Alert archive / Tennessee / Mesoscale Discussions in 2016
Mesoscale Discussion 1219
The Storm Prediction Center issued this mesoscale discussion at Jul 8, 2016, 7:34 PM CDT for 13 counties in Kentucky; 31 counties in Tennessee. It was in force for 56 min.
The area
The outline as issued.
The facts
- Issued
- Jul 8, 2016, 7:34 PM CDT (00:34 UTC)
- Expired
- Jul 8, 2016, 8:30 PM CDT
- In force
- 56 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 44 counties
Allen County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Christian County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, Muhlenberg County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Bedford County, TN, Benton County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Davidson County, TN, Decatur County, TN, Dickson County, TN, Giles County, TN, Hardin County, TN, Henderson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Lawrence County, TN, Lewis County, TN, Macon County, TN, Madison County, TN, Marshall County, TN, Maury County, TN, Montgomery County, TN, Perry County, TN, Robertson County, TN, Rutherford County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Wayne County, TN, Williamson County, TN, Wilson County, TN
The radar
The Ft Campbell radar (KHPX), 43 km from the middle of the area, began a volume at 00:34 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 00:00Z, 0.6 hours before the alert went out and 82 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
- 2167 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1438 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 8, 8:22 PM CDT | Severe Thunderstorm Watch | SPC | Bedford, Cannon, Cheatham, Coffee, Davidson, DeKalb and 16 more | 3 hr |
Nearby
Mesoscale Discussions in Tennessee, 2016Mesoscale Discussions in Kentucky, 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.