Alert archive / Kentucky / Severe Thunderstorm Watches in 2017

Severe Thunderstorm Watch 515

November 5, 201726 counties in Indiana; 29 counties in Kentucky; 19 counties in Ohio

The Storm Prediction Center issued this severe thunderstorm watch at Nov 5, 2017, 6:31 PM EST for 26 counties in Indiana; 29 counties in Kentucky; 19 counties in Ohio. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Nov 5, 2017, 6:31 PM EST (23:31 UTC)
Expired
Nov 6, 2017, 1:00 AM EST
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
60 kt
All 74 counties

Bartholomew County, IN, Brown County, IN, Clark County, IN, Crawford County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Dubois County, IN, Fayette County, IN, Floyd County, IN, Franklin County, IN, Harrison County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Knox County, IN, Lawrence County, IN, Martin County, IN, Ohio County, IN, Orange County, IN, Perry County, IN, Ripley County, IN, Scott County, IN, Switzerland County, IN, Union County, IN, Washington County, IN, Barren County, KY, Boone County, KY, Bracken County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Campbell County, KY, Carroll County, KY, Edmonson County, KY, Gallatin County, KY, Grant County, KY, Grayson County, KY, Hancock County, KY, Hardin County, KY, Hart County, KY, Henry County, KY, Jefferson County, KY, Kenton County, KY, Larue County, KY, Meade County, KY, Nelson County, KY, Ohio County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Warren County, KY, Brown County, OH, Butler 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, Highland County, OH, Licking County, OH, Madison County, OH, Montgomery County, OH, Pickaway County, OH, Preble County, OH, Ross County, OH, Warren County, OH

The radar

The Indianapolis radar (KIND), 118 km from the middle of the area, began a volume at 23:35 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
30%
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
10%
Six or more combined severe hail and wind reports
60%

Warnings issued inside it

18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Nov 5, 6:56 PM ESTSevere Thunderstorm WarningILNDelaware, Fairfield, Franklin, Licking, Pickaway34 min
Nov 5, 6:57 PM ESTTornado WarningINDBrown, Monroe33 min
Nov 5, 7:08 PM ESTFlash Flood WarningILNFayette, Union, Wayne3 hr
Nov 5, 7:16 PM ESTSevere Thunderstorm WarningILNFairfield, Licking44 min
Nov 5, 7:24 PM ESTFlash Flood WarningILNMiami, Montgomery3 hr
Nov 5, 7:34 PM ESTFlash Flood WarningILNClark3 hr
Nov 5, 7:43 PM ESTSevere Thunderstorm WarningINDBartholomew, Decatur32 min
Nov 5, 8:01 PM ESTTornado WarningLMKOrange29 min
Nov 5, 8:04 PM ESTSevere Thunderstorm WarningILNClinton, Greene, Warren26 min
Nov 5, 10:03 PM ESTTornado WarningINDJackson11 min
Nov 5, 10:49 PM ESTFlash Flood WarningILNFranklin2 hr
Nov 5, 10:55 PM ESTFlash Flood WarningILNDearborn, Ripley3 hr
Nov 5, 11:00 PM ESTTornado WarningLMKWashington30 min
Nov 5, 11:07 PM ESTTornado WarningLMKWashington23 min
Nov 5, 11:26 PM ESTSevere Thunderstorm WarningLMKButler, Grayson, Ohio34 min
Nov 5, 11:39 PM ESTFlash Flood WarningILNDearborn, Ohio4 hr
Nov 6, 12:34 AM ESTFlash Flood WarningILNClermont, Warren2 hr
Nov 6, 12:43 AM ESTFlash Flood WarningILNBrown, Clinton, Highland3 hr

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, 11.5 hours before the alert went out and 122 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2017-11-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 214 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2017-11-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 187 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
214 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
522 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
187 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 5, 7:04 AM ESTMesoscale DiscussionSPCBenton, Boone, Carroll, Cass, Clay, Clinton and 15 more2 hr
Nov 5, 11:48 AM ESTMesoscale DiscussionSPCBartholomew, Brown, Daviess, Dearborn, Decatur, Greene and 8 more57 min
Nov 5, 12:08 PM ESTTornado WatchSPCAdams, Bartholomew, Blackford, Boone, Brown, Carroll and 44 more7 hr
Nov 5, 12:09 PM ESTMesoscale DiscussionSPCFountain, Vermillion, Vigo, Warren66 min
Nov 5, 1:36 PM ESTMesoscale DiscussionSPCBoone, Carroll, Clinton, Grant, Hamilton, Howard and 4 more54 min
Nov 5, 3:51 PM ESTMesoscale DiscussionSPCGibson, Knox, Posey, Sullivan, Vanderburgh, Vigo and 1 more114 min
Nov 5, 4:50 PM ESTTornado WatchSPCGibson, Pike, Posey, Spencer, Vanderburgh, Warrick6 hr
Nov 5, 5:58 PM ESTMesoscale DiscussionSPCBartholomew, Brown, Clark, Clay, Crawford, Dearborn and 28 more62 min
Nov 5, 11:29 AM ESTMesoscale DiscussionSPCAshtabula, Cuyahoga, Defiance, Erie, Fulton, Geauga and 14 more91 min
Nov 5, 2:29 PM ESTMesoscale DiscussionSPCAuglaize, Mercer31 min
Nov 5, 3:57 PM ESTMesoscale DiscussionSPCAllen, Ashland, Auglaize, Crawford, Hancock, Hardin and 9 more63 min
Nov 5, 4:51 PM ESTMesoscale DiscussionSPCCarroll, Columbiana, Geauga, Mahoning, Portage, Stark and 2 more114 min
Nov 5, 5:28 PM ESTSevere Thunderstorm WatchSPCAshtabula, Belmont, Carroll, Columbiana, Coshocton, Geauga and 13 more5 hr

Nearby

Severe Thunderstorm Watches in Kentucky, 2017Severe Thunderstorm Watches in Indiana, 2017Severe Thunderstorm Watches in Ohio, 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.