Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 53, NWS Louisville, KY

May 20, 1998Anderson County, Franklin County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at May 20, 1998, 1:18 AM EDT for Anderson County, Franklin County, Kentucky. It was in force for 32 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
May 20, 1998, 1:18 AM EDT (05:18 UTC)
Expired
May 20, 1998, 1:50 AM EDT
In force
32 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Anderson County, KY, Franklin County, KY

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 5.3 hours before the alert went out and 176 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 00:00Z on 1998-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1270 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 00:00Z on 1998-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.193958Sfc1 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
1270 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
1675 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

367 
WUUS1 KSDF 200519 RRA
SVRSDF
KYC005-073-200550-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
118 AM EDT WED MAY 20 1998

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ANDERSON COUNTY IN EAST CENTRAL KENTUCKY
  FRANKLIN COUNTY IN EAST CENTRAL KENTUCKY

* UNTIL 150 AM EDT

* AT 116 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CROSSING INTO FRANKLIN COUNTY
  EXTENDING SOUTHWEST NEAR GLENSBORO... MOVING SOUTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FRANKFORT IMMEDIATELY
  LAWRENCEBURG IMMEDIATELY

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS

DEWALD

What forecasters said that day

The local office's own words before this severe thunderstorm 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, May 19, 10:15 PM EDT, 3 hours 3 minutes before
KYZ023>043-045>049-053>057-061>067-070>078-081-082-INZ076-079-083-
084-089>092-192130-

CENTRAL KENTUCKY AND SOUTH-CENTRAL INDIANA SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
1015 PM EDT TUE MAY 19 1998

THE STORM PREDICTION CENTER HAS INDICATED THAT A SLIGHT RISK OF
SEVERE THUNDERSTORMS EXISTS ACROSS CENTRAL KENTUCKY AND SOUTH
CENTRAL INDIANA TONIGHT. MAJOR CITIES IN THE SLIGHT RISK AREA
INCLUDE LOUISVILLE...LEXINGTON AND BOWLING GREEN.

A STORM COMPLEX DROPPING SOUTHEAST ACROSS CENTRAL ILLINOIS AND
CENTRAL INDIANA WILL LIKELY SPREAD ACROSS SOUTHERN INDIANA INTO
PORTIONS OF CENTRAL AND SOUTHERN KENTUCKY BY WEDNESDAY MORNING.

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

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 TONIGHT.
Special weather statement, May 19, 10:15 PM EDT, 3 hours 3 minutes before
KYZ023>043-045>049-053>057-061>067-070>078-081-082-INZ076-079-083-
084-089>092-192130-

CENTRAL KENTUCKY AND SOUTH-CENTRAL INDIANA SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
1015 PM EDT TUE MAY 19 1998

THE STORM PREDICTION CENTER HAS INDICATED THAT A SLIGHT RISK OF
SEVERE THUNDERSTORMS EXISTS ACROSS CENTRAL KENTUCKY AND SOUTH
CENTRAL INDIANA TONIGHT. MAJOR CITIES IN THE SLIGHT RISK AREA
INCLUDE LOUISVILLE...LEXINGTON AND BOWLING GREEN.

A STORM COMPLEX DROPPING SOUTHEAST ACROSS CENTRAL ILLINOIS AND
CENTRAL INDIANA WILL LIKELY SPREAD ACROSS SOUTHERN INDIANA INTO
PORTIONS OF CENTRAL AND SOUTHERN KENTUCKY BY WEDNESDAY MORNING.

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

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 TONIGHT.
Local storm report, May 20, 12:19 AM EDT, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
1219 AM EDT WED MAY 20 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1150 PM    ORANGEVILLE               IN   .75 INCH HAIL
05/19/98   ORANGE                         REPORTED BY NWS SPOTTER

1155 PM    PAOLI                     IN   WIND DAMAGE
05/19/98   ORANGE                         NUMEROUS POWER OUTAGES
                                          REPORTED ACROSS THE COUNTY
Local storm report, May 20, 1:10 AM EDT, 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
110 AM EDT WED MAY 20 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1243 AM    LOUISVILLE                KY   1.75 INCH HAIL
05/20/98   JEFFERSON                      REPORT FROM NBC LOCAL NEWS
                                          STATION

1253 AM    LOUISVILLE                KY   WIND DAMAGE
05/20/98   JEFFERSON                      NUMEROUS POWER OUTAGES AND
                                          WIRES DOWN. NUMEROUS
                                          REPORTS OF TREES DOWN.

1255 AM    PEWEE VLY                 KY   WIND DAMAGE
05/20/98   OLDHAM                         TWO TREES DOWN. REPORTED
                                          BY DISPATCH.

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 12:45 AM EDTSevere Thunderstorm WarningLMKJefferson, Oldham, Shelby, Spencer35 min
May 20, 1:00 AM EDTSevere Thunderstorm WarningLMKBullitt35 min
May 20, 1:43 AM EDTSevere Thunderstorm WarningLMKFayette32 min
May 20, 2:20 AM EDTSevere Thunderstorm WarningLMKMadison20 min
May 20, 3:25 PM EDTSevere Thunderstorm WarningLMKHancock40 min
May 20, 3:53 PM EDTSevere Thunderstorm WarningLMKBreckinridge, Meade37 min
May 20, 4:29 PM EDTSevere Thunderstorm WarningLMKBullitt, Hardin, Jefferson36 min
May 20, 4:55 PM EDTSevere Thunderstorm WarningLMKLarue, Nelson30 min
May 20, 5:00 PM EDTSevere Thunderstorm WarningLMKSpencer30 min
May 20, 5:10 PM EDTSevere Thunderstorm WarningLMKMarion, Washington30 min
May 20, 5:15 PM EDTSevere Thunderstorm WarningLMKGreen, Taylor30 min
May 20, 5:26 PM EDTSevere Thunderstorm WarningLMKAnderson, Mercer39 min
May 20, 5:26 PM EDTSevere Thunderstorm WarningLMKBoyle, Casey39 min
May 20, 5:40 PM EDTSevere Thunderstorm WarningLMKJessamine, Woodford45 min
May 20, 5:40 PM EDTSevere Thunderstorm WarningLMKGarrard, Lincoln45 min
May 20, 6:05 PM EDTSevere Thunderstorm WarningLMKClark, Fayette, Madison40 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1998Every severe thunderstorm warning 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.