Tornado Warning	FFC	Chattooga, Floyd, Walker	37 min
Apr 10, 4:01 PM CDT	Severe Thunderstorm Warning	FFC	Chattooga, Floyd	44 min
Apr 10, 4:05 PM CDT	Tornado Warning	FFC	Gilmer, Gordon, Murray, Pickens	25 min
Apr 10, 4:08 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Etowah	52 min
Apr 10, 4:11 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Calhoun, Cherokee, Etowah, St. Clair	34 min
Apr 10, 4:11 PM CDT	Tornado Warning	BMX	Blount, Etowah	34 min
Apr 10, 4:11 PM CDT	Severe Thunderstorm Warning	FFC	Gordon, Murray, Whitfield	49 min
Apr 10, 4:12 PM CDT	Severe Thunderstorm Warning	GSP	Graham, Macon, Swain	93 min
Apr 10, 4:13 PM CDT	Tornado Warning	FFC	Chattooga, Floyd	62 min
Apr 10, 4:15 PM CDT	Tornado Warning	BMX	Cherokee	45 min
Apr 10, 4:19 PM CDT	Tornado Warning	FFC	Gordon, Murray, Whitfield	41 min
Apr 10, 4:20 PM CDT	Severe Thunderstorm Warning	FFC	Lumpkin, White	40 min
Apr 10, 4:26 PM CDT	Severe Thunderstorm Warning	FFC	Fannin, Gilmer, Murray	64 min
Apr 10, 4:26 PM CDT	Tornado Warning	FFC	Bartow, Gordon	49 min
Apr 10, 4:28 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Clay, Cleburne, Randolph, St. Clair, Talladega	47 min
Apr 10, 4:29 PM CDT	Tornado Warning	FFC	Gilmer, Murray	46 min
Apr 10, 4:31 PM CDT	Severe Thunderstorm Warning	BMX	Blount, Jefferson	44 min
Apr 10, 4:33 PM CDT	Severe Thunderstorm Warning	FFC	Forsyth, Fulton	28 min
Apr 10, 4:35 PM CDT	Tornado Warning	BMX	Calhoun, Clay, Cleburne, Randolph, Talladega	40 min
Apr 10, 4:36 PM CDT	Severe Thunderstorm Warning	FFC	Gwinnett, Hall	14 min
Apr 10, 4:36 PM CDT	Tornado Warning	FFC	Gordon	24 min
Apr 10, 4:40 PM CDT	Tornado Warning	FFC	White	23 min
Apr 10, 4:42 PM CDT	Tornado Warning	BMX	Cherokee, Etowah	48 min
Apr 10, 4:42 PM CDT	Tornado Warning	FFC	Gilmer, Pickens	48 min
Apr 10, 4:43 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Jefferson, Shelby, Talladega	47 min
Apr 10, 4:43 PM CDT	Tornado Warning	GSP	Habersham, Rabun	62 min
Apr 10, 4:53 PM CDT	Severe Thunderstorm Warning	FFC	Fannin, Gilmer	37 min
Apr 10, 4:55 PM CDT	Severe Thunderstorm Warning	FFC	Hall	50 min
Apr 10, 4:55 PM CDT	Severe Thunderstorm Warning	FFC	Cherokee, Pickens	35 min
Apr 10, 4:57 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Jefferson, Shelby, Tuscaloosa	48 min
Apr 10, 5:00 PM CDT	Severe Thunderstorm Warning	FFC	Carroll, Heard	60 min
Apr 10, 5:01 PM CDT	Severe Thunderstorm Warning	BMX	Clay, St. Clair, Shelby, Talladega	44 min
Apr 10, 5:02 PM CDT	Tornado Warning	FFC	Dawson, Gilmer, Lumpkin, Pickens	43 min
Apr 10, 5:04 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Cleburne, Randolph	41 min
Apr 10, 5:07 PM CDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee	53 min
Apr 10, 5:09 PM CDT	Tornado Warning	BMX	Clay, Cleburne, Randolph	29 min
Apr 10, 5:11 PM CDT	Severe Thunderstorm Warning	FFC	Dawson, Forsyth	49 min
Apr 10, 5:12 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cherokee, Cleburne, Etowah	48 min
