Alert archive / Mississippi / Tornado Watches in 2008

Tornado Watch 134

March 18, 20084 states

The Storm Prediction Center issued this tornado watch at Mar 18, 2008, 10:51 PM CDT for 4 states. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Mar 18, 2008, 10:51 PM CDT (03:51 UTC)
Expired: Mar 19, 2008, 7:00 AM CDT
In force: 8 hr
Issued by: the Storm Prediction Center

All 99 counties

Ashley County, AR, Chicot County, AR, Ascension Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Baton Rouge Parish, LA, East Carroll Parish, LA, East Feliciana Parish, LA, Franklin Parish, LA, Iberville Parish, LA, Livingston Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Pointe Coupee Parish, LA, Richland Parish, LA, Saint Helena Parish, LA, Tangipahoa Parish, LA, Tensas Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Carroll Parish, LA, West Feliciana Parish, LA, Adams County, MS, Alcorn County, MS, Amite County, MS, Attala County, MS, Benton County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Claiborne County, MS, Clarke County, MS, Clay County, MS, Coahoma County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Itawamba County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lafayette County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lee County, MS, Leflore County, MS, Lincoln County, MS, Lowndes County, MS, Madison County, MS, Marion County, MS, Marshall County, MS, Monroe County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Panola County, MS, Pike County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Smith County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Walthall County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Wilkinson County, MS, Winston County, MS, Yalobusha County, MS, Yazoo County, MS, Chester County, TN, Decatur County, TN, Hardeman County, TN, Hardin County, TN, Henderson County, TN, McNairy County, TN

The radar

The Jackson/Brandon,MS radar (KDGX), 115 km from the middle of the area, began a volume at 03:53 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

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

Issued	Product	Office	Counties	Lasted
Mar 19, 12:08 AM CDT	Severe Thunderstorm Warning	MEG	Coahoma, Quitman, Tunica	52 min
Mar 19, 12:23 AM CDT	Tornado Warning	JAN	Catahoula, Concordia	67 min
Mar 19, 12:39 AM CDT	Severe Thunderstorm Warning	JAN	East Carroll, Madison	51 min
Mar 19, 12:57 AM CDT	Severe Thunderstorm Warning	MEG	DeSoto, Marshall, Tate, Tunica	63 min
Mar 19, 1:04 AM CDT	Tornado Warning	JAN	Humphreys, Issaquena, Sharkey, Yazoo	41 min
Mar 19, 1:10 AM CDT	Severe Thunderstorm Warning	JAN	Carroll, Grenada, Holmes, Humphreys, Leflore, Sunflower	50 min
Mar 19, 1:24 AM CDT	Severe Thunderstorm Warning	JAN	Adams	51 min
Mar 19, 1:25 AM CDT	Tornado Warning	LIX	Pointe Coupee	35 min
Mar 19, 1:30 AM CDT	Tornado Warning	JAN	Adams	45 min
Mar 19, 1:35 AM CDT	Tornado Warning	LIX	Wilkinson	25 min
Mar 19, 1:35 AM CDT	Severe Thunderstorm Warning	MEG	Carroll, Crockett, Gibson, Henderson, Madison, Weakley	55 min
Mar 19, 1:43 AM CDT	Tornado Warning	JAN	Holmes, Humphreys	32 min
Mar 19, 1:47 AM CDT	Severe Thunderstorm Warning	MEG	Benton, Lafayette, Marshall, Panola, Tate	58 min
Mar 19, 1:58 AM CDT	Tornado Warning	JAN	Adams, Franklin, Jefferson	47 min
Mar 19, 2:01 AM CDT	Severe Thunderstorm Warning	MEG	Chester, Fayette, Hardeman, Haywood, Henderson, Madison	44 min
Mar 19, 2:02 AM CDT	Tornado Warning	JAN	Carroll, Holmes, Humphreys, Leflore	28 min
Mar 19, 2:04 AM CDT	Severe Thunderstorm Warning	JAN	East Carroll, Madison, Tensas	30 min
Mar 19, 2:05 AM CDT	Tornado Warning	LIX	Wilkinson	25 min
Mar 19, 2:15 AM CDT	Tornado Warning	LIX	West Feliciana	30 min
Mar 19, 2:43 AM CDT	Tornado Warning	JAN	Claiborne, Copiah, Jefferson	47 min
Mar 19, 2:45 AM CDT	Severe Thunderstorm Warning	MEG	Benton, Marshall, Tippah	45 min
Mar 19, 2:46 AM CDT	Severe Thunderstorm Warning	JAN	Franklin	29 min
Mar 19, 3:08 AM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Copiah, Franklin, Jefferson, Lincoln	52 min
Mar 19, 3:10 AM CDT	Tornado Warning	JAN	Hinds	50 min
Mar 19, 3:30 AM CDT	Severe Thunderstorm Warning	JAN	Copiah	30 min
Mar 19, 3:50 AM CDT	Tornado Warning	JAN	Madison	40 min
Mar 19, 3:59 AM CDT	Severe Thunderstorm Warning	JAN	Copiah, Covington, Hinds, Jefferson Davis, Lawrence, Leake and 5 more	46 min
Mar 19, 3:59 AM CDT	Tornado Warning	JAN	Attala, Holmes, Yazoo	22 min
Mar 19, 4:31 AM CDT	Severe Thunderstorm Warning	JAN	Attala, Leake, Madison	44 min
Mar 19, 4:45 AM CDT	Severe Thunderstorm Warning	JAN	Leake, Madison, Rankin, Scott	30 min
Mar 19, 5:00 AM CDT	Tornado Warning	JAN	Attala, Choctaw, Montgomery	30 min
Mar 19, 5:15 AM CDT	Tornado Warning	JAN	Leake, Neshoba	30 min
Mar 19, 5:44 AM CDT	Severe Thunderstorm Warning	JAN	Neshoba, Noxubee, Winston	18 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

