Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 52, NWS Louisville, KY

May 20, 1998Bullitt County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at May 20, 1998, 1:00 AM EDT for Bullitt County, Kentucky. It was in force for 35 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, 1:00 AM EDT (05:00 UTC)
Expired
May 20, 1998, 1:35 AM EDT
In force
35 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Bullitt County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 5.0 hours before the alert went out and 220 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 00:00Z on 1998-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 388 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, Nashville Metro, TN at 00:00Z on 1998-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
388 J/kg
Mixed-layer CIN
-253 J/kg
Mixed-layer LCL
2089 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

226 
WUUS1 KSDF 200502 RRA
SVRSDF
KYC029-200535-

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

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BULLITT COUNTY IN NORTH CENTRAL KENTUCKY
  
* UNTIL 135 AM EDT

* AT 100 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM WESTGROVE IN SHELBY COUNTY
  THROUGH WILSON IN SPENCER COUNTY...MOVING SOUTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SHEPHERDSVILLE BEFORE 110 AM EDT
  CLERMONT BEFORE 120 AM EDT

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, 2 hours 45 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, 2 hours 45 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, 41 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

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, 1:18 AM EDTSevere Thunderstorm WarningLMKAnderson, Franklin32 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.