Alert archive / Tennessee / Mesoscale Discussions in 2006

Mesoscale Discussion 9

January 2, 20067 states

The Storm Prediction Center issued this mesoscale discussion at Jan 2, 2006, 3:01 AM CST for 7 states. It was in force for 59 min.

The area

The outline as issued.

The facts

Issued
Jan 2, 2006, 3:01 AM CST (09:01 UTC)
Expired
Jan 2, 2006, 4:00 AM CST
In force
59 min
Issued by
the Storm Prediction Center
All 103 counties

Colbert County, AL, Lauderdale County, AL, Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, St. Francis County, AR, Alexander County, IL, Gallatin County, IL, Hardin County, IL, Johnson County, IL, Massac County, IL, Pope County, IL, Pulaski County, IL, Saline County, IL, Union County, IL, Williamson County, IL, Ballard County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Fulton County, KY, Graves County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Muhlenberg County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Webster County, KY, 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, Calhoun County, MS, Chickasaw County, MS, Coahoma County, MS, DeSoto County, MS, Grenada County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Marshall County, MS, Monroe County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Tallahatchie 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, 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, 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

The radar

The Memphis radar (KNQA), 51 km from the middle of the area, began a volume at 09:04 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, 9.0 hours before the alert went out and 97 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 2006-01-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 334 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 2006-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 256 square meters per square second.19395878Sfc1 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
334 J/kg
Mixed-layer CIN
-153 J/kg
Mixed-layer LCL
893 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
256 m²/s²
0-3 km storm-relative helicity
322 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

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
Jan 1, 8:26 PM CSTMesoscale DiscussionSPCBarbour, Butler, Coffee, Conecuh, Covington, Crenshaw and 7 more2 hr
Jan 2, 6:45 AM CSTMesoscale DiscussionSPCCoffee, Covington, Dale, Geneva, Houston30 min
Jan 2, 7:10 AM CSTTornado WatchSPCBarbour, Butler, Coffee, Conecuh, Covington, Crenshaw and 6 more5 hr
Jan 2, 9:47 AM CSTMesoscale DiscussionSPCAutauga, Bibb, Blount, Bullock, Calhoun, Chambers and 23 more88 min
Jan 2, 11:11 AM CSTMesoscale DiscussionSPCColbert, DeKalb, Franklin, Jackson, Lauderdale, Lawrence and 3 more94 min
Jan 2, 3:20 PM CSTMesoscale DiscussionSPCCalhoun, Chambers, Cherokee, Clay, Cleburne, Etowah and 6 more85 min
Jan 1, 7:55 PM CSTMesoscale DiscussionSPCBaxter, Boone, Clay, Cleburne, Craighead, Cross and 13 more2 hr
Jan 1, 10:55 PM CSTTornado WatchSPCCraighead, Crittenden, Cross, Lee, Mississippi, Phillips and 2 more7 hr
Jan 2, 7:57 AM CSTMesoscale DiscussionSPCCrittenden, Mississippi93 min
Jan 2, 1:25 AM CSTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Clinton and 14 more95 min
Jan 2, 2:15 AM CSTTornado WatchSPCBond, Calhoun, Christian, Clay, Clinton, Edwards and 25 more7 hr
Jan 2, 4:31 AM CSTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 47 more59 min
Jan 2, 5:38 AM CSTTornado WatchSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more6 hr
Jan 2, 7:14 AM CSTMesoscale DiscussionSPCBond, Cass, Champaign, Christian, Clark, Clay and 30 more31 min
Jan 2, 7:35 AM CSTTornado WatchSPCChampaign, Clark, Clay, Coles, Crawford, Cumberland and 12 more4 hr
Jan 2, 10:21 AM CSTMesoscale DiscussionSPCClark, Crawford, Edgar, Jasper, Lawrence, Richland and 1 more84 min
Jan 2, 11:30 AM CSTMesoscale DiscussionSPCAdair, Allen, Anderson, Barren, Breckinridge, Bullitt and 37 more90 min
Jan 2, 11:59 AM CSTSevere Thunderstorm WatchSPCAdair, Allen, Anderson, Barren, Boyle, Breckinridge and 41 more7 hr
Jan 2, 2:53 PM CSTMesoscale DiscussionSPCAdair, Allen, Anderson, Barren, Boyle, Breckinridge and 35 more97 min
Jan 2, 3:11 PM CSTSevere Thunderstorm WatchSPCBath, Bourbon, Clark, Estill, Fayette, Fleming and 22 more4 hr
Jan 2, 4:55 PM CSTMesoscale DiscussionSPCBath, Bell, Boyd, Breathitt, Carter, Clark and 32 more95 min
Jan 2, 5:08 PM CSTSevere Thunderstorm WatchSPCBell, Boyd, Breathitt, Carter, Clay, Elliott and 14 more5 hr

Nearby

Mesoscale Discussions in Tennessee, 2006Mesoscale Discussions in Mississippi, 2006Mesoscale Discussions in Kentucky, 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.