Alert archive / Kentucky / Mesoscale Discussions in 2015
Mesoscale Discussion 238
The Storm Prediction Center issued this mesoscale discussion at Apr 8, 2015, 4:50 PM CDT for 56 counties in Kentucky. It was in force for 115 min.
The area
The outline as issued.
The facts
- Issued
- Apr 8, 2015, 4:50 PM CDT (21:50 UTC)
- Expired
- Apr 8, 2015, 6:45 PM CDT
- In force
- 115 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 56 counties
Adair County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bourbon County, KY, Boyle County, KY, Bracken County, KY, Bullitt County, KY, Carter County, KY, Casey County, KY, Clark County, KY, Edmonson County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Garrard County, KY, Grant County, KY, Grayson County, KY, Green County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Jackson County, KY, Jefferson County, KY, Jessamine County, KY, Larue County, KY, Lee County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Marion County, KY, Mason County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Montgomery County, KY, Morgan County, KY, Nelson County, KY, Nicholas County, KY, Owen County, KY, Pendleton County, KY, Powell County, KY, Pulaski County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Taylor County, KY, Washington County, KY, Wolfe County, KY, Woodford County, KY
The radar
The Louisville radar (KLVX), 106 km from the middle of the area, began a volume at 21:52 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, 9.8 hours before the alert went out and 198 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
- 487 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 711 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 194 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 |
|---|---|---|---|---|
| Apr 7, 7:58 PM CDT | Mesoscale Discussion | SPC | Bell, Breathitt, Clay, Floyd, Harlan, Jackson and 14 more | 62 min |
| Apr 8, 9:16 AM CDT | Mesoscale Discussion | SPC | Bath, Boone, Bourbon, Boyd, Bracken, Campbell and 30 more | 119 min |
| Apr 8, 9:34 AM CDT | Severe Thunderstorm Watch | SPC | Bath, Boone, Bourbon, Boyd, Bracken, Campbell and 20 more | 5 hr |
| Apr 8, 10:52 AM CDT | Mesoscale Discussion | SPC | Bath, Bourbon, Boyd, Bracken, Carter, Elliott and 17 more | 83 min |
| Apr 8, 11:33 AM CDT | Severe Thunderstorm Watch | SPC | Floyd, Johnson, Lawrence, Magoffin, Martin, Menifee and 5 more | 5 hr |
| Apr 8, 12:50 PM CDT | Mesoscale Discussion | SPC | Jefferson, Oldham | 85 min |
| Apr 8, 12:51 PM CDT | Mesoscale Discussion | SPC | Boyd, Breathitt, Carter, Elliott, Floyd, Greenup and 10 more | 84 min |
| Apr 8, 1:55 PM CDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Boyle, Breckinridge and 54 more | 2 hr |
| Apr 8, 2:22 PM CDT | Mesoscale Discussion | SPC | Boyd, Breathitt, Clay, Elliott, Floyd, Johnson and 12 more | 83 min |
Nearby
Mesoscale Discussions in Kentucky, 2015Every mesoscale discussion in 2015
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.