Alert archive / Kentucky / Mesoscale Discussions in 2011
Mesoscale Discussion 1416
The Storm Prediction Center issued this mesoscale discussion at Jun 27, 2011, 11:30 AM CDT for 6 states. It was in force for 90 min.
The area
The outline as issued.
The facts
- Issued
- Jun 27, 2011, 11:30 AM CDT (16:30 UTC)
- Expired
- Jun 27, 2011, 1:00 PM CDT
- In force
- 90 min
- Issued by
- the Storm Prediction Center
All 109 counties
Mississippi County, AR, Hardin County, IL, Massac County, IL, Pope County, IL, Perry County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, Adair County, KY, Allen County, KY, Ballard 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, Crittenden 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, Henderson County, KY, Hickman 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, McCracken 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, Russell County, KY, Simpson County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Warren County, KY, Washington County, KY, Wayne County, KY, Webster County, KY, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Benton County, TN, Cannon County, TN, Carroll County, TN, Cheatham County, TN, Clay County, TN, Crockett County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Dyer 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, Lake County, TN, Lauderdale County, TN, Lewis County, TN, Macon County, TN, Madison County, TN, Maury County, TN, Montgomery County, TN, Obion 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, Weakley County, TN, White County, TN, Williamson County, TN, Wilson County, TN
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, 4.5 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
- 708 J/kg
- Mixed-layer CIN
- -128 J/kg
- Mixed-layer LCL
- 1058 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
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 27, 3:54 PM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Carroll, Fulton, Marion | 2 hr |
| Jun 26, 7:12 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 35 more | 6 hr |
| Jun 26, 10:02 PM CDT | Severe Thunderstorm Watch | SPC | Hancock, Henderson, McDonough, Mercer, Rock Island, Warren | 5 hr |
| Jun 27, 12:58 AM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 48 more | 92 min |
| Jun 27, 1:32 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 43 more | 7 hr |
| Jun 27, 3:14 AM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Champaign, Clark, Clay, Clinton and 39 more | 91 min |
| Jun 27, 5:38 AM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 35 more | 97 min |
| Jun 27, 12:01 PM CDT | Severe Thunderstorm Watch | SPC | Perry, Spencer, Vanderburgh, Warrick | 4 hr |
| Jun 27, 2:20 PM CDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Boyle, Breckinridge and 35 more | 55 min |
| Jun 27, 3:17 PM CDT | Mesoscale Discussion | SPC | Bell, Breathitt, Clay, Estill, Floyd, Harlan and 21 more | 88 min |
| Jun 26, 10:06 PM CDT | Mesoscale Discussion | SPC | Adair, Andrew, Audrain, Boone, Buchanan, Caldwell and 29 more | 84 min |
Nearby
Mesoscale Discussions in Kentucky, 2011Mesoscale Discussions in Tennessee, 2011Mesoscale Discussions in Indiana, 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.