Alert archive / Kentucky / Severe Thunderstorm Watches in 2017
Severe Thunderstorm Watch 516
The Storm Prediction Center issued this severe thunderstorm watch at Nov 18, 2017, 11:04 AM CST for 5 states. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 18, 2017, 11:04 AM CST (17:04 UTC)
- Expired
- Nov 18, 2017, 6:47 PM CST
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 206 counties
Alexander County, IL, Clark County, IL, Clay County, IL, Clinton County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, Edgar County, IL, Edwards County, IL, Effingham County, IL, Fayette County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jasper County, IL, Jefferson County, IL, Johnson County, IL, Lawrence County, IL, Marion County, IL, Massac County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Richland County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Bartholomew County, IN, Boone County, IN, Brown County, IN, Clark County, IN, Clay County, IN, Clinton County, IN, Crawford County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Dubois County, IN, Fayette County, IN, Floyd County, IN, Fountain County, IN, Franklin County, IN, Gibson County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Harrison County, IN, Hendricks County, IN, Henry County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Ohio County, IN, Orange County, IN, Owen County, IN, Parke County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Spencer County, IN, Sullivan County, IN, Switzerland County, IN, Tipton County, IN, Union County, IN, Vanderburgh County, IN, Vermillion County, IN, Vigo County, IN, Warrick County, IN, Washington County, IN, Wayne County, IN, Adair County, KY, Allen County, KY, Anderson County, KY, Ballard County, KY, Barren County, KY, Boone County, KY, Bourbon County, KY, Boyle County, KY, Bracken County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Campbell County, KY, Carlisle County, KY, Carroll County, KY, Casey County, KY, Christian County, KY, Clark County, KY, Clinton County, KY, Crittenden County, KY, Cumberland County, KY, Daviess County, KY, Edmonson County, KY, Fayette County, KY, Franklin County, KY, Fulton County, KY, Gallatin County, KY, Garrard County, KY, Grant County, KY, Graves 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, Hickman County, KY, Hopkins County, KY, Jefferson County, KY, Jessamine County, KY, Kenton County, KY, Larue County, KY, Lincoln County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Madison County, KY, Marion County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Meade County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg 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, Todd County, KY, Trigg County, KY, Trimble County, KY, Union County, KY, Warren County, KY, Washington County, KY, Webster County, KY, Woodford County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Madison County, MO, Mississippi County, MO, New Madrid County, MO, Perry County, MO, Ripley County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Scott County, MO, Stoddard County, MO, Wayne County, MO, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Logan County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Preble County, OH, Shelby County, OH, Union County, OH, Warren County, OH
The radar
The Indianapolis radar (KIND), 69 km from the middle of the area, began a volume at 17:07 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
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 80%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
43 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 18, 11:13 AM CST | Severe Thunderstorm Warning | IND | Hamilton, Tipton | 32 min |
| Nov 18, 11:38 AM CST | Severe Thunderstorm Warning | IND | Delaware, Hamilton, Madison, Tipton | 37 min |
| Nov 18, 11:44 AM CST | Severe Thunderstorm Warning | LSX | Randolph | 16 min |
| Nov 18, 11:48 AM CST | Severe Thunderstorm Warning | LSX | Washington | 27 min |
| Nov 18, 11:53 AM CST | Severe Thunderstorm Warning | PAH | Jackson, Perry | 37 min |
| Nov 18, 12:01 PM CST | Severe Thunderstorm Warning | PAH | Jefferson | 29 min |
| Nov 18, 12:07 PM CST | Severe Thunderstorm Warning | PAH | Butler | 23 min |
