Alert archive / Kentucky / Tornado Watches in 1998
Tornado Watch 237
The Storm Prediction Center issued this tornado watch at Apr 16, 1998, 8:00 PM EDT for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 16, 1998, 8:00 PM EDT (00:00 UTC)
- Expired
- Apr 17, 1998, 1:00 AM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 40 counties
Bell County, KY, Boyd County, KY, Breathitt County, KY, Clay County, KY, Floyd County, KY, Harlan County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Lawrence County, KY, Leslie County, KY, Letcher County, KY, Magoffin County, KY, Martin County, KY, Perry County, KY, Pike County, KY, Whitley County, KY, Lawrence County, OH, Buchanan County, VA, City of Norton, VA, Dickenson County, VA, Lee County, VA, Russell County, VA, Scott County, VA, Wise County, VA, Boone County, WV, Braxton County, WV, Cabell County, WV, Clay County, WV, Fayette County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, McDowell County, WV, Mingo County, WV, Nicholas County, WV, Putnam County, WV, Raleigh County, WV, Wayne County, WV, Wyoming County, WV
Warnings issued inside it
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 8:02 PM EDT | Tornado Warning | MRX | Scott | 63 min |
| Apr 16, 8:16 PM EDT | Flash Flood Warning | JKL | Breathitt | 4 hr |
| Apr 16, 8:20 PM EDT | Severe Thunderstorm Warning | JKL | Breathitt, Lee | 65 min |
| Apr 16, 8:24 PM EDT | Tornado Warning | MRX | Lee | 46 min |
| Apr 16, 9:05 PM EDT | Severe Thunderstorm Warning | JKL | Knox, Whitley | 60 min |
| Apr 16, 9:34 PM EDT | Flash Flood Warning | JKL | Laurel, McCreary, Pulaski, Rockcastle, Whitley | 3 hr |
| Apr 16, 9:36 PM EDT | Severe Thunderstorm Warning | JKL | Leslie | 64 min |
| Apr 16, 9:55 PM EDT | Flash Flood Warning | JKL | Clay, Leslie | 4 hr |
| Apr 16, 9:55 PM EDT | Flash Flood Warning | JKL | Knox | 4 hr |
| Apr 16, 10:24 PM EDT | Flash Flood Warning | JKL | Bell, Harlan | 4 hr |
| Apr 16, 10:24 PM EDT | Flash Flood Warning | JKL | Knott, Letcher, Perry | 4 hr |
| Apr 17, 12:20 AM EDT | Flash Flood Warning | RLX | Buchanan, Dickenson | 4 hr |
| Apr 17, 12:36 AM EDT | Flash Flood Warning | JKL | Breathitt, Jackson, Lee, Owsley | 9 hr |
| Apr 17, 12:36 AM EDT | Flash Flood Warning | JKL | Bell, Clay, Harlan, Leslie, Perry | 9 hr |
| Apr 17, 12:36 AM EDT | Flash Flood Warning | JKL | Knott, Letcher | 9 hr |
| Apr 17, 12:36 AM EDT | Flash Flood Warning | JKL | Knox, Whitley | 9 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.0 hours before the alert went out and 242 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
- 186 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- 272 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 5.9
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 16, 11:00 PM EDT | Tornado Watch | SPC | Henry, City of Bristol | 6 hr |
| Apr 17, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | Arlington, Caroline, Culpeper, Essex, Fairfax, Fauquier and 15 more | 6 hr |
Nearby
Tornado Watches in Kentucky, 1998Tornado Watches in West Virginia, 1998Tornado Watches in Virginia, 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.