Jackson, MS (KJAN), launched 00:00Z, 3.9 hours before the alert went out and 108 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: 4 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 1138 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 301 m²/s²
0-3 km storm-relative helicity: 322 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
Mar 18, 8:43 PM CDT	Mesoscale Discussion	SPC	Clark, Cleveland, Craighead, Crittenden, Cross, Dallas and 19 more	92 min
Mar 18, 10:34 PM CDT	Mesoscale Discussion	SPC	Ashley, Chicot, Union	56 min
Mar 18, 11:42 PM CDT	Mesoscale Discussion	SPC	Crittenden, St. Francis	63 min
Mar 19, 2:35 AM CDT	Mesoscale Discussion	SPC	Attala, Calhoun, Carroll, Chickasaw, Choctaw, Clay and 18 more	115 min
Mar 19, 4:55 AM CDT	Mesoscale Discussion	SPC	Attala, Calhoun, Chickasaw, Choctaw, Clay, Itawamba and 12 more	2 hr
Mar 19, 7:08 AM CDT	Mesoscale Discussion	SPC	Alcorn, Attala, Benton, Calhoun, Carroll, Chickasaw and 21 more	2 hr
Mar 19, 1:13 AM CDT	Mesoscale Discussion	SPC	Benton, Carroll, Cheatham, Chester, Davidson, Decatur and 17 more	62 min
Mar 19, 1:32 PM CDT	Mesoscale Discussion	SPC	Anderson, Bledsoe, Bradley, Campbell, Claiborne, Coffee and 24 more	58 min
Mar 19, 2:03 PM CDT	Tornado Watch	SPC	Anderson, Bedford, Bledsoe, Bradley, Campbell, Cannon and 27 more	5 hr
Mar 19, 3:54 PM CDT	Mesoscale Discussion	SPC	Anderson, Bledsoe, Blount, Bradley, Campbell, Claiborne and 23 more	66 min
Mar 19, 4:43 PM CDT	Severe Thunderstorm Watch	SPC	Blount, Carter, Cocke, Greene, Hamblen, Hawkins and 8 more	4 hr
Mar 19, 6:19 PM CDT	Mesoscale Discussion	SPC	Blount, Carter, Cocke, Greene, Hamblen, Hawkins and 8 more	86 min

Nearby

Tornado Watches in Mississippi, 2008 Tornado Watches in Louisiana, 2008 Tornado Watches in Tennessee, 2008 Every tornado watch in 2008

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.