Alert archive / Kentucky / Tornado Watches in 1998

Tornado Watch 186

April 8, 199818 counties in Indiana; 63 counties in Kentucky; 40 counties in Ohio

The Storm Prediction Center issued this tornado watch at Apr 8, 1998, 1:15 PM EDT for 18 counties in Indiana; 63 counties in Kentucky; 40 counties in Ohio. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 8, 1998, 1:15 PM EDT (17:15 UTC)
Expired
Apr 8, 1998, 7:00 PM EDT
In force
6 hr
Issued by
the Storm Prediction Center
All 121 counties

Clark County, IN, Crawford County, IN, Dearborn County, IN, Decatur County, IN, Fayette County, IN, Floyd County, IN, Franklin County, IN, Harrison County, IN, Jefferson County, IN, Jennings County, IN, Ohio County, IN, Perry County, IN, Ripley County, IN, Scott County, IN, Switzerland County, IN, Union County, IN, Washington County, IN, Wayne County, IN, Adair County, KY, Allen County, KY, Anderson 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, Campbell County, KY, Carroll County, KY, Casey County, KY, Christian County, KY, Clark 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, 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, 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, Trimble County, KY, Warren County, KY, Washington County, KY, Woodford County, KY, Adams County, OH, Allen County, OH, Ashland County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Coshocton County, OH, Crawford County, OH, Darke 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, Holmes County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Richland County, OH, Ross County, OH, Shelby County, OH, Union County, OH, Warren County, OH, Wayne County, OH, Wyandot County, OH

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 8, 1:28 PM EDTSevere Thunderstorm WarningLMKEdmonson17 min
Apr 8, 1:33 PM EDTSevere Thunderstorm WarningLMKGrayson, Ohio27 min
Apr 8, 1:55 PM EDTSevere Thunderstorm WarningILNFranklin50 min
Apr 8, 2:05 PM EDTSevere Thunderstorm WarningLMKBreckinridge, Hardin25 min
Apr 8, 2:10 PM EDTSevere Thunderstorm WarningILNDelaware50 min
Apr 8, 2:29 PM EDTSevere Thunderstorm WarningILNLicking41 min
Apr 8, 2:35 PM EDTSevere Thunderstorm WarningLMKHardin, Meade30 min
Apr 8, 2:35 PM EDTSevere Thunderstorm WarningLMKBullitt30 min
Apr 8, 2:53 PM EDTTornado WarningLMKBoyle, Mercer22 min
Apr 8, 2:58 PM EDTSevere Thunderstorm WarningLMKJefferson, Spencer32 min
Apr 8, 3:03 PM EDTSevere Thunderstorm WarningCLEKnox57 min
Apr 8, 3:16 PM EDTSevere Thunderstorm WarningLMKShelby29 min
Apr 8, 3:22 PM EDTSevere Thunderstorm WarningCLEAshland, Richland68 min
Apr 8, 3:29 PM EDTSevere Thunderstorm WarningPBZCoshocton46 min
Apr 8, 3:57 PM EDTSevere Thunderstorm WarningCLEStark, Summit, Wayne63 min

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 5.3 hours before the alert went out and 180 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 1998-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 55 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 1998-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939587897117136Sfc1 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
55 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
955 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 7, 8:00 PM EDTTornado WatchSPCBartholomew, Benton, Blackford, Boone, Brown, Carroll and 44 more6 hr
Apr 7, 11:00 PM EDTTornado WatchSPCBartholomew, Brown, Clark, Crawford, Daviess, Dearborn and 23 more6 hr
Apr 8, 2:00 AM EDTSevere Thunderstorm WatchSPCAdams, Bartholomew, Blackford, Brown, Dearborn, Decatur and 24 more4 hr
Apr 8, 3:00 AM EDTTornado WatchSPCClark, Jefferson, Switzerland6 hr
Apr 8, 6:00 AM EDTSevere Thunderstorm WatchSPCBell, Breathitt, Clay, Estill, Floyd, Harlan and 12 more5 hr
Apr 8, 6:30 PM EDTTornado WatchSPCAllen, Breckinridge, Butler, Caldwell, Calloway, Carlisle and 29 more7 hr

Nearby

Tornado Watches in Kentucky, 1998Tornado Watches in Ohio, 1998Tornado Watches in Indiana, 1998Every tornado watch in 1998

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.