Alert archive / Tennessee / Mesoscale Discussions in 2016
Mesoscale Discussion 1194
The Storm Prediction Center issued this mesoscale discussion at Jul 7, 2016, 6:37 PM EDT for 6 states. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- Jul 7, 2016, 6:37 PM EDT (22:37 UTC)
- Expired
- Jul 7, 2016, 7:30 PM EDT
- In force
- 53 min
- Issued by
- the Storm Prediction Center
All 72 counties
Banks County, GA, Bartow County, GA, Catoosa County, GA, Cherokee County, GA, Dade County, GA, Dawson County, GA, Fannin County, GA, Forsyth County, GA, Gilmer County, GA, Gordon County, GA, Habersham County, GA, Hall County, GA, Lumpkin County, GA, Murray County, GA, Pickens County, GA, Rabun County, GA, Stephens County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA, Bell County, KY, Clay County, KY, Harlan County, KY, Knox County, KY, Laurel County, KY, Leslie County, KY, Whitley County, KY, Cherokee County, NC, Clay County, NC, Graham County, NC, Haywood County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, Swain County, NC, Transylvania County, NC, Oconee County, SC, Pickens County, SC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Union County, TN, Van Buren County, TN, Washington County, TN, Lee County, VA, Scott County, VA
The radar
The Knoxville radar (KMRX), 84 km from the middle of the area, began a volume at 22:40 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
Nashville Metro, TN (KBNA), launched 12:00Z, 10.6 hours before the alert went out and 237 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
- 649 J/kg
- Mixed-layer CIN
- -143 J/kg
- Mixed-layer LCL
- 756 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 376 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 1:16 PM EDT | Mesoscale Discussion | SPC | Ballard, Caldwell, Calloway, Carlisle, Crittenden, Daviess and 14 more | 59 min |
| Jul 7, 1:39 PM EDT | Severe Thunderstorm Watch | SPC | Adair, Allen, Anderson, Ballard, Barren, Boyle and 50 more | 4 hr |
| Jul 7, 3:21 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Boyle, Breckinridge, Butler and 37 more | 54 min |
| Jul 7, 4:35 PM EDT | Severe Thunderstorm Watch | SPC | Bell, Breathitt, Clay, Estill, Harlan, Jackson and 13 more | 4 hr |
| Jul 7, 3:42 PM EDT | Mesoscale Discussion | SPC | Anson, Chatham, Cumberland, Durham, Edgecombe, Franklin and 20 more | 63 min |
| Jul 7, 4:14 PM EDT | Severe Thunderstorm Watch | SPC | Anson, Beaufort, Bladen, Brunswick, Columbus, Craven and 27 more | 7 hr |
| Jul 7, 7:21 PM EDT | Severe Thunderstorm Watch | SPC | Buncombe, Graham, Haywood, Henderson, Jackson, Macon and 3 more | 2 hr |
| Jul 7, 7:24 PM EDT | Mesoscale Discussion | SPC | Anson, Beaufort, Bladen, Brunswick, Chatham, Columbus and 30 more | 66 min |
| Jul 7, 2:47 PM EDT | Severe Thunderstorm Watch | SPC | Bedford, Benton, Cannon, Carroll, Cheatham, Clay and 31 more | 4 hr |
Nearby
Mesoscale Discussions in Tennessee, 2016Mesoscale Discussions in Georgia, 2016Mesoscale Discussions in North Carolina, 2016Every mesoscale discussion in 2016
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.