Alert archive / Kentucky / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 21, NWS Louisville, KY

April 9, 1991Estill County, Madison County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Apr 9, 1991, 4:14 PM EDT for Estill County, Madison County, Kentucky. It was in force for 61 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 9, 1991, 4:14 PM EDT (20:14 UTC)
Expired
Apr 9, 1991, 5:15 PM EDT
In force
61 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Estill County, KY, Madison County, KY

What was reported inside it

TimeReportWhereRemark
Apr 9, 4:20 PM EDTThunderstorm Wind 0Estill, KY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Huntington/Tri S, WV (KHTS), launched 12:00Z, 8.2 hours before the alert went out and 160 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, Huntington/Tri S, WV at 12:00Z on 1991-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 211 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Huntington/Tri S, WV at 12:00Z on 1991-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 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
211 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
764 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
192 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.

000 
TTAA00 KLEX 092014
SVRLEX
KYC065-151-092115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LEXINGTON KY
414 PM EDT TUE APR 9 1991
 
THE NATIONAL WEATHER SERVICE IN LEXINGTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL KENTUCKY
 
   ...ESTILL COUNTY...MADISON COUNTY
 
THE WEATHER SERVICE RADAR AT JACKSON REPORTED TWO SEVERE THUNDERSTORMS
MOVING THROUGH MADISON COUNTY JUST EAST OF RICHMOND THIS AFTERNOON AT
415 PM. THESE STORMS WERE MOVING VERY RAPIDLY EAST NORTHEAST INTO
ESTILL COUNTY TOWARD IRVINE. ANOTHER STORM WAS MOVING THROUGH SOUTHERN
GARRARD COUNTY WITH POWER LINES DOWN AND MOVING TOWARD BEREA IN
MADISON COUNTY.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
ULLOM

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 9, 1:22 PM EDT, 2 hours 52 minutes before
KYZALL-INZ013-015-091900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
115 PM EDT TUE APR 9 1991

...STRONG THUNDERSTORMS HAD DEVELOPED JUST TO THE WEST AND NORTH
OF LOUISVILLE....

AT 1 PM EDT STRONG THUNDERSTORMS WERE LOCATED JUST TO THE WEST AND
NORTH OF LOUISVILLE FROM NEAR SCOTTSBURG INDIANA...ABOUT 35 MILES NORTH
OF LOUISVILLE...TO NEAR CORYDON INDIANA...25 MILES WEST OF LOUISVILLE
...SOUTH INTO MEADE COUNTY. THE STRONGEST STORMS WERE NORTH OF THE
OHIO RIVER OVER HARRISON...FLOYD...WASHINGTON AND CLARK COUNTIES IN
INDIANA.

THESE STORMS WERE MOVING RAPIDLY TO THE EAST AROUND 45 MPH AND WILL
MOVE ACROSS FLOYD AND CLARK COUNTIES IN INDIANA AND INTO JEFFERSON AND
OLDHAM COUNTIES IN KENTUCKY BY 2 PM EDT.

IF YOU ARE IN THE PATH OF THESE STORMS...SEEK A PLACE OF SAFETY INDOORS.
STRONG WINDS...SMALL HAIL AND VERY HEAVY RAIN ARE LIKELY WITH THESE
STORMS.

SCHOLZ
Special weather statement, Apr 9, 1:25 PM EDT, 2 hours 49 minutes before
KYZALL-INZ013-015-091900-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE LOUISVILLE KY
115 PM EDT TUE APR 9 1991

...STRONG THUNDERSTORMS HAD DEVELOPED JUST TO THE WEST AND NORTH
OF LOUISVILLE....

AT 1 PM EDT STRONG THUNDERSTORMS WERE LOCATED JUST TO THE WEST AND
NORTH OF LOUISVILLE FROM NEAR SCOTTSBURG INDIANA...ABOUT 35 MILES NORTH
OF LOUISVILLE...TO NEAR CORYDON INDIANA...25 MILES WEST OF LOUISVILLE
...SOUTH INTO MEADE COUNTY. THE STRONGEST STORMS WERE NORTH OF THE
OHIO RIVER OVER HARRISON...FLOYD...WASHINGTON AND CLARK COUNTIES IN
INDIANA. SMALL HAIL WAS REPORTED NORTH OF CORYDON IN HARRISON COUNTY.

THESE STORMS WERE MOVING RAPIDLY TO THE EAST AROUND 45 MPH AND WILL
MOVE ACROSS FLOYD AND CLARK COUNTIES IN INDIANA AND INTO JEFFERSON AND
OLDHAM COUNTIES IN KENTUCKY BY 2 PM EDT.

IF YOU ARE IN THE PATH OF THESE STORMS...SEEK A PLACE OF SAFETY INDOORS.
STRONG WINDS...SMALL HAIL AND VERY HEAVY RAIN ARE LIKELY WITH THESE
STORMS.

NO THUNDERSTORMS WERE OCCURRING OVER SOUTH CENTRAL KENTUCKY.

A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF SOUTH CENTRAL INDIANA
AND CENTRAL KENTUCKY UNTIL 7 PM EASTERN TIME.

SCHOLZ
Special weather statement, Apr 9, 1:40 PM EDT, 2 hours 34 minutes before
KYZALL-INZ013-015-091900-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE LOUISVILLE KY
140 PM EDT TUE APR 9 1991

...STRONG THUNDERSTORMS WAS MOVING ACROSS TRIMBLE COUNTY.

