Alert archive / Kentucky / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 96, NWS Louisville, KY

April 30, 1997Hardin County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Apr 30, 1997, 10:28 PM EDT for Hardin 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
Apr 30, 1997, 10:28 PM EDT (02:28 UTC)
Expired
Apr 30, 1997, 11:00 PM EDT
In force
32 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Hardin County, KY

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 30, 7:30 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 2.5 hours before the alert went out and 183 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 1997-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 70 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 1997-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 308 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
70 J/kg
Mixed-layer CIN
-236 J/kg
Mixed-layer LCL
1685 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
308 m²/s²
0-3 km storm-relative helicity
433 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSDF 010227 RRA
SVRSDF
KYC093-010300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1028 PM EDT WED APR 30 1997
 
THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM EDT
FOR PERSONS IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL KENTUCKY
 
   ...HARDIN COUNTY
 
AT 1025 PM EDT WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 40
MILES SOUTHWEST OF LOUISVILLE NEAR SUMMIT.
 
THE STORM WAS MOVING TO THE EAST AT 40 MPH.
 
LARGE HAIL AND DAMAGING WIND ARE LIKELY WITH THIS STORM.
 
SOME CITIES IN THE PATH OF THIS STORM ARE...GLENDALE...NOLIN...AND SONORBY 1040 PM EDT AND ELIZABTHTOWN BY 1045 PM EDT
 
WHEN THUNDERSTORMS OCCUR...MOVE INSIDE A STRONG BUILDING.  GO TO
THE INTERIOR SECTION...OR PREFERABLY A BASEMENT OR LOWEST LEVEL
IF POSSIBLE.  DO NOT STAND NEAR WINDOWS. DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. STAY AWAY FROM
ALL DOWNED WIRES.
 
 
RNK

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, Apr 30, 6:35 PM EDT, 3 hours 53 minutes before
INZ076>079-083-010400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
635 PM EDT WED APR 30 1997

...A TORNADO WATCH IS IN AFFECT FOR PARTS OF SOUTHERN INDIANA UNTIL
12 MIDNIGHT EDT...
A TORNADO WATCH HAS BEEN ISSUED FOR THE FOLLOWING COUNITES OF
SOUTHERN INDIANA...DUBOIS...ORANGE...WASHINGTON...SCOTT...AND
JEFFERSON. STRONG TO SEVERE THUNDERSTORMS WERE DEVELOPING RAPIDLY
ACROSS SOUTHERN ILLINOIS...AND THE POTENTIAL FOR SOME OF THESE
STORMS TO PRODUCE ISOLATED TORNADOES DOES EXIST THIS EVENING.
YOU SHOULD MONITOR THE WEATHER IS EVENING.

MCT
Special weather statement, Apr 30, 10:05 PM EDT, 23 minutes before
INZ076>079-083-010400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1005 PM EDT WED APR 30 1997

...A TORNADO WATCH REMAINS IN AFFECT FOR PARTS OF SOUTHERN INDIANA UNTIL
12 MIDNIGHT EDT FOR DUBOIS/ORANGE/WASHINGTON/SCOTT AND JEFFERSON COUNTIES...
THE LINE OF SEVERE THUNDERSTORMS WITH THE POTENTIAL FOR ISOLATED TORNADOES
WILL PUSH THROUGH SOUTHERN INDIANA OVER THE NEXT 2-4 HOURS. STRONG WINDS
TO 60-70 MPH AND LARGE HAIL...AS WELL AS THE POTENTIAL FOR ISOLATED TORNADOES
ARE POSSIBLE WITH THE STORMS. A STORM SPOTTER IN CRAWFORD COUNTY REPORTED
WINDS TO 67 MPH.

MCT
Local storm report, Apr 30, 10:06 PM EDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1006 PM EDT WED APR 30 1997

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

0900 PM    CURBY                     IN   67 MPH TSTM GUST
04/30/97   CRAWFORD                       SPOTTER ALSO SAW FUNNEL
                                          CLOUD THAT NEVER TOUCHED
                                          DOWN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 9:19 PM EDTSevere Thunderstorm WarningLMKOhio41 min
Apr 30, 10:13 PM EDTSevere Thunderstorm WarningLMKGrayson32 min
Apr 30, 10:32 PM EDTSevere Thunderstorm WarningLMKTrimble28 min
Apr 30, 10:37 PM EDTSevere Thunderstorm WarningLMKLogan38 min
Apr 30, 10:48 PM EDTSevere Thunderstorm WarningLMKLarue, Nelson42 min
Apr 30, 11:08 PM EDTSevere Thunderstorm WarningLMKSimpson, Warren37 min
Apr 30, 11:19 PM EDTTornado WarningLMKWarren26 min
Apr 30, 11:24 PM EDTSevere Thunderstorm WarningLMKMercer, Washington36 min
Apr 30, 11:33 PM EDTSevere Thunderstorm WarningLMKAllen, Barren42 min
May 1, 12:07 AM EDTSevere Thunderstorm WarningLMKMonroe38 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1997Every severe thunderstorm warning in 1997

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.