Alert archive / Tennessee / Mesoscale Discussions in 2006

Mesoscale Discussion 14

January 2, 20066 states

The Storm Prediction Center issued this mesoscale discussion at Jan 2, 2006, 7:57 AM CST for 6 states. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued: Jan 2, 2006, 7:57 AM CST (13:57 UTC)
Expired: Jan 2, 2006, 9:30 AM CST
In force: 93 min
Issued by: the Storm Prediction Center

All 91 counties

Crittenden County, AR, Mississippi County, AR, Alexander County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Massac County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Gibson County, IN, Pike County, IN, Posey County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, 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, Cape Girardeau County, MO, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Perry County, MO, Scott County, MO, 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, Giles 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, Maury 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, Williamson County, TN

The radar

The Paducah radar (KPAH), 50 km from the middle of the area, began a volume at 14:00 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.

Severe Thunderstorm Watch 7Jan 2, 11:55 AM CST

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 2.0 hours before the alert went out and 231 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: 572 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 669 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 317 m²/s²
0-3 km storm-relative helicity: 302 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 4.5

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
Jan 1, 7:55 PM CST	Mesoscale Discussion	SPC	Baxter, Boone, Clay, Cleburne, Craighead, Cross and 13 more	2 hr
Jan 1, 10:55 PM CST	Tornado Watch	SPC	Craighead, Crittenden, Cross, Lee, Mississippi, Phillips and 2 more	7 hr
Jan 2, 3:01 AM CST	Mesoscale Discussion	SPC	Clay, Craighead, Crittenden, Cross, Greene, Lee and 4 more	59 min
Jan 2, 1:25 AM CST	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Clinton and 14 more	95 min
Jan 2, 2:15 AM CST	Tornado Watch	SPC	Bond, Calhoun, Christian, Clay, Clinton, Edwards and 25 more	7 hr
Jan 2, 4:31 AM CST	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Christian and 47 more	59 min
Jan 2, 5:38 AM CST	Tornado Watch	SPC	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	6 hr
Jan 2, 7:14 AM CST	Mesoscale Discussion	SPC	Bond, Cass, Champaign, Christian, Clark, Clay and 30 more	31 min
Jan 2, 7:35 AM CST	Tornado Watch	SPC	Champaign, Clark, Clay, Coles, Crawford, Cumberland and 12 more	4 hr
Jan 2, 10:21 AM CST	Mesoscale Discussion	SPC	Clark, Crawford, Edgar, Jasper, Lawrence, Richland and 1 more	84 min
Jan 2, 11:30 AM CST	Mesoscale Discussion	SPC	Bartholomew, Brown, Clark, Clay, Crawford, Daviess and 32 more	90 min
Jan 2, 11:59 AM CST	Severe Thunderstorm Watch	SPC	Bartholomew, Boone, Brown, Clark, Clay, Crawford and 41 more	7 hr
Jan 2, 12:28 PM CST	Mesoscale Discussion	SPC	Adams, Allen, Blackford, Carroll, Cass, Clinton and 21 more	92 min
Jan 2, 2:53 PM CST	Mesoscale Discussion	SPC	Bartholomew, Boone, Brown, Clark, Clay, Crawford and 39 more	97 min
Jan 2, 3:11 PM CST	Severe Thunderstorm Watch	SPC	Bath, Bourbon, Clark, Estill, Fayette, Fleming and 22 more	4 hr
Jan 2, 4:55 PM CST	Mesoscale Discussion	SPC	Bath, Bell, Boyd, Breathitt, Carter, Clark and 32 more	95 min
Jan 2, 5:08 PM CST	Severe Thunderstorm Watch	SPC	Bell, Boyd, Breathitt, Carter, Clay, Elliott and 14 more	5 hr
Jan 2, 9:47 AM CST	Mesoscale Discussion	SPC	Franklin, Hamilton, Marion	88 min
Jan 2, 11:11 AM CST	Mesoscale Discussion	SPC	Bedford, Benton, Cannon, Cheatham, Clay, Coffee and 38 more	94 min

Nearby

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