Alert archive / Kentucky / Mesoscale Discussions in 2006
Mesoscale Discussion 581
The Storm Prediction Center issued this mesoscale discussion at Apr 20, 2006, 12:24 PM EDT for 6 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 20, 2006, 12:24 PM EDT (16:24 UTC)
- Expired
- Apr 20, 2006, 2:30 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 145 counties
Bath County, KY, Bell County, KY, Bourbon County, KY, Boyd County, KY, Bracken County, KY, Breathitt County, KY, Campbell County, KY, Carter County, KY, Clark County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Grant County, KY, Greenup County, KY, Harlan County, KY, Harrison County, KY, Jackson County, KY, Johnson County, KY, Kenton County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lewis County, KY, Madison County, KY, Magoffin County, KY, Martin County, KY, Mason County, KY, McCreary County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Owsley County, KY, Pendleton County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Scott County, KY, Whitley County, KY, Wolfe County, KY, Alleghany County, NC, Ashe County, NC, Avery County, NC, Buncombe County, NC, Cherokee County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Swain County, NC, Transylvania County, NC, Watauga County, NC, Yancey County, NC, Adams County, OH, Athens County, OH, Brown County, OH, Clermont County, OH, Gallia County, OH, Hamilton County, OH, Highland County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Anderson County, TN, Blount County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Loudon County, TN, McMinn County, TN, Monroe County, TN, Morgan County, TN, Roane County, TN, Scott County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, Bland County, VA, Buchanan County, VA, City of Bristol, VA, City of Galax, VA, City of Norton, VA, Dickenson County, VA, Giles County, VA, Grayson County, VA, Lee County, VA, Pulaski County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, Wythe County, VA, Boone County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Fayette County, WV, Jackson County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, McDowell County, WV, Mercer County, WV, Mingo County, WV, Nicholas County, WV, Putnam County, WV, Raleigh County, WV, Roane County, WV, Summers County, WV, Wayne County, WV, Wirt County, WV, Wood County, WV, Wyoming County, WV
The radar
The Jackson,KY radar (KJKL), 32 km from the middle of the area, began a volume at 16:28 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 4.4 hours before the alert went out and 241 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2475 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Apr 20, 5:22 AM EDT | Mesoscale Discussion | SPC | Allen, Barren, Butler, Caldwell, Calloway, Christian and 18 more | 113 min |
| Apr 20, 2:53 PM EDT | Mesoscale Discussion | SPC | Buncombe, Cherokee, Clay, Graham, Haywood, Henderson and 9 more | 2 hr |
| Apr 20, 12:38 PM EDT | Severe Thunderstorm Watch | SPC | Bedford, Bledsoe, Bradley, Cannon, Coffee, Franklin and 18 more | 7 hr |
| Apr 20, 2:38 PM EDT | Mesoscale Discussion | SPC | Bedford, Bledsoe, Coffee, Franklin, Giles, Grundy and 9 more | 2 hr |
| Apr 20, 4:40 PM EDT | Mesoscale Discussion | SPC | Franklin, Giles, Grundy, Hamilton, Lawrence, Lincoln and 5 more | 2 hr |
| Apr 20, 5:15 PM EDT | Mesoscale Discussion | SPC | Chester, Crockett, Fayette, Hardeman, Hardin, Haywood and 3 more | 2 hr |
Nearby
Mesoscale Discussions in Kentucky, 2006Mesoscale Discussions in Tennessee, 2006Mesoscale Discussions in West Virginia, 2006Every mesoscale discussion in 2006
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.