Apr 10, 5:13 PM CDT	Tornado Warning	FFC	Banks, Hall	47 min
Apr 10, 5:14 PM CDT	Tornado Warning	FFC	Cherokee, Dawson, Forsyth	61 min
Apr 10, 5:17 PM CDT	Severe Thunderstorm Warning	FFC	Bartow	28 min
Apr 10, 5:21 PM CDT	Severe Thunderstorm Warning	FFC	Lumpkin, Union, White	39 min
Apr 10, 5:25 PM CDT	Tornado Warning	FFC	Carroll, Heard	50 min
Apr 10, 5:26 PM CDT	Severe Thunderstorm Warning	FFC	Hall, Lumpkin	34 min
Apr 10, 5:28 PM CDT	Tornado Warning	GSP	Franklin, Stephens	47 min
Apr 10, 5:29 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cherokee, Cleburne, Etowah, St. Clair	61 min
Apr 10, 5:31 PM CDT	Tornado Warning	FFC	Hall	44 min
Apr 10, 5:34 PM CDT	Severe Thunderstorm Warning	BMX	Shelby, Talladega	41 min
Apr 10, 5:34 PM CDT	Severe Thunderstorm Warning	FFC	Chattooga, Floyd	41 min
Apr 10, 5:37 PM CDT	Severe Thunderstorm Warning	BMX	Calhoun, Cherokee, Cleburne, Etowah, St. Clair	23 min
Apr 10, 5:38 PM CDT	Tornado Warning	BMX	Calhoun, Cherokee, Cleburne, Etowah	52 min
Apr 10, 5:38 PM CDT	Severe Thunderstorm Warning	FFC	Coweta	67 min
Apr 10, 5:43 PM CDT	Tornado Warning	FFC	Bartow, Cherokee	47 min
Apr 10, 5:44 PM CDT	Severe Thunderstorm Warning	BMX	Chilton, Clay, Coosa, Shelby, Talladega, Tallapoosa	46 min
Apr 10, 5:45 PM CDT	Tornado Warning	BMX	Calhoun, Cleburne, Etowah, St. Clair	60 min
Apr 10, 5:50 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Shelby	21 min
Apr 10, 5:50 PM CDT	Tornado Warning	FFC	Gwinnett, Hall	25 min
Apr 10, 5:52 PM CDT	Severe Thunderstorm Warning	FFC	Gwinnett, Hall	53 min
Apr 10, 5:58 PM CDT	Severe Thunderstorm Warning	FFC	Forsyth, Fulton	47 min
Apr 10, 6:00 PM CDT	Severe Thunderstorm Warning	BMX	Clay, Cleburne, Randolph, Shelby, Talladega	60 min
Apr 10, 6:01 PM CDT	Severe Thunderstorm Warning	FFC	Banks, Jackson	44 min
Apr 10, 6:02 PM CDT	Tornado Warning	BMX	Chilton, Coosa, Tallapoosa	58 min
Apr 10, 6:04 PM CDT	Tornado Warning	FFC	Coweta, Fayette	43 min
Apr 10, 6:08 PM CDT	Severe Thunderstorm Warning	FFC	Bartow	52 min
Apr 10, 6:12 PM CDT	Severe Thunderstorm Warning	FFC	Floyd, Polk	48 min
Apr 10, 6:15 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Clay, Coosa, Randolph, Talladega, Tallapoosa	60 min
Apr 10, 6:16 PM CDT	Tornado Warning	FFC	Banks, Jackson, Madison	29 min
Apr 10, 6:19 PM CDT	Tornado Warning	FFC	Forsyth, Fulton, Gwinnett	41 min
Apr 10, 6:20 PM CDT	Tornado Warning	FFC	Heard	40 min
Apr 10, 6:24 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Coosa, Perry	51 min
Apr 10, 6:26 PM CDT	Tornado Warning	FFC	Bartow, Paulding, Polk	49 min
Apr 10, 6:28 PM CDT	Tornado Warning	FFC	Clayton, Fayette, Henry, Spalding	45 min
Apr 10, 6:28 PM CDT	Tornado Warning	FFC	Jackson, Madison	47 min
Apr 10, 6:32 PM CDT	Tornado Warning	BMX	Coosa, Elmore, Tallapoosa	28 min
Apr 10, 6:35 PM CDT	Tornado Warning	FFC	Carroll, Haralson, Paulding	40 min
Apr 10, 6:37 PM CDT	Tornado Warning	FFC	Barrow, Gwinnett, Jackson	53 min
Apr 10, 6:42 PM CDT	Severe Thunderstorm Warning	FFC	Cherokee, Cobb, Forsyth, Fulton, Gwinnett	48 min
