Alert archive / Kentucky / Tornado Watches in 1998

Tornado Watch 160

April 3, 199834 counties in Kentucky

The Storm Prediction Center issued this tornado watch at Apr 3, 1998, 4:00 PM CST for 34 counties in Kentucky. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Apr 3, 1998, 4:00 PM CST (22:00 UTC)
Expired
Apr 3, 1998, 9:00 PM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 34 counties

Adair County, KY, Bell County, KY, Boyle County, KY, Breathitt County, KY, Casey County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Estill County, KY, Floyd County, KY, Garrard County, KY, Green County, KY, Harlan County, KY, Jackson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lincoln County, KY, Magoffin County, KY, Marion County, KY, McCreary County, KY, Metcalfe County, KY, Monroe County, KY, Owsley County, KY, Perry County, KY, Pulaski County, KY, Rockcastle County, KY, Russell County, KY, Taylor County, KY, Wayne County, KY, Whitley County, KY

The radar

The Jackson,KY radar (KJKL), 131 km from the middle of the area, began a volume at 22:03 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

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

IssuedProductOfficeCountiesLasted
Apr 3, 4:19 PM CSTTornado WarningLMKCumberland, Monroe46 min
Apr 3, 4:46 PM CSTTornado WarningJKLWayne49 min
Apr 3, 4:47 PM CSTTornado WarningLMKClinton43 min
Apr 3, 4:52 PM CSTTornado WarningJKLWayne68 min
Apr 3, 5:15 PM CSTTornado WarningJKLMcCreary45 min
Apr 3, 5:45 PM CSTSevere Thunderstorm WarningJKLWhitley50 min
Apr 3, 5:49 PM CSTTornado WarningJKLPulaski31 min
Apr 3, 6:25 PM CSTTornado WarningJKLKnox35 min
Apr 3, 6:33 PM CSTTornado WarningJKLWhitley32 min

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.0 hours before the alert went out and 204 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, Nashville Metro, TN at 12:00Z on 1998-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Nashville Metro, TN at 12:00Z on 1998-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
888 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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.

IssuedProductOfficeCountiesLasted
Apr 3, 12:45 PM CSTTornado WatchSPCAllen, Ballard, Butler, Caldwell, Calloway, Carlisle and 15 more6 hr

Nearby

Tornado Watches in Kentucky, 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.