AT 130 PM EDT A STRONG THUNDERSTORM WAS LOCATED OVER TRIMBLE COUNTY...
AROUND 30 MILES NORTHEAST OF LOUISVILLE. MARBLE SIZED HAIL WAS REPORTED
WITH THIS STORM BETWEEN BEDFORD AND MILTON. THIS STORM WAS MOVING EAST
AROUND 40 MPH AND WILL BE OUT OF THE TRIMBLE COUNTY AREA BEFORE 2 PM.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK A PLACE OF SAFETY INDOORS.
STRONG WINDS...SMALL HAIL AND VERY HEAVY RAIN ARE LIKELY WITH THESE
STORMS.

A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF SOUTH CENTRAL INDIANA
AND& CENTRAL KENTUCKY UNTIL 7 PM EASTERN TIME.

SCHOLZ
Special weather statement, Apr 9, 2:08 PM EDT, 2 hours 6 minutes before
KYZALL-INZ013-015-092000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
210 PM EDT TUE APR 9 1991

...STRONG THUNDERSTORMS CONTINUED WEST AND NORTH OF LOUISVILLE...

AT 2 PM EDT STRONG THUNDERSTORMS CONTINUED TO THE NORTH AND WEST OF
LOUISVILLE FROM NEAR MEADE COUNTY TO NORTH OF LOUISVILLE ACROSS
WASHINGTON...HARRISON..FLOYD...CLARK AND SCOTT COUNTIES. MARBLE SIZED
HAIL HAS BEEN REPORTED WITH SOME OF THESE STORMS. STRONG WINDS HAVE
ALSO BEEN REPORTED.

THESE STORMS WERE MOVING RAPIDLY TO THE EAST.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK A PLACE OF SAFETY INDOORS.
STRONG WINDS...SMALL HAIL AND VERY HEAVY RAIN ARE LIKELY WITH THESE
STORMS.

A TORNADO WATCH REMAINSQ IN EFFECT FOR ALL OF SOUTH CENTRAL INDIANA
AND CENTRAL KENTUCKY.

SCHOLZ
Special weather statement, Apr 9, 3:50 PM EDT, 24 minutes before
KYZALL-INZ013-015-092200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
350 PM EDT TUE APR 9 1991

...HEAVY RAIN WAS OCCURRING OVER CENTRAL KENTUCKY AND SOUTH CENTRAL
INDIANA...

AT 350 PM EDT VERY HEAVY RAINS HAVE BEEN OCCURRING IN THE THUNDERSTORMS
THIS AFTERNOON. RAINFALL OF AROUND 1 INCH HAS BEEN REPORTED FOR THE
PAST TWO TO THREE HOURS IN MANY AREAS. WATER WAS REPORTED OVER A ROAD
IN JEFFERSON COUNTY INDIANA...ABOUT 35 MILES NORTHEAST OF LOUISVILLE.

RAIN WILL CONTINUE AND MANY OF THE THUNDERSTORS...ESPECIALLY THOSE EAST
OF INTERSTATE 65 COULD PRODUCE VERY HEAVY RAINS. PONDING OF WATER IS
LIKELY IN LOW AREAS.

DO NOT DRIVE INTO AREAS COVERED BY WATER. IF WATER BEGINS TO RISE MOVE
TO HIGHER GROUND.
SCHOLZ
Special weather statement, Apr 9, 4:10 PM EDT, 4 minutes before
KYZALL-092200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
410 PM EDT TUE APR 9 1991

STRONG THUNDERSTORMS CONTINUED AT 4 PM EDT OVER EAST AND SOUTHEAST
KENTUCKY...BUT STORMS HAD EASED OVER CENTRAL SECTIONS.  THEREFORE
THAT PART OF CENTRAL KENTUCKY SOUTHWEST OF A LINE FROM 45 MILES SOUTH/
WEST OF LOUISVILLE TO BURKESVILLE...35 MILES SOUTHWEST OF SOMERSET HAS
BEEN CLEARED FROM TORNAO WATCH 106.

INTERESTS STILL IN THE WATCH AREA SHOULD MONITOR WEATHER DEVELOPMENTS
UNTIL THE END OF THE WATCH AT 7 PM EDT.

REITMEYER

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 7:46 AM EDTSevere Thunderstorm WarningLMKCrittenden44 min
Apr 9, 2:38 PM EDTSevere Thunderstorm WarningLMKMeade37 min
Apr 9, 2:46 PM EDTSevere Thunderstorm WarningLMKJefferson, Oldham29 min
Apr 9, 3:09 PM EDTSevere Thunderstorm WarningLMKAdair, Clinton, Russell36 min
Apr 9, 3:11 PM EDTSevere Thunderstorm WarningLMKShelby49 min
Apr 9, 3:27 PM EDTSevere Thunderstorm WarningLMKCasey, Marion, Taylor48 min
Apr 9, 3:31 PM EDTSevere Thunderstorm WarningLMKGarrard, Madison104 min
Apr 9, 3:43 PM EDTSevere Thunderstorm WarningLMKMadison32 min
Apr 9, 3:57 PM EDTFlash Flood WarningLMKClark, Fayette, Jessamine63 min
Apr 9, 3:57 PM EDTFlash Flood WarningLMKGarrard63 min
Apr 9, 4:32 PM EDTSevere Thunderstorm WarningLMKBath, Montgomery, Powell28 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1991Every severe thunderstorm warning in 1991

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.