Apr 10, 6:45 PM CDT	Severe Thunderstorm Warning	FFC	Coweta	60 min
Apr 10, 6:50 PM CDT	Tornado Warning	FFC	Clarke, Jackson, Madison, Oglethorpe	40 min
Apr 10, 6:54 PM CDT	Tornado Warning	FFC	Forsyth, Fulton, Gwinnett	36 min
Apr 10, 6:55 PM CDT	Tornado Warning	BMX	Chambers, Elmore, Lee, Tallapoosa	65 min
Apr 10, 6:57 PM CDT	Severe Thunderstorm Warning	BMX	Chilton, Coosa, Elmore, Tallapoosa	63 min
Apr 10, 6:59 PM CDT	Severe Thunderstorm Warning	FFC	Cobb, Fulton	31 min
Apr 10, 7:01 PM CDT	Severe Thunderstorm Warning	FFC	Butts, Jasper, Newton	44 min
Apr 10, 7:05 PM CDT	Tornado Warning	BMX	Chambers, Elmore, Lee, Macon, Tallapoosa	55 min
Apr 10, 7:07 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Lee, Tallapoosa	38 min
Apr 10, 7:07 PM CDT	Severe Thunderstorm Warning	FFC	Fayette, Spalding	53 min
Apr 10, 7:08 PM CDT	Severe Thunderstorm Warning	FFC	Clayton, Cobb, Douglas, Fulton, Paulding	52 min
Apr 10, 7:14 PM CDT	Severe Thunderstorm Warning	FFC	Gwinnett	31 min
Apr 10, 7:18 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Dallas, Lowndes, Montgomery, Perry	57 min
Apr 10, 7:23 PM CDT	Severe Thunderstorm Warning	FFC	Clarke, Jackson, Madison, Oglethorpe	52 min
Apr 10, 7:26 PM CDT	Severe Thunderstorm Warning	FFC	Clayton, DeKalb, Gwinnett, Henry, Rockdale, Walton	49 min
Apr 10, 7:33 PM CDT	Severe Thunderstorm Warning	FFC	Carroll, Haralson, Paulding	27 min
Apr 10, 7:39 PM CDT	Severe Thunderstorm Warning	FFC	Butts, Clayton, Henry	55 min
Apr 10, 7:41 PM CDT	Tornado Warning	BMX	Lee, Macon, Russell	49 min
Apr 10, 7:45 PM CDT	Tornado Warning	BMX	Elmore, Lee, Macon, Tallapoosa	60 min
Apr 10, 7:49 PM CDT	Tornado Warning	FFC	DeKalb, Gwinnett	23 min
Apr 10, 7:53 PM CDT	Severe Thunderstorm Warning	FFC	Barrow, Gwinnett, Oconee, Walton	37 min
Apr 10, 7:54 PM CDT	Tornado Warning	FFC	Butts, Henry, Spalding	51 min
Apr 10, 7:58 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Bullock, Elmore, Macon, Montgomery	62 min
Apr 10, 8:09 PM CDT	Tornado Warning	FFC	DeKalb, Newton, Rockdale, Walton	39 min
Apr 10, 8:20 PM CDT	Severe Thunderstorm Warning	FFC	Cobb, DeKalb, Fulton, Gwinnett	28 min
Apr 10, 8:24 PM CDT	Tornado Warning	BMX	Lee, Russell	21 min
Apr 10, 8:26 PM CDT	Severe Thunderstorm Warning	BMX	Autauga, Dallas, Lowndes, Montgomery	64 min
Apr 10, 8:32 PM CDT	Severe Thunderstorm Warning	FFC	DeKalb, Fulton, Rockdale	43 min
Apr 10, 8:35 PM CDT	Tornado Warning	FFC	Greene, Morgan, Oconee, Oglethorpe	40 min
Apr 10, 8:37 PM CDT	Tornado Warning	BMX	Lee, Macon, Russell	68 min
Apr 10, 8:47 PM CDT	Tornado Warning	BMX	Bullock, Macon, Montgomery	58 min
Apr 10, 8:49 PM CDT	Severe Thunderstorm Warning	FFC	Clayton, DeKalb, Henry, Newton, Rockdale, Walton	32 min
Apr 10, 9:07 PM CDT	Severe Thunderstorm Warning	FFC	Butts, Henry, Jasper, Newton	68 min
Apr 10, 9:13 PM CDT	Severe Thunderstorm Warning	FFC	Greene, Jasper, Morgan, Newton, Putnam, Walton	62 min
