Alert archive / Mississippi / Mesoscale Discussions in 2006

Mesoscale Discussion 207

March 9, 20065 states

The Storm Prediction Center issued this mesoscale discussion at Mar 9, 2006, 11:05 AM CST for 5 states. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued: Mar 9, 2006, 11:05 AM CST (17:05 UTC)
Expired: Mar 9, 2006, 12:30 PM CST
In force: 85 min
Issued by: the Storm Prediction Center

All 102 counties

Lamar County, AL, Chicot County, AR, Acadia Parish, LA, Allen Parish, LA, Ascension Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Caldwell Parish, LA, Cameron Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Baton Rouge Parish, LA, East Carroll Parish, LA, East Feliciana Parish, LA, Evangeline Parish, LA, Franklin Parish, LA, Grant Parish, LA, Iberville Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, LaSalle Parish, LA, Livingston Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Pointe Coupee Parish, LA, Rapides Parish, LA, Richland Parish, LA, Saint Helena Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Tangipahoa Parish, LA, Tensas Parish, LA, Vermilion 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, Clay County, MS, Coahoma County, MS, Copiah County, MS, Covington County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Itawamba County, MS, Jefferson County, MS, Jefferson Davis County, MS, Kemper County, MS, Lafayette County, MS, Lawrence County, MS, Leake County, MS, Lee County, MS, Leflore County, MS, Lincoln County, MS, Lowndes County, MS, Madison 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, Orange County, TX

The radar

The Jackson/Brandon,MS radar (KDGX), 119 km from the middle of the area, began a volume at 17:08 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.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 5.1 hours before the alert went out and 110 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: 37 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 717 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 237 m²/s²
0-3 km storm-relative helicity: 320 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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
Mar 9, 1:52 PM CST	Mesoscale Discussion	SPC	Bibb, Blount, Choctaw, Colbert, Cullman, Fayette and 20 more	83 min
Mar 9, 2:40 PM CST	Severe Thunderstorm Watch	SPC	Bibb, Blount, Chilton, Colbert, Cullman, Dallas and 25 more	6 hr
Mar 9, 3:51 PM CST	Mesoscale Discussion	SPC	Colbert, Franklin, Lamar	54 min
Mar 9, 4:54 PM CST	Mesoscale Discussion	SPC	Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 33 more	36 min
Mar 9, 5:43 PM CST	Mesoscale Discussion	SPC	Baldwin, Choctaw, Clarke, Mobile, Washington	32 min
Mar 9, 1:14 AM CST	Severe Thunderstorm Watch	SPC	Baxter, Benton, Boone, Carroll, Cleburne, Crawford and 16 more	6 hr
Mar 9, 1:36 AM CST	Tornado Watch	SPC	Arkansas, Bradley, Calhoun, Clark, Cleveland, Columbia and 33 more	5 hr
Mar 9, 1:57 AM CST	Mesoscale Discussion	SPC	Polk, Scott, Sebastian	63 min
Mar 9, 5:48 AM CST	Tornado Watch	SPC	Ashley, Chicot, Columbia, Hempstead, Howard, Lafayette and 5 more	6 hr
Mar 9, 6:10 AM CST	Mesoscale Discussion	SPC	Baxter, Benton, Boone, Carroll, Clay, Cleburne and 30 more	95 min
Mar 9, 6:52 AM CST	Tornado Watch	SPC	Arkansas, Bradley, Calhoun, Clark, Clay, Cleburne and 39 more	6 hr
Mar 9, 10:30 AM CST	Mesoscale Discussion	SPC	Arkansas, Bradley, Clay, Cleveland, Craighead, Crittenden and 18 more	2 hr
Mar 9, 10:34 AM CST	Mesoscale Discussion	SPC	Benton, Boone, Carroll, Crawford, Franklin, Johnson and 7 more	116 min
Mar 9, 11:29 AM CST	Tornado Watch	SPC	Chicot	7 hr
Mar 9, 12:30 PM CST	Severe Thunderstorm Watch	SPC	Baxter, Benton, Boone, Carroll, Conway, Crawford and 20 more	6 hr
Mar 9, 1:55 PM CST	Mesoscale Discussion	SPC	Clark, Cleburne, Faulkner, Fulton, Grant, Hot Spring and 14 more	2 hr
Mar 9, 3:06 PM CST	Mesoscale Discussion	SPC	Baxter, Boone, Conway, Marion, Newton, Perry and 3 more	84 min
Mar 9, 4:44 PM CST	Mesoscale Discussion	SPC	Clay, Craighead, Greene, Lawrence, Mississippi, Poinsett and 1 more	61 min
Mar 9, 5:18 PM CST	Tornado Watch	SPC	Clay, Craighead, Greene, Mississippi	3 hr
Mar 9, 5:14 AM CST	Mesoscale Discussion	SPC	Acadia, Allen, Avoyelles, Beauregard, Bienville, Bossier and 29 more	91 min
Mar 8, 8:22 PM CST	Mesoscale Discussion	SPC	Archer, Baylor, Callahan, Clay, Cooke, Denton and 16 more	53 min
Mar 8, 10:51 PM CST	Mesoscale Discussion	SPC	Archer, Baylor, Callahan, Camp, Clay, Collin and 40 more	24 min
Mar 8, 11:02 PM CST	Mesoscale Discussion	SPC	Atascosa, Bandera, Bastrop, Bell, Bexar, Blanco and 32 more	88 min
Mar 8, 11:25 PM CST	Tornado Watch	SPC	Anderson, Bastrop, Bell, Bexar, Blanco, Burnet and 31 more	7 hr
Mar 8, 11:42 PM CST	Tornado Watch	SPC	Archer, Baylor, Camp, Clay, Collin, Cooke and 17 more	6 hr

Nearby

Mesoscale Discussions in Mississippi, 2006 Mesoscale Discussions in Louisiana, 2006 Mesoscale Discussions in Alabama, 2006 Every mesoscale discussion in 2006

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.