Alert archive / Tennessee / Mesoscale Discussions in 2011
Mesoscale Discussion 1292
The Storm Prediction Center issued this mesoscale discussion at Jun 19, 2011, 7:51 AM CDT for 15 counties in Kentucky; Cherokee County, Graham County, Swain County, North Carolina; 55 counties in Tennessee. It was in force for 114 min.
The area
The outline as issued.
The facts
- Issued
- Jun 19, 2011, 7:51 AM CDT (12:51 UTC)
- Expired
- Jun 19, 2011, 9:45 AM CDT
- In force
- 114 min
- Issued by
- the Storm Prediction Center
All 73 counties
Adair County, KY, Allen County, KY, Barren County, KY, Casey County, KY, Clinton County, KY, Cumberland County, KY, Green County, KY, McCreary County, KY, Metcalfe County, KY, Monroe County, KY, Pulaski County, KY, Russell County, KY, Taylor County, KY, Wayne County, KY, Whitley County, KY, Cherokee County, NC, Graham County, NC, Swain County, NC, Anderson County, TN, Bedford County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Cannon County, TN, Cheatham County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Franklin County, TN, Grundy County, TN, Hamilton County, TN, Hickman County, TN, Humphreys County, TN, Jackson County, TN, Knox County, TN, Lewis County, TN, Loudon County, TN, Macon County, TN, Marion County, TN, Marshall County, TN, Maury County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Moore County, TN, Morgan County, TN, Overton County, TN, Perry County, TN, Pickett County, TN, Polk County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Robertson County, TN, Rutherford County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, White County, TN, Williamson County, TN, Wilson County, TN
The radar
The Nashville radar (KOHX), 57 km from the middle of the area, began a volume at 12:55 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 nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 0.9 hours before the alert went out and 58 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.
- Mixed-layer CAPE
- 1891 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 255 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 2:14 AM CDT | Mesoscale Discussion | SPC | Ballard, Breckinridge, Butler, Caldwell, Calloway, Carlisle and 22 more | 61 min |
| Jun 19, 2:55 AM CDT | Tornado Watch | SPC | Adair, Allen, Ballard, Barren, Breckinridge, Bullitt and 47 more | 6 hr |
| Jun 19, 4:39 AM CDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Ballard, Barren, Breckinridge and 48 more | 66 min |
| Jun 19, 5:46 AM CDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Ballard, Barren, Breckinridge and 51 more | 59 min |
| Jun 19, 12:23 PM CDT | Mesoscale Discussion | SPC | Adair, Bell, Casey, Clinton, Cumberland, Knox and 9 more | 67 min |
| Jun 19, 12:52 PM CDT | Tornado Watch | SPC | Allen, Bell, Clinton, Cumberland, Knox, Logan and 5 more | 8 hr |
| Jun 19, 3:12 PM CDT | Mesoscale Discussion | SPC | Clinton, Cumberland, Knox, McCreary, Monroe, Wayne and 1 more | 2 hr |
| Jun 19, 4:30 PM CDT | Mesoscale Discussion | SPC | Allen, Ballard, Barren, Caldwell, Calloway, Carlisle and 20 more | 30 min |
| Jun 19, 5:01 PM CDT | Tornado Watch | SPC | Allen, Ballard, Barren, Caldwell, Calloway, Carlisle and 16 more | 5 hr |
| Jun 19, 6:18 PM CDT | Mesoscale Discussion | SPC | Allen, Clinton, Cumberland, Logan, McCreary, Monroe and 4 more | 57 min |
| Jun 19, 12:29 PM CDT | Mesoscale Discussion | SPC | Anson, Bladen, Burke, Cabarrus, Catawba, Cleveland and 16 more | 61 min |
| Jun 19, 1:22 PM CDT | Severe Thunderstorm Watch | SPC | Anson, Bladen, Brunswick, Buncombe, Burke, Cabarrus and 36 more | 5 hr |
| Jun 19, 3:13 PM CDT | Mesoscale Discussion | SPC | Anson, Bladen, Brunswick, Buncombe, Burke, Cabarrus and 35 more | 62 min |
Nearby
Mesoscale Discussions in Tennessee, 2011Mesoscale Discussions in Kentucky, 2011Mesoscale Discussions in North Carolina, 2011Every mesoscale discussion in 2011
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.