Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 89, NWS Louisville, KY

May 24, 1998Larue County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at May 24, 1998, 1:18 AM EDT for Larue County, Kentucky. It was in force for 47 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 24, 1998, 1:18 AM EDT (05:18 UTC)
Expired
May 24, 1998, 2:05 AM EDT
In force
47 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Larue County, KY

The radar

The Louisville radar (KLVX), 52 km from the middle of the area, began a volume at 05:21 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.

The watch it was issued in

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

IssuedProductOfficeLasted
May 23, 8:45 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 5.3 hours before the alert went out and 177 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 1998-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4636 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 1998-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.19395878Sfc1 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
4636 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
984 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
1.3
Supercell composite
6.0

Open this sounding in Storm Lab

The text

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

699 
WUUS1 KSDF 240520 RRA
SVRSDF
KYC029-123-179-240605-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
118 AM EDT SUN MAY 24 1998

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BULLITT COUNTY IN NORTH CENTRAL KENTUCKY
  NORTHERN LARUE COUNTY IN NORTH CENTRAL KENTUCKY
  NELSON COUNTY IN NORTH CENTRAL KENTUCKY

* UNTIL 205 AM EDT

* AT 115 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM FROM RADCLIFF TO ELIZABETHTOWN OR 25 MILES
  SOUTHWEST OF LOUISVILLE...MOVING EAST AROUND 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LEBANON JUNCTION BY 135 AM EDT
  BARDSTOWN BY 135 AM EDT

GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS A TORNADO
WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

KOCH/KIRKPATRICK


&

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

Local storm report, May 24, 1:12 AM EDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KENTUCKY
112 AM EDT SUN MAY 24 1998

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

0107 AM    HARDINSBURG               KY   WIND DAMAGE
05/24/98   BRECKINRIDGE                   NUMEROUS TREES AND
                                          POWERLINES DOWN. SMALL
                                          STORAGE BUILDING
                                          DESTROYED.

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 10:38 PM EDTSevere Thunderstorm WarningLMKAdair, Russell47 min
May 24, 12:26 AM EDTSevere Thunderstorm WarningLMKBreckinridge44 min
May 24, 12:43 AM EDTSevere Thunderstorm WarningLMKHardin, Meade42 min
May 24, 1:18 AM EDTSevere Thunderstorm WarningLMKBullitt, Nelson47 min
May 24, 1:52 AM EDTSevere Thunderstorm WarningLMKWashington43 min
May 24, 3:01 AM EDTSevere Thunderstorm WarningLMKMadison34 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; radar from the NEXRAD Level II archive.