Alert archive / Kentucky / Severe Thunderstorm Watches in 2013
Severe Thunderstorm Watch 112
The Storm Prediction Center issued this severe thunderstorm watch at Apr 16, 2013, 6:01 PM EDT for 14 counties in Indiana; 46 counties in Kentucky. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 16, 2013, 6:01 PM EDT (22:01 UTC)
- Expired
- Apr 16, 2013, 11:31 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 60 counties
Clark County, IN, Crawford County, IN, Dubois County, IN, Floyd County, IN, Harrison County, IN, Jefferson County, IN, Orange County, IN, Perry County, IN, Pike County, IN, Scott County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, Washington County, IN, Anderson County, KY, Bourbon County, KY, Boyle County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Casey County, KY, Clark County, KY, Crittenden County, KY, Daviess County, KY, Edmonson County, KY, Fayette County, KY, Franklin County, KY, Garrard County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Henderson County, KY, Henry County, KY, Hopkins County, KY, Jefferson County, KY, Jessamine County, KY, Larue County, KY, Lincoln County, KY, Madison County, KY, Marion County, KY, McLean County, KY, Meade County, KY, Mercer County, KY, Muhlenberg County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Oldham County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Taylor County, KY, Trimble County, KY, Union County, KY, Washington County, KY, Webster County, KY, Woodford County, KY
The radar
The Louisville radar (KLVX), 51 km from the middle of the area, began a volume at 22:03 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 40%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 6:03 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson, Scott | 32 min |
| Apr 16, 6:22 PM EDT | Severe Thunderstorm Warning | LMK | Clark, Scott, Washington | 28 min |
| Apr 16, 6:28 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson | 27 min |
| Apr 16, 6:29 PM EDT | Severe Thunderstorm Warning | PAH | Daviess, Henderson | 31 min |
| Apr 16, 7:13 PM EDT | Severe Thunderstorm Warning | PAH | Pike | 47 min |
| Apr 16, 7:20 PM EDT | Severe Thunderstorm Warning | LMK | Crawford, Orange | 30 min |
| Apr 16, 7:35 PM EDT | Severe Thunderstorm Warning | LMK | Crawford, Harrison, Washington | 25 min |
| Apr 16, 7:57 PM EDT | Severe Thunderstorm Warning | LMK | Floyd, Harrison | 28 min |
| Apr 16, 8:11 PM EDT | Severe Thunderstorm Warning | PAH | Posey, Vanderburgh | 34 min |
| Apr 16, 8:28 PM EDT | Severe Thunderstorm Warning | LMK | Clark, Floyd | 32 min |
| Apr 16, 8:36 PM EDT | Severe Thunderstorm Warning | LMK | Orange | 29 min |
| Apr 16, 8:54 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson | 21 min |
| Apr 16, 8:55 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson | 20 min |
| Apr 16, 9:01 PM EDT | Severe Thunderstorm Warning | LMK | Orange, Washington | 29 min |
| Apr 16, 9:12 PM EDT | Severe Thunderstorm Warning | LMK | Anderson, Bullitt, Jefferson, Nelson, Shelby, Spencer | 43 min |
| Apr 16, 9:49 PM EDT | Severe Thunderstorm Warning | LMK | Anderson, Mercer, Nelson, Shelby, Spencer, Woodford | 46 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.0 hours before the alert went out and 263 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
- 118 J/kg
- Mixed-layer CIN
- -182 J/kg
- Mixed-layer LCL
- 788 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 266 m²/s²
- 0-3 km storm-relative helicity
- 260 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 9:59 PM EDT | Mesoscale Discussion | SPC | Monroe | 61 min |
| Apr 16, 1:00 AM EDT | Severe Thunderstorm Watch | SPC | Bond, Brown, Calhoun, Cass, Christian, DeWitt and 19 more | 4 hr |
| Apr 16, 1:02 AM EDT | Mesoscale Discussion | SPC | Bond, Calhoun, Cass, Champaign, Christian, Coles and 21 more | 28 min |
| Apr 16, 3:54 PM EDT | Mesoscale Discussion | SPC | Gallatin, Hardin, Johnson, Massac, Pope, Pulaski | 96 min |
| Apr 16, 1:56 PM EDT | Mesoscale Discussion | SPC | Dearborn, Franklin, Jefferson, Jennings, Ohio, Ripley and 2 more | 94 min |
| Apr 16, 3:42 PM EDT | Severe Thunderstorm Watch | SPC | Dearborn, Ohio, Switzerland | 7 hr |
Nearby
Severe Thunderstorm Watches in Kentucky, 2013Severe Thunderstorm Watches in Indiana, 2013Every severe thunderstorm watch in 2013
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.