| Nov 18, 12:27 PM CST | Severe Thunderstorm Warning | PAH | Franklin, Hamilton, Wayne | 48 min |
| Nov 18, 1:20 PM CST | Severe Thunderstorm Warning | PAH | Pulaski | 27 min |
| Nov 18, 1:44 PM CST | Severe Thunderstorm Warning | PAH | Massac | 32 min |
| Nov 18, 1:52 PM CST | Flash Flood Warning | ILN | Darke | 3 hr |
| Nov 18, 2:16 PM CST | Flash Flood Warning | ILN | Auglaize, Shelby | 3 hr |
| Nov 18, 2:39 PM CST | Severe Thunderstorm Warning | PAH | Spencer | 27 min |
| Nov 18, 2:47 PM CST | Severe Thunderstorm Warning | LMK | Perry | 28 min |
| Nov 18, 2:57 PM CST | Flash Flood Warning | ILN | Fayette, Wayne | 3 hr |
| Nov 18, 3:04 PM CST | Severe Thunderstorm Warning | PAH | Christian, Muhlenberg, Todd | 41 min |
| Nov 18, 3:14 PM CST | Severe Thunderstorm Warning | LMK | Harrison, Perry | 31 min |
| Nov 18, 3:17 PM CST | Severe Thunderstorm Warning | LMK | Breckinridge, Grayson, Ohio | 13 min |
| Nov 18, 3:20 PM CST | Severe Thunderstorm Warning | LMK | Butler, Ohio | 25 min |
| Nov 18, 3:21 PM CST | Severe Thunderstorm Warning | LMK | Crawford, Harrison | 24 min |
| Nov 18, 3:23 PM CST | Severe Thunderstorm Warning | ILN | Darke, Miami, Montgomery, Preble | 24 min |
| Nov 18, 3:29 PM CST | Severe Thunderstorm Warning | PAH | Christian, Todd | 31 min |
| Nov 18, 3:35 PM CST | Severe Thunderstorm Warning | LMK | Breckinridge, Meade | 10 min |
| Nov 18, 3:40 PM CST | Severe Thunderstorm Warning | LMK | Harrison | 14 min |
| Nov 18, 3:42 PM CST | Severe Thunderstorm Warning | LMK | Breckinridge, Hardin | 18 min |
| Nov 18, 3:44 PM CST | Severe Thunderstorm Warning | LMK | Bullitt, Hardin, Meade | 31 min |
| Nov 18, 4:01 PM CST | Severe Thunderstorm Warning | LMK | Edmonson | 14 min |
| Nov 18, 4:08 PM CST | Severe Thunderstorm Warning | LMK | Hardin, Larue | 22 min |
| Nov 18, 4:15 PM CST | Tornado Warning | LMK | Bullitt, Spencer | 15 min |
| Nov 18, 4:16 PM CST | Severe Thunderstorm Warning | ILN | Delaware, Union | 29 min |
| Nov 18, 4:19 PM CST | Severe Thunderstorm Warning | LMK | Hart | 26 min |
| Nov 18, 4:21 PM CST | Flash Flood Warning | ILN | Champaign, Delaware, Logan, Union | 3 hr |
| Nov 18, 4:24 PM CST | Severe Thunderstorm Warning | LMK | Nelson | 21 min |
| Nov 18, 4:28 PM CST | Severe Thunderstorm Warning | LMK | Larue, Marion, Nelson | 17 min |
| Nov 18, 4:33 PM CST | Severe Thunderstorm Warning | LMK | Allen, Simpson | 27 min |
| Nov 18, 4:34 PM CST | Severe Thunderstorm Warning | ILN | Butler | 13 min |
| Nov 18, 4:41 PM CST | Severe Thunderstorm Warning | LMK | Anderson, Nelson, Washington | 34 min |
| Nov 18, 4:52 PM CST | Severe Thunderstorm Warning | LMK | Adair, Barren, Green, Metcalfe | 23 min |
| Nov 18, 5:04 PM CST | Severe Thunderstorm Warning | LMK | Barren, Metcalfe | 26 min |
| Nov 18, 5:04 PM CST | Severe Thunderstorm Warning | LMK | Marion, Taylor | 26 min |
| Nov 18, 5:10 PM CST | Severe Thunderstorm Warning | LMK | Jessamine, Mercer, Woodford | 20 min |
| Nov 18, 5:12 PM CST | Severe Thunderstorm Warning | LMK | Allen, Monroe | 18 min |
| Nov 18, 5:27 PM CST | Severe Thunderstorm Warning | LMK | Garrard, Jessamine, Madison | 22 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
Lincoln, IL (KILX), launched 12:00Z, 5.1 hours before the alert went out and 208 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
- 599 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 204 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 18, 5:29 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, DeWitt, Ford and 11 more | 3 hr |
| Nov 18, 10:24 AM CST | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Clinton, Crawford, Cumberland and 26 more | 2 hr |
| Nov 18, 1:48 PM CST | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Crawford, Edgar, Edwards and 20 more | 57 min |
| Nov 18, 4:44 PM CST | Mesoscale Discussion | SPC | Clark, Dearborn, Franklin, Jefferson, Ohio, Ripley and 2 more | 61 min |
| Nov 18, 12:35 PM CST | Severe Thunderstorm Watch | SPC | Dunklin, Pemiscot | 6 hr |
Nearby
Severe Thunderstorm Watches in Kentucky, 2017Severe Thunderstorm Watches in Indiana, 2017Severe Thunderstorm Watches in Illinois, 2017Every severe thunderstorm watch in 2017
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.