Alert archive / Kentucky / Mesoscale Discussions in 2011
Mesoscale Discussion 169
The Storm Prediction Center issued this mesoscale discussion at Feb 28, 2011, 5:31 AM EST for 4 states. It was in force for 29 min.
The area
The outline as issued.
The facts
- Issued
- Feb 28, 2011, 5:31 AM EST (10:31 UTC)
- Expired
- Feb 28, 2011, 6:00 AM EST
- In force
- 29 min
- Issued by
- the Storm Prediction Center
All 98 counties
Bath County, KY, Boyd County, KY, Breathitt County, KY, Carter County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fleming County, KY, Floyd County, KY, Greenup County, KY, Harlan County, KY, Jackson County, KY, Johnson 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, Magoffin County, KY, Martin County, KY, McCreary County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Rowan County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Athens County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Gallia County, OH, Guernsey County, OH, Harrison County, OH, Hocking County, OH, Jackson County, OH, Jefferson County, OH, Lawrence County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pike County, OH, Scioto County, OH, Tuscarawas County, OH, Vinton County, OH, Washington County, OH, Allegheny County, PA, Beaver County, PA, Fayette County, PA, Greene County, PA, Lawrence County, PA, Washington County, PA, Boone County, WV, Braxton County, WV, Brooke County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Hancock County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Logan County, WV, Marion County, WV, Marshall County, WV, Mason County, WV, Mingo County, WV, Monongalia County, WV, Ohio County, WV, Pleasants County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tyler County, WV, Wayne County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 81 km from the middle of the area, began a volume at 10:35 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 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 00:00Z, 10.5 hours before the alert went out and 178 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
- 539 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 325 m²/s²
- 0-3 km storm-relative helicity
- 380 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| Feb 27, 9:25 PM EST | Mesoscale Discussion | SPC | Ballard, Crittenden, Henderson, Livingston, McCracken, Union | 65 min |
| Feb 28, 1:28 AM EST | Mesoscale Discussion | SPC | Boone, Bracken, Campbell, Carroll, Gallatin, Grant and 4 more | 32 min |
| Feb 28, 1:40 AM EST | Tornado Watch | SPC | Boone, Bracken, Campbell, Carroll, Gallatin, Grant and 6 more | 6 hr |
| Feb 28, 2:05 AM EST | Mesoscale Discussion | SPC | Ballard, Breckinridge, Butler, Caldwell, Calloway, Carlisle and 23 more | 25 min |
| Feb 28, 2:33 AM EST | Tornado Watch | SPC | Adair, Allen, Anderson, Ballard, Barren, Bourbon and 65 more | 7 hr |
| Feb 28, 3:32 AM EST | Mesoscale Discussion | SPC | Boone, Campbell, Kenton | 58 min |
| Feb 28, 4:25 AM EST | Mesoscale Discussion | SPC | Anderson, Bourbon, Bracken, Breckinridge, Bullitt, Carroll and 28 more | 65 min |
| Feb 28, 5:47 AM EST | Tornado Watch | SPC | Bath, Bell, Boyd, Breathitt, Carter, Clay and 31 more | 5 hr |
| Feb 28, 8:36 AM EST | Mesoscale Discussion | SPC | Berkeley, Grant, Greenbrier, Hampshire, Hardy, Jefferson and 7 more | 24 min |
| Feb 28, 8:57 AM EST | Tornado Watch | SPC | Berkeley, Grant, Greenbrier, Hampshire, Hardy, Jefferson and 6 more | 9 hr |
Nearby
Mesoscale Discussions in Kentucky, 2011Mesoscale Discussions in West Virginia, 2011Mesoscale Discussions in Ohio, 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.