Alert archive / Kentucky / Mesoscale Discussions in 2015
Mesoscale Discussion 227
The Storm Prediction Center issued this mesoscale discussion at Apr 8, 2015, 10:16 AM EDT for 4 states. It was in force for 119 min.
The area
The outline as issued.
The facts
- Issued
- Apr 8, 2015, 10:16 AM EDT (14:16 UTC)
- Expired
- Apr 8, 2015, 12:15 PM EDT
- In force
- 119 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 80%
All 69 counties
Clark County, IN, Dearborn County, IN, Jefferson County, IN, Jennings County, IN, Ohio County, IN, Ripley County, IN, Scott County, IN, Switzerland County, IN, Bath County, KY, Boone County, KY, Bourbon County, KY, Boyd County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Carter County, KY, Clark County, KY, Elliott County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Henry County, KY, Johnson County, KY, Kenton County, KY, Lawrence County, KY, Lewis County, KY, Mason County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Rowan County, KY, Scott County, KY, Shelby County, KY, Trimble County, KY, Woodford County, KY, Adams County, OH, Brown County, OH, Butler County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Fayette County, OH, Gallia County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Jackson County, OH, Lawrence County, OH, Madison County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Warren County, OH, Cabell County, WV, Wayne County, WV
The radar
The Cincinnati radar (KILN), 67 km from the middle of the area, began a volume at 14:18 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, 2.3 hours before the alert went out and 69 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 8, 8:41 AM EDT | Mesoscale Discussion | SPC | Bartholomew, Brown, Clay, Decatur, Fayette, Franklin and 18 more | 64 min |
| Apr 8, 10:34 AM EDT | Severe Thunderstorm Watch | SPC | Dearborn, Franklin, Jefferson, Ohio, Ripley, Switzerland | 5 hr |
| Apr 8, 1:50 PM EDT | Mesoscale Discussion | SPC | Clark, Clay, Crawford, Daviess, Dubois, Floyd and 14 more | 85 min |
| Apr 8, 2:05 PM EDT | Severe Thunderstorm Watch | SPC | Bartholomew, Boone, Brown, Clark, Clay, Crawford and 41 more | 5 hr |
| Apr 8, 3:43 PM EDT | Mesoscale Discussion | SPC | Bartholomew, Boone, Brown, Clay, Crawford, Daviess and 37 more | 92 min |
| Apr 8, 5:07 PM EDT | Tornado Watch | SPC | Clark, Crawford, Daviess, Dubois, Floyd, Gibson and 16 more | 4 hr |
| Apr 7, 8:58 PM EDT | Mesoscale Discussion | SPC | Bell, Breathitt, Clay, Floyd, Harlan, Jackson and 14 more | 62 min |
| Apr 8, 11:52 AM EDT | Mesoscale Discussion | SPC | Bath, Bourbon, Boyd, Bracken, Carter, Elliott and 17 more | 83 min |
| Apr 8, 12:33 PM EDT | Severe Thunderstorm Watch | SPC | Floyd, Johnson, Lawrence, Magoffin, Martin, Menifee and 5 more | 5 hr |
| Apr 8, 1:51 PM EDT | Mesoscale Discussion | SPC | Boyd, Breathitt, Carter, Elliott, Floyd, Greenup and 10 more | 84 min |
| Apr 8, 2:55 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Boyle, Breckinridge and 54 more | 2 hr |
| Apr 8, 3:22 PM EDT | Mesoscale Discussion | SPC | Boyd, Breathitt, Clay, Elliott, Floyd, Johnson and 12 more | 83 min |
| Apr 8, 5:50 PM EDT | Mesoscale Discussion | SPC | Adair, Anderson, Barren, Bath, Bourbon, Boyle and 50 more | 115 min |
Nearby
Mesoscale Discussions in Kentucky, 2015Mesoscale Discussions in Ohio, 2015Mesoscale Discussions in Indiana, 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.