Alert archive / Kentucky / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 22, NWS Louisville, KY

June 7, 1990Adair County, Casey County, Taylor County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 7, 1990, 4:01 AM CDT for Adair County, Casey County, Taylor County, Kentucky. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1990, 4:01 AM CDT (09:01 UTC)
Expired
Jun 7, 1990, 4:45 AM CDT
In force
44 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Adair County, KY, Casey County, KY, Taylor 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

Nashville Metro, TN (KBNA), launched 00:00Z, 9.0 hours before the alert went out and 179 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 1990-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1990-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -215 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1178 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-215 m²/s²
0-3 km storm-relative helicity
70 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 070902
SVRSDF
KYC001-045-217-070945-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
501 AM EDT THU JUN 7 1990
 
THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH CENTRAL KENTUCKY
          ...ADAIR...CASEY...TAYLOR
 
AT 450 AM EDT GOLF BALL SIZED HAIL WAS REPORTED BY COUNTY POLICE ON
THE MARION...TAYLOR COUNTY LINE. THE THUNDERSTORMS WERE MOVING TO THE
SOUTHEAST.
 
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.
 
IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
SCHOLZ

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, Jun 7, 3:40 AM CDT, 21 minutes before
KYZ007-071030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LEXINGTON KY
440 AM EDT THU JUN 7 1990

...STRONG THUNDERSTORMS MOVING THROUGH EAST CENTRAL KENTUCKY...

A LINE OF SHOWERS AND THUNDERSTORMS WAS MOVING RAPIDLY SOUTHEAST THROUGH
EAST CENTRAL KENTUCKY THIS MORNING AT 430 AM. THE LEADING EDGE OF THIS
LINE WAS GENERALLY FROM PORTSMOUTH OHIO THROUGH FLEMINGSBURG AND
WINCHESTER THEN SOUTHWEST TO DANVILLE. THE STRONGEST THUNDERSTORMS WERE
OVER FLEMING COUNTY NEAR FLEMINGSBURG...45 MILES NORTHEAST OF LEXINGTON
...AND OVER SOUTHERN BOURBON COUNTY...24 MILES NORTHEAST OF LEXINGTON.

THESE THUNDERSTORMS THIS MORNING WERE PRODUCING BRIEF PERIODS OF VERY
HEAVY RAIN...FREQUENT AND DANGEROUS LIGHTNING AND STRONG GUSTY WINDS.
SMALL HAIL MAY ALSO BE PRODUCED BY THESE THUNDERSTORMS.

WITH THE HEAVY AND SUDDEN DOWNPOURS PRODUCED BY SOME OF THE STRONGER
STORMS THIS MORNING...YOU SHOULD BE VERY CAUTIOUS OF PONDING AND STANDING
WATER ON AREA ROADS. POORLY DRAINING DITCHES AND SEWAGE SYSTEMS MAY ALSO
CAUSE MINOR FLOODING OF AREA ROADS.
ULLOM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 4:43 AM CDTSevere Thunderstorm WarningLMKBullitt, Jefferson47 min
Jun 7, 5:56 AM CDTSevere Thunderstorm WarningLMKJefferson49 min
Jun 7, 6:18 AM CDTFlash Flood WarningLMKJefferson3 hr
Jun 7, 6:52 AM CDTFlash Flood WarningLMKOldham3 hr
Jun 7, 7:39 AM CDTTornado WarningLMKJefferson51 min
Jun 7, 7:59 AM CDTTornado WarningLMKOldham, Shelby46 min
Jun 7, 7:59 AM CDTTornado WarningLMKBullitt, Spencer46 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1990Every severe thunderstorm warning in 1990

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.