Apr 10, 9:33 PM CDT	Tornado Warning	BMX	Barbour, Bullock, Macon, Russell	57 min
Apr 10, 9:34 PM CDT	Tornado Warning	FFC	Butts, Jasper, Newton	30 min
Apr 10, 9:42 PM CDT	Severe Thunderstorm Warning	FFC	Butts, Henry, Jasper, Lamar, Monroe, Spalding	48 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, 7.7 hours before the alert went out and 153 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 671 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 256 m²/s²
0-3 km storm-relative helicity: 292 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 10, 1:24 AM CDT	Mesoscale Discussion	SPC	Colbert, Fayette, Franklin, Lamar, Lauderdale, Marion and 1 more	96 min
Apr 10, 1:43 AM CDT	Tornado Watch	SPC	Blount, Colbert, Cullman, Fayette, Franklin, Greene and 12 more	5 hr
Apr 10, 4:25 AM CDT	Mesoscale Discussion	SPC	Blount, Calhoun, Cherokee, Cleburne, Cullman, DeKalb and 13 more	95 min
Apr 10, 8:22 AM CDT	Mesoscale Discussion	SPC	Lauderdale	83 min
Apr 10, 11:14 AM CDT	Mesoscale Discussion	SPC	Colbert, Franklin, Jackson, Lauderdale, Lawrence, Limestone and 4 more	76 min
Apr 10, 11:23 AM CDT	Tornado Watch PDS	SPC	Bibb, Blount, Calhoun, Cherokee, Cleburne, Colbert and 25 more	8 hr
Apr 10, 12:58 PM CDT	Mesoscale Discussion	SPC	Colbert, Cullman, Fayette, Franklin, Jackson, Lamar and 8 more	92 min
Apr 10, 2:29 PM CDT	Mesoscale Discussion	SPC	Cleburne	91 min
Apr 10, 3:43 PM CDT	Mesoscale Discussion	SPC	Blount, Calhoun, Cherokee, Cleburne, DeKalb, Etowah and 4 more	92 min
Apr 10, 6:34 PM CDT	Mesoscale Discussion	SPC	Autauga, Calhoun, Chambers, Chilton, Clay, Cleburne and 9 more	56 min
Apr 10, 7:04 AM CDT	Mesoscale Discussion	SPC	Banks, Bartow, Chattooga, Cherokee, Cobb, Dawson and 23 more	86 min
Apr 10, 5:11 PM CDT	Mesoscale Discussion	SPC	Baldwin, Bibb, Butts, Clarke, Columbia, Crawford and 32 more	64 min
Apr 10, 5:31 PM CDT	Tornado Watch	SPC	Baldwin, Bibb, Bleckley, Butts, Chattahoochee, Columbia and 53 more	7 hr
Apr 10, 3:42 PM CDT	Mesoscale Discussion	SPC	Alleghany, Ashe, Avery, Caldwell, Mitchell, Surry and 2 more	63 min
Apr 10, 6:53 PM CDT	Mesoscale Discussion	SPC	Mitchell	67 min
Apr 9, 10:48 PM CDT	Tornado Watch	SPC	Crockett, Dyer, Fayette, Gibson, Haywood, Lake and 4 more	4 hr
Apr 10, 12:50 AM CDT	Mesoscale Discussion	SPC	Benton, Carroll, Cheatham, Chester, Davidson, Decatur and 16 more	85 min
Apr 10, 1:22 AM CDT	Severe Thunderstorm Watch	SPC	Bedford, Benton, Carroll, Cheatham, Chester, Davidson and 28 more	4 hr
Apr 10, 3:33 AM CDT	Mesoscale Discussion	SPC	Bedford, Cannon, Cheatham, Clay, Coffee, Davidson and 24 more	57 min
Apr 10, 8:53 AM CDT	Tornado Watch	SPC	Bedford, Benton, Cannon, Carroll, Cheatham, Chester and 46 more	7 hr
Apr 10, 1:51 PM CDT	Tornado Watch	SPC	Carter, Claiborne, Cocke, Grainger, Greene, Hamblen and 8 more	6 hr

Nearby

Tornado Watches in Georgia, 2009 Tornado Watches in Alabama, 2009 Tornado Watches in North Carolina, 2009 Every tornado watch in 2009

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.