Alert archive / Tennessee / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 509

June 11, 200310 counties in Alabama; 30 counties in Mississippi; 39 counties in Tennessee

The Storm Prediction Center issued this severe thunderstorm watch at Jun 11, 2003, 10:45 AM CDT for 10 counties in Alabama; 30 counties in Mississippi; 39 counties in Tennessee. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Jun 11, 2003, 10:45 AM CDT (15:45 UTC)
Expired: Jun 11, 2003, 4:00 PM CDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 79 counties

Colbert County, AL, Fayette County, AL, Franklin County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Marion County, AL, Pickens County, AL, Winston County, AL, Alcorn County, MS, Benton County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Clay County, MS, Grenada County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Leflore County, MS, Lowndes County, MS, Marshall County, MS, Monroe County, MS, Montgomery County, MS, Oktibbeha County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Washington County, MS, Webster County, MS, Yalobusha County, MS, Bedford County, TN, Benton County, TN, Cannon County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Crockett County, TN, Davidson County, TN, Decatur County, TN, Dickson County, TN, Fayette County, TN, Gibson County, TN, Giles County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Madison County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Perry County, TN, Rutherford County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Wayne County, TN, Weakley County, TN, Williamson County, TN, Wilson County, TN

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 11, 11:28 AM CDT	Severe Thunderstorm Warning	OHX	Wilson	47 min
Jun 11, 11:31 AM CDT	Severe Thunderstorm Warning	JAN	Carroll	39 min
Jun 11, 11:41 AM CDT	Severe Thunderstorm Warning	OHX	Rutherford	49 min
Jun 11, 11:50 AM CDT	Severe Thunderstorm Warning	JAN	Montgomery	30 min
Jun 11, 11:50 AM CDT	Severe Thunderstorm Warning	OHX	Franklin, Lincoln, Moore	40 min
Jun 11, 12:01 PM CDT	Severe Thunderstorm Warning	MEG	Pontotoc	44 min
Jun 11, 12:02 PM CDT	Severe Thunderstorm Warning	JAN	Webster	28 min
Jun 11, 12:04 PM CDT	Severe Thunderstorm Warning	JAN	Webster	26 min
Jun 11, 12:08 PM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw	37 min
Jun 11, 12:11 PM CDT	Severe Thunderstorm Warning	OHX	Smith, Trousdale	34 min
Jun 11, 12:13 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Tishomingo	32 min
Jun 11, 12:17 PM CDT	Severe Thunderstorm Warning	MEG	Haywood, Tipton	43 min
Jun 11, 12:34 PM CDT	Severe Thunderstorm Warning	JAN	Clay	61 min
Jun 11, 12:37 PM CDT	Severe Thunderstorm Warning	JAN	Clay	58 min
Jun 11, 12:39 PM CDT	Severe Thunderstorm Warning	OHX	Jackson	36 min
Jun 11, 12:44 PM CDT	Severe Thunderstorm Warning	JAN	Lowndes, Oktibbeha	61 min
Jun 11, 12:46 PM CDT	Severe Thunderstorm Warning	MEG	Chickasaw	44 min
Jun 11, 12:55 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Lee	50 min
Jun 11, 12:57 PM CDT	Severe Thunderstorm Warning	MEG	Gibson	48 min
Jun 11, 1:12 PM CDT	Severe Thunderstorm Warning	MEG	Monroe	48 min
Jun 11, 1:13 PM CDT	Severe Thunderstorm Warning	BMX	Lamar, Pickens	47 min
Jun 11, 1:16 PM CDT	Severe Thunderstorm Warning	HUN	Lauderdale	44 min
Jun 11, 1:30 PM CDT	Severe Thunderstorm Warning	HUN	Franklin	30 min
Jun 11, 1:35 PM CDT	Severe Thunderstorm Warning	OHX	Perry	25 min
Jun 11, 1:43 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence	47 min
Jun 11, 1:46 PM CDT	Severe Thunderstorm Warning	HUN	Lawrence	44 min
Jun 11, 1:54 PM CDT	Severe Thunderstorm Warning	BMX	Marion, Winston	51 min
Jun 11, 2:15 PM CDT	Severe Thunderstorm Warning	OHX	Giles	45 min
Jun 11, 2:20 PM CDT	Severe Thunderstorm Warning	HUN	Limestone, Morgan	40 min
Jun 11, 2:21 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Houston, Stewart	49 min
Jun 11, 2:26 PM CDT	Tornado Warning	MEG	Coahoma, Quitman, Tunica	34 min
Jun 11, 2:29 PM CDT	Severe Thunderstorm Warning	HUN	Lawrence	21 min
Jun 11, 2:29 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Marshall, Maury, Williamson	56 min
Jun 11, 2:37 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto, Marshall, Tate	53 min
Jun 11, 2:39 PM CDT	Severe Thunderstorm Warning	OHX	Davidson	46 min
Jun 11, 2:48 PM CDT	Severe Thunderstorm Warning	BMX	Winston	12 min
Jun 11, 2:54 PM CDT	Severe Thunderstorm Warning	MEG	Panola	51 min
Jun 11, 2:56 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Sumner, Trousdale, Wilson	64 min
Jun 11, 2:57 PM CDT	Severe Thunderstorm Warning	HUN	Limestone, Morgan	48 min
Jun 11, 3:06 PM CDT	Severe Thunderstorm Warning	MEG	Coahoma, Quitman	39 min
Jun 11, 3:07 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford	48 min
Jun 11, 3:18 PM CDT	Severe Thunderstorm Warning	MEG	Benton	42 min
Jun 11, 3:30 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Coffee, Moore	55 min
Jun 11, 3:42 PM CDT	Severe Thunderstorm Warning	MEG	Panola	48 min
Jun 11, 3:51 PM CDT	Severe Thunderstorm Warning	OHX	Macon, Sumner	49 min
Jun 11, 3:54 PM CDT	Severe Thunderstorm Warning	JAN	Sunflower	26 min
Jun 11, 3:55 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Smith	50 min
Jun 11, 4:00 PM CDT	Severe Thunderstorm Warning	OHX	Trousdale	30 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

