Alert archive / Kentucky / Mesoscale Discussions in 2011
Mesoscale Discussion 1845
The Storm Prediction Center issued this mesoscale discussion at Aug 3, 2011, 6:43 PM CDT for 55 counties in Kentucky; Mississippi County, New Madrid County, Missouri; 31 counties in Tennessee. It was in force for 62 min.
The area
The outline as issued.
The facts
- Issued
- Aug 3, 2011, 6:43 PM CDT (23:43 UTC)
- Expired
- Aug 3, 2011, 7:45 PM CDT
- In force
- 62 min
- Issued by
- the Storm Prediction Center
All 88 counties
Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Boyle County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Casey County, KY, Christian County, KY, Clinton County, KY, Cumberland County, KY, Daviess County, KY, Edmonson County, KY, Fulton County, KY, Garrard County, KY, Graves County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Hart County, KY, Hickman County, KY, Hopkins County, KY, Jessamine County, KY, Larue County, KY, Lincoln County, KY, Logan County, KY, Lyon County, KY, Madison County, KY, Marion County, KY, Marshall County, KY, McCreary County, KY, McLean County, KY, Meade County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Nelson County, KY, Ohio County, KY, Pulaski County, KY, Rockcastle County, KY, Russell County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Washington County, KY, Wayne County, KY, Mississippi County, MO, New Madrid County, MO, Benton County, TN, Carroll County, TN, Cheatham County, TN, Clay County, TN, Davidson County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Gibson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lake County, TN, Macon County, TN, Montgomery County, TN, Obion County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Robertson County, TN, Rutherford County, TN, Scott County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Weakley County, TN, Williamson County, TN, Wilson County, TN
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 11.7 hours before the alert went out and 111 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
- 716 J/kg
- Mixed-layer CIN
- -276 J/kg
- Mixed-layer LCL
- 1509 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 163 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| Aug 3, 12:48 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Campbell, Carroll, Gallatin, Grant, Kenton and 2 more | 8 hr |
| Aug 3, 3:28 AM CDT | Mesoscale Discussion | SPC | Boyd, Greenup, Lewis | 92 min |
| Aug 3, 7:21 AM CDT | Mesoscale Discussion | SPC | Boyd, Greenup, Lewis | 84 min |
| Aug 3, 9:01 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Anderson, Bath, Bell, Boyle, Breathitt and 47 more | 7 hr |
| Aug 3, 12:26 PM CDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Bell, Boyle, Breckinridge and 51 more | 64 min |
| Aug 3, 4:02 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Allen, Anderson, Barren, Bourbon, Boyle and 46 more | 6 hr |
| Aug 3, 2:29 PM CDT | Mesoscale Discussion | SPC | Barry, Jasper, McDonald, Newton, Stone, Taney | 91 min |
Nearby
Mesoscale Discussions in Kentucky, 2011Mesoscale Discussions in Tennessee, 2011Mesoscale Discussions in Missouri, 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.