Alert archive / Mississippi / Mesoscale Discussions in 2006

Mesoscale Discussion 2201

November 14, 200619 counties in Arkansas; 36 counties in Mississippi; 7 counties in Tennessee

The Storm Prediction Center issued this mesoscale discussion at Nov 14, 2006, 9:15 PM CST for 19 counties in Arkansas; 36 counties in Mississippi; 7 counties in Tennessee. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Nov 14, 2006, 9:15 PM CST (03:15 UTC)
Expired
Nov 14, 2006, 11:15 PM CST
In force
2 hr
Issued by
the Storm Prediction Center
All 62 counties

Arkansas County, AR, Cleburne County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Faulkner County, AR, Independence County, AR, Jackson County, AR, Lawrence County, AR, Lee County, AR, Lonoke County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, St. Francis County, AR, White County, AR, Woodruff County, AR, Alcorn County, MS, Attala County, MS, Benton County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Clay County, MS, Coahoma County, MS, DeSoto County, MS, Grenada County, MS, Holmes County, MS, Humphreys County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Leflore 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, Tunica County, MS, Union County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Fayette County, TN, Hardeman County, TN, Haywood County, TN, Lauderdale County, TN, McNairy County, TN, Shelby County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 104 km from the middle of the area, began a volume at 03:19 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

Little Rock, AR (KLZK), launched 00:00Z, 3.3 hours before the alert went out and 54 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-pSkew-T log-p diagram, Little Rock, AR at 00:00Z on 2006-11-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 2006-11-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
11 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
519 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
182 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.

IssuedProductOfficeCountiesLasted
Nov 14, 6:46 PM CSTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 39 more119 min
Nov 14, 9:20 PM CSTTornado Watch PDSSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 22 more9 hr
Nov 14, 11:01 PM CSTSevere Thunderstorm WatchSPCCleburne, Conway, Faulkner, Independence, Jackson, Johnson and 16 more7 hr
Nov 14, 11:32 PM CSTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 47 more58 min
Nov 15, 2:16 AM CSTMesoscale DiscussionSPCAshley, Bradley, Calhoun, Chicot, Clark, Cleveland and 15 more119 min
Nov 15, 2:29 AM CSTMesoscale DiscussionSPCCleburne, Conway, Crawford, Crittenden, Cross, Faulkner and 25 more2 hr
Nov 15, 4:30 AM CSTTornado WatchSPCCrittenden, Cross, Lee, Phillips, St. Francis5 hr
Nov 15, 5:31 AM CSTTornado WatchSPCAshley, Chicot4 hr
Nov 14, 10:07 PM CSTMesoscale DiscussionSPCWilkinson83 min
Nov 14, 11:25 PM CSTTornado WatchSPCAdams, Amite, Claiborne, Copiah, Covington, Forrest and 12 more6 hr
Nov 15, 1:30 AM CSTMesoscale DiscussionSPCAttala, Clarke, George, Greene, Hancock, Harrison and 21 more2 hr
Nov 15, 1:59 AM CSTTornado Watch PDSSPCAdams, Amite, Attala, Bolivar, Carroll, Choctaw and 54 more8 hr
Nov 15, 5:55 AM CSTMesoscale DiscussionSPCForrest, George, Greene, Hancock, Harrison, Jackson and 3 more95 min
Nov 15, 7:14 AM CSTMesoscale DiscussionSPCAdams, Alcorn, Amite, Attala, Benton, Calhoun and 54 more2 hr
Nov 15, 9:30 AM CSTMesoscale DiscussionSPCClarke, Covington, Forrest, George, Greene, Hancock and 24 more60 min
Nov 15, 9:54 AM CSTTornado WatchSPCClarke, Covington, Forrest, George, Greene, Hancock and 12 more11 hr
Nov 15, 12:46 PM CSTMesoscale DiscussionSPCAlcorn, Benton, Lafayette, Marshall, Prentiss, Tippah and 2 more119 min
Nov 15, 11:14 AM CSTMesoscale DiscussionSPCBedford, Cannon, Cheatham, Coffee, Davidson, DeKalb and 22 more91 min

Nearby

Mesoscale Discussions in Mississippi, 2006Mesoscale Discussions in Arkansas, 2006Mesoscale Discussions in Tennessee, 2006Every 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.