Alert archive / Kentucky / Severe Thunderstorm Watches in 2016
Severe Thunderstorm Watch 473
The Storm Prediction Center issued this severe thunderstorm watch at Sep 10, 2016, 2:24 PM EDT for 11 counties in Indiana; 64 counties in Kentucky; 28 counties in Ohio. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 10, 2016, 2:24 PM EDT (18:24 UTC)
- Expired
- Sep 10, 2016, 7:49 PM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 103 counties
Clark County, IN, Dearborn County, IN, Floyd County, IN, Franklin County, IN, Harrison County, IN, Jefferson County, IN, Ohio County, IN, Ripley County, IN, Scott County, IN, Switzerland County, IN, Union County, IN, Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Boone County, KY, Bourbon County, KY, Boyle County, KY, Bracken County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Campbell County, KY, Carroll County, KY, Casey County, KY, Clark County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Gallatin County, KY, Garrard County, KY, Grant County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Jefferson County, KY, Jessamine County, KY, Kenton County, KY, Larue County, KY, Lewis County, KY, Lincoln County, KY, Logan County, KY, Madison County, KY, Marion County, KY, Mason County, KY, Meade County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Trimble County, KY, Warren County, KY, Washington County, KY, Woodford County, KY, Adams County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Highland County, OH, Hocking County, OH, Licking County, OH, Logan 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, Union County, OH, Warren County, OH
The radar
The Cincinnati radar (KILN), 94 km from the middle of the area, began a volume at 18:26 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
- 40%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 10%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
20 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 2:42 PM EDT | Severe Thunderstorm Warning | LMK | Crawford, Harrison, Perry | 33 min |
| Sep 10, 3:00 PM EDT | Severe Thunderstorm Warning | LMK | Floyd, Harrison, Perry | 30 min |
| Sep 10, 3:13 PM EDT | Severe Thunderstorm Warning | LMK | Clark, Jefferson, Scott, Washington | 32 min |
| Sep 10, 3:21 PM EDT | Severe Thunderstorm Warning | LMK | Floyd, Harrison | 24 min |
| Sep 10, 3:33 PM EDT | Severe Thunderstorm Warning | ILN | Dearborn, Ohio, Ripley, Switzerland | 27 min |
| Sep 10, 3:34 PM EDT | Severe Thunderstorm Warning | LMK | Breckinridge, Hardin, Meade | 26 min |
| Sep 10, 3:39 PM EDT | Severe Thunderstorm Warning | ILN | Ohio, Switzerland | 36 min |
| Sep 10, 3:43 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson | 17 min |
| Sep 10, 3:44 PM EDT | Flash Flood Warning | ILN | Dearborn, Ohio, Ripley, Switzerland | 3 hr |
| Sep 10, 3:51 PM EDT | Flash Flood Warning | ILN | Butler | 114 min |
| Sep 10, 3:53 PM EDT | Severe Thunderstorm Warning | LMK | Bullitt, Jefferson, Oldham, Shelby, Spencer | 37 min |
| Sep 10, 3:54 PM EDT | Severe Thunderstorm Warning | ILN | Dearborn, Ohio | 36 min |
| Sep 10, 3:57 PM EDT | Severe Thunderstorm Warning | LMK | Harrison | 33 min |
| Sep 10, 4:21 PM EDT | Severe Thunderstorm Warning | LMK | Logan | 24 min |
| Sep 10, 4:33 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Franklin, Madison, Union | 27 min |
| Sep 10, 4:38 PM EDT | Severe Thunderstorm Warning | ILN | Clark, Madison | 37 min |
| Sep 10, 4:45 PM EDT | Flash Flood Warning | ILN | Carroll, Gallatin | 2 hr |
| Sep 10, 4:49 PM EDT | Severe Thunderstorm Warning | LMK | Franklin, Scott | 26 min |
| Sep 10, 4:53 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Franklin, Madison | 37 min |
| Sep 10, 5:01 PM EDT | Severe Thunderstorm Warning | ILN | Campbell, Pendleton | 44 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, 6.4 hours before the alert went out and 96 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
- 5 J/kg
- Mixed-layer CIN
- -258 J/kg
- Mixed-layer LCL
- 1264 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 83 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 |
|---|---|---|---|---|
| Sep 9, 9:30 PM EDT | Mesoscale Discussion | SPC | Allen, Bartholomew, Blackford, Boone, Brown, Carroll and 40 more | 60 min |
| Sep 9, 11:24 PM EDT | Mesoscale Discussion | SPC | Adams, Allen, Blackford, Delaware, Fayette, Grant and 10 more | 96 min |
| Sep 10, 1:16 PM EDT | Mesoscale Discussion | SPC | Clark, Crawford, Dearborn, Floyd, Franklin, Harrison and 10 more | 2 hr |
| Sep 10, 2:05 PM EDT | Mesoscale Discussion | SPC | Calloway, Graves, Hickman, Marshall, Trigg | 2 hr |
| Sep 10, 4:39 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bourbon, Boyle and 39 more | 2 hr |
| Sep 10, 3:30 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 31 more | 6 hr |
| Sep 10, 4:38 PM EDT | Mesoscale Discussion | SPC | Ashland, Ashtabula, Carroll, Columbiana, Cuyahoga, Geauga and 12 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Kentucky, 2016Severe Thunderstorm Watches in Ohio, 2016Severe Thunderstorm Watches in Indiana, 2016Every severe thunderstorm watch in 2016
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.