Alert archive / Tennessee / Mesoscale Discussions in 2018
Mesoscale Discussion 96
The Storm Prediction Center issued this mesoscale discussion at Feb 24, 2018, 9:34 PM CST for 40 counties in Kentucky; 46 counties in Tennessee. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Feb 24, 2018, 9:34 PM CST (03:34 UTC)
- Expired
- Feb 24, 2018, 11:00 PM CST
- In force
- 86 min
- Issued by
- the Storm Prediction Center
All 86 counties
Adair County, KY, Allen County, KY, Barren County, KY, Boyle County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Casey County, KY, Christian County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Graves County, KY, Grayson County, KY, Green County, KY, Hardin County, KY, Hart County, KY, Hopkins County, KY, Larue County, KY, Lincoln County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marion County, KY, Marshall County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Nelson County, KY, Ohio County, KY, Pulaski County, KY, Russell County, KY, Simpson County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Washington County, KY, Wayne County, KY, Bedford County, TN, Benton County, TN, Cannon County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Clay County, TN, Coffee County, TN, Crockett County, TN, Cumberland County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Gibson County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lewis County, TN, Macon County, TN, Madison County, TN, Marshall County, TN, Maury County, TN, Montgomery County, TN, Overton County, TN, Perry County, TN, Pickett County, TN, Putnam County, TN, Robertson County, TN, Rutherford County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, Weakley County, TN, White County, TN, Williamson County, TN, Wilson County, TN
The radar
The Nashville radar (KOHX), 43 km from the middle of the area, began a volume at 03:35 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 00:00Z, 3.6 hours before the alert went out and 53 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
- 78 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 1167 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 235 m²/s²
- 0-3 km storm-relative helicity
- 256 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
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 |
|---|---|---|---|---|
| Feb 24, 6:40 PM CST | Mesoscale Discussion | SPC | Adair, Allen, Barren, Boyle, Butler, Caldwell and 34 more | 95 min |
| Feb 24, 8:29 PM CST | Tornado Watch | SPC | Adair, Allen, Barren, Boyle, Butler, Casey and 22 more | 5 hr |
| Feb 24, 9:59 PM CST | Mesoscale Discussion | SPC | Adair, Anderson, Bath, Bourbon, Boyd, Boyle and 56 more | 91 min |
Nearby
Mesoscale Discussions in Tennessee, 2018Mesoscale Discussions in Kentucky, 2018Every mesoscale discussion in 2018
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.