Alert archive / Kentucky / Tornado Warnings in 1987

Tornado Warning 1, NWS Louisville, KY

May 14, 1987Trimble County, Kentucky

NWS Louisville, KY issued this tornado warning at May 14, 1987, 8:08 PM EDT for Trimble County, Kentucky. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
May 14, 1987, 8:08 PM EDT (00:08 UTC)
Expired
May 14, 1987, 9:15 PM EDT
In force
67 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Trimble County, KY

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 0.1 hours before the alert went out and 173 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, Dayton/James M C, OH at 00:00Z on 1987-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1181 joules per kilogram.LCLEL10008507005003002001001 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, Dayton/James M C, OH at 00:00Z on 1987-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939Sfc1 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
1181 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1648 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
53 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 KSDF 150008
TORSDF
KYC223-INC077-150115-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
808 PM EDT THU MAY 14 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL  915 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTH CENTRAL KENTUCKY
          ...NORTHERN TRIMBLE
IN SOUTH INDIANA
          ...JEFFERSON
 
SELLERSBURG STATE POLICE REPORTED A PUBLIC SIGHTING OF A POSSIBLE
TORNADO AT 8PM EDT NEAR THE CITY OF DEPUTY IN JEFFERSON COUNTY
INDIANA. THIS STORM WAS MOVING EAST AT ABOUT 15 MPH.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO B*ASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
KLEIN

What forecasters said that day

The local office's own words before this tornado 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 14, 4:19 PM EDT, 3 hours 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
415 PM EDT THU MAY 14 1987

MOIST...UNSTABLE AIR REMAINS IN PLACE OVER KENTUCKY AND INDIANA
THIS AFTERNOON...COUPLED WITH TEMPERATURES IN THE MID TO UPPER 80S.

AS A RESULT...THUNDERSTORMS WERE CONTINUING TO DEVELOP OVER
SOUTHERN INDIANA AND NORTHERN KENTUCKY ALONG THE OHIO RIVER...
FROM PADUCAH TO JUST EAST OF EVANSVILLE INDIANA.

A 75 MILE WIDE AREA OF WIDELY SCATTERED THUNDERSTORMS...SOME
PRODUCING HEAVY RAINS...AND POSSIBLE SMALL HAIL STRETCH FROM MARION
ILLINOIS TO SEYMOUR INDIANA. THESE THUNDERSTORMS ARE MOVING TO THE
EAST AT 30 MPH AND WERE INCREASING IN BOTH INTENSITY AND NUMBER.

ANOTHER LARGE AREA OF INTENSE THUNDERSTORMS WAS LOCATED OVER THE
LAKE CUMBERLAND AREA.

THUNDERSTORM DEVELOPMENT WILL CONTINUE THROUGHOUT THE AFTERNOON
HOURS ACROSS SOUTHERN INDIANA AND KENTUCKY. PERSONS SHOULD BE
PREPARED TO SEEK INDOOR SHELTER SHOULD STORMS THREATEN AND
CONTINUE TO LISTEN TO NOAA WEATHER RADIO FOR THE POSSIBLE
ISSUANCE OF ANY SEVERE WEATHER WATCHES OR WARNINGS.

A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR PARTS OF
EAST CENTRAL ILLINOIS AND CENTRAL INDIANA UNTIL 8 PM CDT...9 PM @EDT.
THIS WATCH AREA IS ALONG AND 70 STATUTE MILES NORTH AND SOUTH OF A LINE
FROM 30 MILES WEST OF CHAMPAIGN ILLINOIS TO 10 MILES EAST OF
DETROIT MICHIGAN.

POOLE
Special weather statement, May 14, 5:10 PM EDT, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
500 PM EDT THU MAY 14 1987

STRONG THUNDERSTORMS ARE INCREASING OVER ARKANSAS NORTHEAST THROUGH
SOUTHEAST MISSOURI...SOUTHERN ILLINOIS...SOUTHERN INDIANA...AND
WESTERN KENTUCKY ALONG THE OHIO RIVER. THIS BAND OF STORMS IS
ABOUT 75 MILES WIDE...WITH THE STRONGEST ACTIVITY AT 5 PM EDT OVER
SOUTHERN ILLINOIS AND NORTHWEST ARKANSAS.

STRONG STORMS WERE 25 MILES NORTH OF EVANSVILLE INDIANA AND 10
MILES NORTH OF OWENSBORO KENTUCKY. THESE STORMS ARE MOVING TOWARDS
THE EAST AT 15 MPH.

ANOTHER AREA OF STRONG THUNDERSTORMS WAS LOCATED OVER THE LAKE
CUMBERLAND AREA.

