Alert archive / Tennessee / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 548

July 4, 20047 states

The Storm Prediction Center issued this severe thunderstorm watch at Jul 4, 2004, 11:35 AM CDT for 7 states. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued: Jul 4, 2004, 11:35 AM CDT (16:35 UTC)
Expired: Jul 4, 2004, 4:00 PM CDT
In force: 4 hr
Issued by: the Storm Prediction Center

All 82 counties

Colbert County, AL, Franklin County, AL, Lauderdale County, AL, Marion County, AL, Crittenden County, AR, Mississippi County, AR, Alexander County, IL, Massac County, IL, Pulaski County, IL, Ballard County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, Muhlenberg County, KY, Todd County, KY, Trigg County, KY, Bollinger County, MO, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Scott County, MO, Stoddard County, MO, Alcorn County, MS, Benton County, MS, Coahoma County, MS, DeSoto County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Marshall County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Yalobusha County, MS, Benton County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dickson County, TN, Dyer County, TN, Fayette County, TN, Gibson 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, Lake County, TN, Lauderdale County, TN, Lawrence County, TN, Lewis County, TN, Madison County, TN, McNairy County, TN, Montgomery County, TN, Obion County, TN, Perry County, TN, Shelby County, TN, Stewart County, TN, Tipton County, TN, Wayne County, TN, Weakley County, TN

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jul 4, 11:55 AM CDT	Severe Thunderstorm Warning	MEG	Mississippi	50 min
Jul 4, 12:03 PM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Cross	42 min
Jul 4, 12:18 PM CDT	Severe Thunderstorm Warning	MEG	Lauderdale, Shelby, Tipton	42 min
Jul 4, 12:40 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto	50 min
Jul 4, 12:45 PM CDT	Severe Thunderstorm Warning	MEG	Mississippi	30 min
Jul 4, 12:47 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Haywood	43 min
Jul 4, 1:02 PM CDT	Severe Thunderstorm Warning	MEG	Marshall, Tate	43 min
Jul 4, 1:26 PM CDT	Severe Thunderstorm Warning	MEG	Crockett, Dyer, Gibson, Obion	49 min
Jul 4, 1:30 PM CDT	Severe Thunderstorm Warning	MEG	Benton	45 min
Jul 4, 1:33 PM CDT	Severe Thunderstorm Warning	MEG	Benton	42 min
Jul 4, 1:57 PM CDT	Severe Thunderstorm Warning	MEG	Marshall, Union	33 min
Jul 4, 2:10 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Weakley	35 min
Jul 4, 2:19 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Humphreys, Perry	56 min
Jul 4, 2:34 PM CDT	Severe Thunderstorm Warning	MEG	Hardin, McNairy	26 min
Jul 4, 2:37 PM CDT	Severe Thunderstorm Warning	OHX	Stewart	53 min
Jul 4, 2:51 PM CDT	Severe Thunderstorm Warning	OHX	Wayne	54 min
Jul 4, 2:54 PM CDT	Severe Thunderstorm Warning	HUN	Lauderdale	66 min
Jul 4, 2:56 PM CDT	Severe Thunderstorm Warning	MEG	Decatur	34 min
Jul 4, 3:09 PM CDT	Severe Thunderstorm Warning	HUN	Colbert	66 min
Jul 4, 3:10 PM CDT	Severe Thunderstorm Warning	OHX	Humphreys, Perry	50 min
Jul 4, 3:13 PM CDT	Severe Thunderstorm Warning	MEG	Tishomingo	32 min
Jul 4, 3:21 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery	54 min
Jul 4, 3:25 PM CDT	Severe Thunderstorm Warning	OHX	Dickson	35 min
Jul 4, 3:30 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham	60 min
Jul 4, 3:40 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lawrence, Lewis	50 min
Jul 4, 3:46 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lawrence, Lewis	44 min
Jul 4, 3:57 PM CDT	Severe Thunderstorm Warning	HUN	Lauderdale	33 min
Jul 4, 3:59 PM CDT	Severe Thunderstorm Warning	HUN	Franklin	46 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, 4.6 hours before the alert went out and 88 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: 2361 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 831 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 110 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
Jul 4, 10:38 AM CDT	Mesoscale Discussion	SPC	Colbert, Franklin, Lauderdale, Lawrence, Limestone, Madison and 3 more	2 hr
Jul 4, 1:31 PM CDT	Mesoscale Discussion	SPC	Blount, Calhoun, Cherokee, Cleburne, Colbert, Cullman and 19 more	119 min
Jul 4, 3:25 PM CDT	Severe Thunderstorm Watch	SPC	Blount, Colbert, Cullman, DeKalb, Etowah, Franklin and 11 more	6 hr
Jul 4, 5:54 PM CDT	Mesoscale Discussion	SPC	Blount, Calhoun, Cherokee, DeKalb, Etowah, Jackson and 5 more	66 min
Jul 4, 5:05 AM CDT	Severe Thunderstorm Watch	SPC	Benton, Boone, Carroll, Crawford, Madison, Washington	5 hr
Jul 4, 6:08 AM CDT	Mesoscale Discussion	SPC	Benton, Boone, Carroll, Crawford, Madison, Washington	2 hr
Jul 4, 6:09 AM CDT	Mesoscale Discussion	SPC	Benton, Boone, Carroll, Crawford, Madison, Washington	2 hr
Jul 4, 9:00 AM CDT	Severe Thunderstorm Watch	SPC	Baxter, Boone, Clay, Cleburne, Conway, Craighead and 28 more	5 hr
Jul 4, 1:25 PM CDT	Mesoscale Discussion	SPC	Benton, Crawford, Franklin, Johnson, Logan, Madison and 5 more	2 hr
Jul 4, 11:24 AM CDT	Mesoscale Discussion	SPC	Bond, Clay, Clinton, Crawford, Cumberland, Edwards and 22 more	3 hr
Jul 4, 1:05 PM CDT	Severe Thunderstorm Watch	SPC	Bond, Clay, Clinton, Crawford, Cumberland, Edwards and 19 more	6 hr
Jul 4, 3:04 PM CDT	Mesoscale Discussion	SPC	Clay, Edwards, Gallatin, Hamilton, Lawrence, Richland and 3 more	116 min
Jul 3, 10:10 PM CDT	Severe Thunderstorm Watch	SPC	Atchison, Holt	6 hr

Nearby

Severe Thunderstorm Watches in Tennessee, 2004 Severe Thunderstorm Watches in Mississippi, 2004 Severe Thunderstorm Watches in Kentucky, 2004 Every severe thunderstorm watch in 2004

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.