Alert archive / Kentucky / Tornado Watches in 1998
Tornado Watch 220
The Storm Prediction Center issued this tornado watch at Apr 15, 1998, 11:15 PM EDT for Ohio County, Switzerland County, Indiana; 42 counties in Kentucky; 24 counties in Ohio. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 15, 1998, 11:15 PM EDT (03:15 UTC)
- Expired
- Apr 16, 1998, 5:00 AM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 68 counties
Ohio County, IN, Switzerland County, IN, Anderson County, KY, Bath County, KY, Boone County, KY, Bourbon County, KY, Boyd County, KY, Bracken County, KY, Campbell County, KY, Carter County, KY, Clark County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Henry County, KY, Jessamine County, KY, Johnson County, KY, Kenton County, KY, Lawrence County, KY, Lewis County, KY, Madison County, KY, Magoffin County, KY, Mason County, KY, Menifee County, KY, Mercer County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Owen County, KY, Pendleton County, KY, Powell County, KY, Robertson County, KY, Rowan County, KY, Scott County, KY, Shelby County, KY, Washington County, KY, Wolfe County, KY, Woodford County, KY, Adams County, OH, Brown County, OH, Butler County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Hocking County, OH, Jackson County, OH, Madison County, OH, Montgomery County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Warren County, OH
The radar
The Cincinnati radar (KILN), 94 km from the middle of the area, began a volume at 03:18 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.
Warnings issued inside it
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 11:42 PM EDT | Flash Flood Warning | ILN | Butler | 118 min |
| Apr 16, 1:33 AM EDT | Flash Flood Warning | ILN | Butler | 3 hr |
| Apr 16, 1:48 AM EDT | Flash Flood Warning | ILN | Hamilton | 3 hr |
| Apr 16, 2:12 AM EDT | Flash Flood Warning | ILN | Clermont, Clinton, Warren | 3 hr |
| Apr 16, 3:48 AM EDT | Flash Flood Warning | ILN | Hamilton | 3 hr |
| Apr 16, 4:05 AM EDT | Flash Flood Warning | ILN | Butler | 3 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 3.3 hours before the alert went out and 95 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
- 835 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 9:45 PM EDT | Tornado Watch | SPC | Bartholomew, Brown, Clark, Clay, Crawford, Daviess and 42 more | 5 hr |
| Apr 16, 12:00 AM EDT | Tornado Watch | SPC | Gibson, Posey | 5 hr |
| Apr 16, 2:45 AM EDT | Tornado Watch | SPC | Bartholomew, Clark, Crawford, Dearborn, Decatur, Dubois and 15 more | 5 hr |
| Apr 16, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allen, DeKalb, Elkhart, Huntington, Kosciusko and 7 more | |
| Apr 16, 2:45 PM EDT | Tornado Watch | SPC | Bartholomew, Blackford, Brown, Clark, Crawford, Dearborn and 33 more | 6 hr |
| Apr 16, 8:00 AM EDT | Tornado Watch | SPC | Adair, Bell, Boyle, Breathitt, Casey, Clay and 21 more | 6 hr |
| Apr 16, 5:00 PM EDT | Tornado Watch | SPC | Calloway | 6 hr |
| Apr 16, 5:30 PM EDT | Tornado Watch | SPC | Adair, Allen, Anderson, Barren, Bath, Bourbon and 47 more | 7 hr |
| Apr 16, 7:00 PM EDT | Tornado Watch | SPC | Adams, Ashland, Athens, Brown, Carroll, Coshocton and 42 more | 6 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; radar from the NEXRAD Level II archive.