Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 55, NWS Louisville, KY

May 20, 1998Madison County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at May 20, 1998, 2:20 AM EDT for Madison County, Kentucky. It was in force for 20 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, 2:20 AM EDT (06:20 UTC)
Expired: May 20, 1998, 2:40 AM EDT
In force: 20 min
Issued by: NWS Louisville, KY
Area: Whole counties

County Madison County, KY

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.3 hours before the alert went out and 195 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

616 
WUUS1 KSDF 200622 RRA
SVRSDF
KYC151-200640-

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

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN MADISON COUNTY IN EAST CENTRAL KENTUCKY

* UNTIL 240 AM EDT

* AT 220 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM JUST EAST OF BEREA...OR 30 MILES SOUTHEAST OF
  LEXINGTON... MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DULUTH AND BIGHILL SHORTLY

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, 4 hours 5 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, 4 hours 5 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, 2 hours 1 minute 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, 1 hour 10 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.

Local storm report, May 20, 1:21 AM EDT, 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
121 AM EDT WED MAY 20 1998

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

0110 AM    TAYLORSVILLE              KY   WIND DAMAGE
05/20/98   SPENCER                        NUMEROUS REPORTS OF TREES
                                          DOWN ACROSS THE COUNTY.
                                          REPORT FROM LOCAL
                                          DISPATCH.

0110 AM    SHELBYVILLE               KY   WIND DAMAGE
05/20/98   SHELBY                         NUMEROUS REPORTS OF TREES
                                          DOWN ACROSS THE COUNTY.
                                          REPORT FROM LOCAL
                                          DISPATCH.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 20, 12:45 AM EDT	Severe Thunderstorm Warning	LMK	Jefferson, Oldham, Shelby, Spencer	35 min
May 20, 1:00 AM EDT	Severe Thunderstorm Warning	LMK	Bullitt	35 min
May 20, 1:18 AM EDT	Severe Thunderstorm Warning	LMK	Anderson, Franklin	32 min
May 20, 1:43 AM EDT	Severe Thunderstorm Warning	LMK	Fayette	32 min
May 20, 3:25 PM EDT	Severe Thunderstorm Warning	LMK	Hancock	40 min
May 20, 3:53 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Meade	37 min
May 20, 4:29 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Jefferson	36 min
May 20, 4:55 PM EDT	Severe Thunderstorm Warning	LMK	Larue, Nelson	30 min
May 20, 5:00 PM EDT	Severe Thunderstorm Warning	LMK	Spencer	30 min
May 20, 5:10 PM EDT	Severe Thunderstorm Warning	LMK	Marion, Washington	30 min
May 20, 5:15 PM EDT	Severe Thunderstorm Warning	LMK	Green, Taylor	30 min
May 20, 5:26 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Mercer	39 min
May 20, 5:26 PM EDT	Severe Thunderstorm Warning	LMK	Boyle, Casey	39 min
May 20, 5:40 PM EDT	Severe Thunderstorm Warning	LMK	Jessamine, Woodford	45 min
May 20, 5:40 PM EDT	Severe Thunderstorm Warning	LMK	Garrard, Lincoln	45 min
May 20, 6:05 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Fayette, Madison	40 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1998 Every 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.