SOME OF THESE STORMS WILL PRODUCE VERY HEAVY RAIN...DANGEROUS LIGHTNING
AND STRONG GUSTY WINDS. PONDING OF WATER IN LOW LYING AREAS IS POSSIBLE
AS THESE STORMS PASS OVER URBAN AREAS...PRODUCING HEAVY RAINFALL.
<
THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGH THE AFTERNOON AND
EVENING HOURS ACROSS SOUTHERN INDIANA AND KENTUCKY. PERSONS SHOULD BE
PREPARED TO SEEK INDOOR SHELTER SHOULD STORMS THREATEN AND
CONTINUE TO LISTEN TO NOAA WEATHER RADIO FOR THE LATEST WEATHER
UPDATES.

A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR PARTS OFg
EAST CENTRAL ILLINOIS AND CENTRAL INDIANA UNTIL 8 PM CDT...9 PM EDT.
THIS WATCH AREA IS ALONG AND 70 STATUTE MILES NORTH AND SOUTH OF A LINE
FROM 30 MILES WEST OF CHAMPAIGN ILLINOIS TO 10 MILES EAST OF
DETROIT MICHIGAN.

POOLE
Special weather statement, May 14, 6:10 PM EDT, 1 hour 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
600 PM EDT THU MAY 14 1987

INTENSE THUNDERSTORMS CONTINUE OVER SOUTHEAST MISSOURI...SOUTHERN
ILLINOIS...SOUTHERN INDIANA AND WEST KENTUCKY. THE STRONGEST STORMS
WERE OCCURRING NEAR CAPE GIRARDEAU MISSOURI OVER THE BOOTHEEL...
AND JUST TO THE SOUTH OF HARRISBURG ILLINOIS...AROUND 35 MILES TO THE
NORTHEAST OF PADUCAH. THESE STORMS STRETCH NORTHEAST INTO THE
EVANSVILLE AREA MOVING TO THE SOUTH AT 15 MPH.

OTHER THUNDERSTORMS CONTINUE OVER THE LAKE CUMBERLAND AREA OF
SOUTHCENTRAL KENTUCKY.

THESE THUNDERSTORMS WILL LIKELY PRODUCE HEAVY RAINS...STRONG GUSTY
WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING AND POSSIBLY SOME SMALL
HAIL. PERSONS IN THE PATHS OF THESE THUNDERSTORMS SHOULD BE PREPARED
TO SEEK INDOOR SHELTER.
<
THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGH THE EVENING HOURS
ACROSS SOUTHERN INDIANA AND KENTUCKY. PERSONS SHOULD
CONTINUE TO LISTEN TO NOAA WEATHER RADIO FOR THE LATEST WEATHER
UPDATES.

A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR PARTS OF
EAST CENTRAL ILLINOIS AND CENTRAL INDIANA UNTIL 8 PM CDT...9 PM EDT.
THIS WATCH AREA IS ALONG AND 70 STATUTE MILES NORTH AND SOUTH OF A LINE
FROM 30 MILES WEST OF CHAMPAIGN ILLINOIS TO 10 MILES EAST OF
DETROIT MICHIGAN.

POOLE
Special weather statement, May 14, 8:08 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
805 PM EDT THU MAY 14 1987

INTENSE THUNDERSTORMS ARE APPROACHING THE LOUISVILLE METROPOLITAN
AREA. AT 8 PM EDT THE STRONGER THUNDERSTORMS WERE LOCATED FROM
DEPUTY INDIANA...LOCATED 37 MILES NORTH OF LOUISVILLE SOUTHWESTWARD
INTO PAOLI INDIANA...LOCATED 41 MILES NORTHWEST OF LOUISVILLE.
THESE THUNDERSTORMS ARE LIKELY TO PRODUCE STRONG WINDS...HEAVY DOWNPOURS
OF RAIN...DANGEROUS CLOUD TO GROUND LIGHTNING AND SMALL HAIL AS
THEY MOVE TO THE SOUTHEAST AT 15 MPH.

A FUNNEL CLOUD WAS REPORTED TO THE SELLERSBURG INDIANA STATE POLICE
POST NEAR DEPUTY INDIANA AT 8 PM EDT...37 MILES NORTH OF LOUISVILLE.

PERSON$S IN THE PATHS OF THESE THUNDERSTORMS SHOULD BE PREPARED TO
SEEK SAFE INDOOR SHELTER AND LISTEN TO NOAA WEATHER RADIO FOR
POSSIBLE SEVERE STORM WARNINGS.
POOLE

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 8:08 PM EDTSevere Thunderstorm WarningLMKJefferson67 min

Nearby

Tornado Warnings in Kentucky, 1987Every tornado warning in 1987Tornadoes in 1987

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.