Alert archive / Kentucky / Mesoscale Discussions in 2011
Mesoscale Discussion 346
The Storm Prediction Center issued this mesoscale discussion at Apr 4, 2011, 1:25 PM CDT for 5 states. It was in force for 65 min.
The area
The outline as issued.
The facts
- Issued
- Apr 4, 2011, 1:25 PM CDT (18:25 UTC)
- Expired
- Apr 4, 2011, 2:30 PM CDT
- In force
- 65 min
- Issued by
- the Storm Prediction Center
All 92 counties
Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bell County, KY, Bourbon County, KY, Boyd County, KY, Boyle County, KY, Bracken County, KY, Breathitt County, KY, Carter County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Franklin County, KY, Garrard County, KY, Grant County, KY, Green County, KY, Greenup County, KY, Harlan County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Larue County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Martin County, KY, Mason County, KY, McCreary County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Morgan County, KY, Nelson County, KY, Nicholas County, KY, Owen County, KY, Owsley County, KY, Pendleton County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Pulaski County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Taylor County, KY, Warren County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Adams County, OH, Brown County, OH, Lawrence County, OH, Scioto County, OH, Clay County, TN, Pickett County, TN, Lee County, VA, Wise County, VA, Cabell County, WV, Lincoln County, WV, Mingo County, WV, Wayne County, WV
The radar
The Jackson,KY radar (KJKL), 87 km from the middle of the area, began a volume at 18:25 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.4 hours before the alert went out and 228 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
- 6 J/kg
- Mixed-layer CIN
- -333 J/kg
- Mixed-layer LCL
- 1160 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 324 m²/s²
- 0-3 km storm-relative helicity
- 410 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 4, 4:30 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Campbell, Kenton | 8 hr |
| Apr 4, 6:53 AM CDT | Mesoscale Discussion | SPC | Boone, Breckinridge, Caldwell, Carroll, Crittenden, Daviess and 16 more | 2 hr |
| Apr 4, 7:22 AM CDT | Tornado Watch | SPC | Ballard, Breckinridge, Butler, Caldwell, Calloway, Carlisle and 24 more | 7 hr |
| Apr 4, 11:34 AM CDT | Tornado Watch | SPC | Adair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more | 5 hr |
| Apr 4, 11:50 AM CDT | Mesoscale Discussion | SPC | Boone, Campbell, Kenton | 25 min |
| Apr 4, 2:05 PM CDT | Severe Thunderstorm Watch | SPC | Bath, Bell, Boyd, Breathitt, Carter, Clay and 33 more | 6 hr |
| Apr 4, 2:08 PM CDT | Mesoscale Discussion | SPC | Allen, Clinton, Cumberland, McCreary, Monroe, Russell and 2 more | 67 min |
| Apr 4, 3:49 PM CDT | Mesoscale Discussion | SPC | Bell, Boyd, Breathitt, Carter, Clay, Elliott and 21 more | 56 min |
| Apr 4, 5:00 PM CDT | Mesoscale Discussion | SPC | Bell, Boyd, Breathitt, Clay, Floyd, Harlan and 12 more | 90 min |
| Apr 4, 4:20 AM CDT | Mesoscale Discussion | SPC | Allen, Auglaize, Butler, Champaign, Crawford, Darke and 21 more | 25 min |
| Apr 4, 3:12 PM CDT | Mesoscale Discussion | SPC | Athens, Belmont, Carroll, Columbiana, Coshocton, Guernsey and 12 more | 63 min |
| Apr 4, 10:25 AM CDT | Mesoscale Discussion | SPC | Bedford, Cannon, Cheatham, Davidson, Decatur, Dickson and 19 more | 2 hr |
| Apr 4, 1:03 PM CDT | Tornado Watch | SPC | Franklin, Lincoln, Moore | 7 hr |
Nearby
Mesoscale Discussions in Kentucky, 2011Mesoscale Discussions in Ohio, 2011Mesoscale Discussions in West Virginia, 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; radar from the NEXRAD Level II archive.