Alert archive / Kentucky / Tornado Warnings in 1998

Tornado Warning 18, NWS Louisville, KY

April 8, 1998Boyle County, Mercer County, Kentucky

NWS Louisville, KY issued this tornado warning at Apr 8, 1998, 2:53 PM EDT for Boyle County, Mercer County, Kentucky. It was in force for 22 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 8, 1998, 2:53 PM EDT (18:53 UTC)
Expired
Apr 8, 1998, 3:15 PM EDT
In force
22 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Boyle County, KY, Mercer County, KY

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 8, 1:15 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.9 hours before the alert went out and 212 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°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.

000 
TTAA00 KSDF 081853 RRA
TORSDF
KYC021-167-081915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
253 PM EDT WED APR 8 1998

* TORNADO WARNING FOR
  EASTERN BOYLE COUNTY - EAST CENTRAL KENTUCKY
  SOUTHEASTERN MERCER COUNTY - EAST CENTRAL KENTUCKY

* UNTIL 315 PM EDT

* SOME LOCATIONS AFFECTED
  DANVILLE BY 300 PM EDT
  BURGIN BY 305 PM EDT

* AT 250 PM EDT...SPOTTERS REPORTED A TORNADO NEAR THE WESTERN EDGE
OF BOYLE COUNTY...OR 25 MILES SOUTHWEST OF LEXINGTON. THIS STORM WAS
MOVING NORTHEAST AT 50 MPH.


THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
TORNADO...SEEK SHELTER IMMEDIATELY IN A BASEMENT OR INTERIOR ROOM
ON THE LOWEST FLOOR OF YOUR HOME OR BUILDING. ABANDON MOBILE HOMES.

REC/DK


&

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 8, 11:15 AM EDT, 3 hours 38 minutes before
KYZ023>043-045>049-053>057-061>067-070>078-081-082-INZ076-079-083-
084-089>092-081945-

CENTRAL KENTUCKY AND SOUTH-CENTRAL INDIANA SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
1115 AM EDT WED APR 8 1998

THE STORM PREDICTION CENTER HAS INDICATED THAT A SLIGHT RISK OF
SEVERE THUNDERSTORMS EXISTS ACROSS CENTRAL KENTUCKY AND SOUTH
CENTRAL INDIANA THIS AFTERNOON AND EVENING.

A COLD FRONT ACROSS WESTERN KENTUCKY WILL SLOWLY DRIFT EASTWARD
TODAY...PUSHING EAST OF THE STATE BY THURSDAY MORNING. THE
INTERACTION OF THE FRONT WITH WARM MOIST UNSTABLE AIR AHEAD OF IT
WILL CAUSE THE DEVELOPMENT OF THUNDERSTORMS THIS AFTERNOON ACROSS
NORTH CENTRAL KENTUCKY AND SOUTH CENTRAL INDIANA...AND ESPECIALLY
ACROSS SOUTH CENTRAL KENTUCKY. THE STORMS SHOULD MOVE TO EASTERN
KENTUCKY THIS EVENING AND OVERNIGHT.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE DAMAGING WINDS...LARGE
HAIL AND POSSIBLY ISOLATED TORNADOES.  HEAVY RAIN AND DANGEROUS
LIGHTNING ALSO CAN BE EXPECTED WITHIN THE THUNDERSTORMS.

STAY TUNED TO NOAA WEATHER RADIO FROM THE NATIONAL WEATHER SERVICE
OR THE MEDIA FOR THE LATEST INFORMATION ON THIS WEATHER SITUATION.
SKYWARN SPOTTER ACTIVATION MAY BE REQUESTED LATER TODAY.

VLD
Special weather statement, Apr 8, 11:15 AM EDT, 3 hours 38 minutes before
KYZ023>043-045>049-053>057-061>067-070>078-081-082-INZ076-079-083-
084-089>092-081945-

CENTRAL KENTUCKY AND SOUTH-CENTRAL INDIANA SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
1115 AM EDT WED APR 8 1998

THE STORM PREDICTION CENTER HAS INDICATED THAT A SLIGHT RISK OF
SEVERE THUNDERSTORMS EXISTS ACROSS CENTRAL KENTUCKY AND SOUTH
CENTRAL INDIANA THIS AFTERNOON AND EVENING.

A COLD FRONT ACROSS WESTERN KENTUCKY WILL SLOWLY DRIFT EASTWARD
TODAY...PUSHING EAST OF THE STATE BY THURSDAY MORNING. THE
INTERACTION OF THE FRONT WITH WARM MOIST UNSTABLE AIR AHEAD OF IT
WILL CAUSE THE DEVELOPMENT OF THUNDERSTORMS THIS AFTERNOON ACROSS
NORTH CENTRAL KENTUCKY AND SOUTH CENTRAL INDIANA...AND ESPECIALLY
ACROSS SOUTH CENTRAL KENTUCKY. THE STORMS SHOULD MOVE TO EASTERN
KENTUCKY THIS EVENING AND OVERNIGHT.

THESE STORMS HAVE THE POTENTIAL TO PRODUCE DAMAGING WINDS...LARGE
HAIL AND POSSIBLY ISOLATED TORNADOES.  HEAVY RAIN AND DANGEROUS
LIGHTNING ALSO CAN BE EXPECTED WITHIN THE THUNDERSTORMS.

STAY TUNED TO NOAA WEATHER RADIO FROM THE NATIONAL WEATHER SERVICE
OR THE MEDIA FOR THE LATEST INFORMATION ON THIS WEATHER SITUATION.
SKYWARN SPOTTER ACTIVATION MAY BE REQUESTED LATER TODAY.

VLD

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 8, 2:29 AM EDTSevere Thunderstorm WarningLMKLogan46 min
Apr 8, 2:33 AM EDTTornado WarningLMKLogan47 min
Apr 8, 2:51 AM EDTSevere Thunderstorm WarningLMKWarren39 min
Apr 8, 3:02 AM EDTSevere Thunderstorm WarningLMKTrimble33 min
Apr 8, 3:15 AM EDTTornado WarningLMKEdmonson30 min
Apr 8, 3:28 AM EDTSevere Thunderstorm WarningLMKSimpson32 min
Apr 8, 3:33 AM EDTSevere Thunderstorm WarningLMKBarren32 min
Apr 8, 3:33 AM EDTTornado WarningLMKHart32 min
Apr 8, 3:39 AM EDTTornado WarningLMKBarren31 min
Apr 8, 3:49 AM EDTSevere Thunderstorm WarningLMKAllen31 min
Apr 8, 3:57 AM EDTTornado WarningLMKGreen, Metcalfe23 min
Apr 8, 4:23 AM EDTSevere Thunderstorm WarningLMKAdair32 min
Apr 8, 1:04 PM EDTSevere Thunderstorm WarningLMKButler, Warren31 min
Apr 8, 1:28 PM EDTSevere Thunderstorm WarningLMKEdmonson17 min
Apr 8, 1:33 PM EDTSevere Thunderstorm WarningLMKGrayson, Ohio27 min
Apr 8, 2:05 PM EDTSevere Thunderstorm WarningLMKBreckinridge, Hardin25 min
Apr 8, 2:35 PM EDTSevere Thunderstorm WarningLMKHardin, Meade30 min
Apr 8, 2:35 PM EDTSevere Thunderstorm WarningLMKBullitt30 min
Apr 8, 2:58 PM EDTSevere Thunderstorm WarningLMKJefferson, Spencer32 min
Apr 8, 3:16 PM EDTSevere Thunderstorm WarningLMKShelby29 min

Nearby

Tornado Warnings in Kentucky, 1998Every tornado warning in 1998Tornadoes 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.