Little Rock, AR (KLZK), launched 12:00Z, 3.8 hours before the alert went out and 107 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: 67 J/kg
Mixed-layer CIN: -109 J/kg
Mixed-layer LCL: 913 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 128 m²/s²
0-3 km storm-relative helicity: 214 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 11, 9:21 AM CDT	Mesoscale Discussion	SPC	Colbert, Fayette, Franklin, Lamar, Lauderdale, Marion and 1 more	54 min
Jun 11, 10:33 AM CDT	Mesoscale Discussion	SPC	Autauga, Bibb, Bullock, Butler, Chilton, Choctaw and 25 more	87 min
Jun 11, 11:50 AM CDT	Severe Thunderstorm Watch	SPC	Autauga, Bibb, Blount, Calhoun, Cherokee, Chilton and 23 more	4 hr
Jun 11, 12:26 PM CDT	Mesoscale Discussion	SPC	Colbert, Fayette, Franklin, Lamar, Lauderdale, Lawrence and 4 more	64 min
Jun 11, 3:01 PM CDT	Mesoscale Discussion	SPC	Colbert, Fayette, Franklin, Lamar, Lauderdale, Lawrence and 3 more	29 min
Jun 11, 3:25 PM CDT	Severe Thunderstorm Watch	SPC	Blount, Cherokee, Cullman, DeKalb, Etowah, Jackson and 6 more	5 hr
Jun 11, 3:30 PM CDT	Severe Thunderstorm Watch	SPC	Colbert, Franklin, Lamar, Lauderdale, Marion	5 hr
Jun 11, 4:57 PM CDT	Mesoscale Discussion	SPC	Blount, Cherokee, Colbert, Cullman, DeKalb, Etowah and 11 more	93 min
Jun 11, 4:53 AM CDT	Mesoscale Discussion	SPC	Bolivar, Coahoma, DeSoto, Quitman, Tate, Tunica	3 hr
Jun 11, 6:10 AM CDT	Severe Thunderstorm Watch	SPC	Bolivar, Humphreys, Sunflower, Washington	5 hr
Jun 11, 7:54 AM CDT	Mesoscale Discussion	SPC	Bolivar, Humphreys, Sunflower, Washington	2 hr
Jun 11, 1:53 PM CDT	Mesoscale Discussion	SPC	Bolivar, Coahoma, Tunica	67 min
Jun 11, 9:57 AM CDT	Mesoscale Discussion	SPC	Anderson, Bledsoe, Campbell, Cannon, Claiborne, Cumberland and 16 more	63 min
Jun 11, 10:30 AM CDT	Severe Thunderstorm Watch	SPC	Anderson, Bledsoe, Bradley, Campbell, Claiborne, Coffee and 27 more	6 hr
Jun 11, 1:13 PM CDT	Mesoscale Discussion	SPC	Anderson, Bledsoe, Bradley, Campbell, Claiborne, Coffee and 27 more	92 min

Nearby

Severe Thunderstorm Watches in Tennessee, 2003 Severe Thunderstorm Watches in Mississippi, 2003 Severe Thunderstorm Watches in Alabama, 2003 Every severe thunderstorm 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.