Alert archive / Kentucky / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 2, NWS Louisville, KY

May 4, 1990Bullitt County, Hardin County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at May 4, 1990, 1:23 PM EDT for Bullitt County, Hardin County, Kentucky. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
May 4, 1990, 1:23 PM EDT (17:23 UTC)
Expired
May 4, 1990, 2:00 PM EDT
In force
37 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Bullitt County, KY, Hardin 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 12:00Z, 5.4 hours before the alert went out and 201 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 12:00Z on 1990-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1371 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 12:00Z on 1990-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.1939587897Sfc1 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
1371 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
867 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSDF 041723
SVRSDF
KYC029-093-041800-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
123 PM EDT FRI MAY 4 1990
 
THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  200 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTH CENTRAL KENTUCKY
          ...WESTERN BULLITT...NORTHERN HARDIN
 
AT 120 PM EDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM 20 MILES
SOUTHWEST OF LOUISVILLE NEAR MULDRAUGH IN EASTERN MEADE COUNTY.
QUARTER SIZE HAIL WAS REPORTED WITH THIS STORM AS IT MOVED THROUGH
HARNED IN BRECKINRIDGE COUNTY.
 
THE STORM WAS MOVING NORTHEAST AT 20 MPH AND ITS TRACK WILL TAKE IT
INTO THE TOWN OF STITES BY 140 PM EDT.
 
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.
 
LIGHTNING IS THE SINGLE WORST KILLER WITHIN A THUNDERSTORM
...SO STAY INDOORS AND AVOID USING ELECTRICAL APPLIANCES.
HEAVY RAINS FROM THUNDERSTORMS FLOOD ROADWAYS QUICKLY
...SO AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.G
 
KIRKPATRICK
N

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, May 4, 7:40 AM EDT, 5 hours 43 minutes before
KYZ007-041345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LEXINGTON KY
740 AM EDT FRI MAY 4 1990

SEVERAL THUNDERSTORMS WERE CONTINUING TO MOVE THROUGH PARTS OF
EAST CENTRAL THIS MORNING AT 730 AM. THE STRONGEST THUNDERSTORM WAS
OVER SOUTHERN ANDERSON COUNTY MOVING TOWARD LAWRENCBURG. THERE WERE
OTHER STORMS OVER THE CITY OF LEXINGTON...SOUTHERN SCOTT COUNTY
OVER GEORGETOWN...NORTHERN JESSAMINE COUNTY..ABOUT 5 MILES SOUTH OF
LEXINGTON.

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

THESE THUNDERSTORMS WERE MOVING RAPIDLY NORTHEAST AT 40 TO 45 MILES
AN HOUR.

SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH PARTS OF THE
CENTRAL BLUEGRASS REGION THIS MORNING THROUGH 930 AM. SOME OF
THESE STORMS WERE PRODUCING RAIN AMOUNTS OF NEARLY AN INCH IN LESS
THAN ONE HOUR. SOME AREA ROADS MAY TEMPORARILY FLOOD OR HAVE STANDING
WATER CAUSING LOCALIZED PROBLEMS FOR MORNING MOTORISTS. IF YOU ARE
AFFECTED BY THESE THUNDERSTORMS THIS MORNING...TAKE ALL NECESSARY
PRECAUTIONS AND PROTECT YOURSELF FROM POSSIBLY DAMAGING WEATHER THIS
MORNING.,
ULLOM
Special weather statement, May 4, 8:13 AM EDT, 5 hours 10 minutes before
KYZ004-041300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
804 AM EDT FRI MAY 4 1990

SCATTERED THUNDERSTORMS WERE OCCURING OVER MANY PARTS OF NORTH
CENTRAL KENTUCKY AND SOUTH CENTRAL INDIANA. AT 8 AM EDT...
RADAR INDICATED THE STORMS WITH THE HEAVIEST RAINFALL WERE JUST NORTH
AND OVER LOUISVILLE AND JUST NORTH OF LEXINGTON. MOST OF THE
THUNDERSTORMS WERE IN SOUTH CENTRAL INDIANA.

THESE STORMS ARE CAPABLE OF PRODUCING DEADLY LIGHTNING...BRIEF GUSTY
WINDS AND AND BRIEF HEAVY RAINS. THE STORMS WERE MOVING NORTHEAST
AND SHOULD BE THROUGH LOUISVILLE DURING THE NEXT TWO HOURS.
OTHER STORMS WERE FORMING NORTH OF BOWLING GREEN. IF THESE STORMS
MOVE INTO YOUR AREA...SEEK SHELTER UNTIL THEY PASS.

WILSON
Special weather statement, May 4, 8:34 AM EDT, 4 hours 49 minutes before
KYZ007-041330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LEXINGTON KY
830 AM EDT FRI MAY 4 1990

AT 830 AM EDT THUNDERSTORMS WERE MOVING ACROSS EAST CENTRAL KENTUCKY.
THE STORMS WITH THE HEAVIEST RAINFALL WERE LOCATED OVER HARRISON
BOURBON NICHOLAS AND FLEMING COUNTIES...NORTH AND NORTHEAST OF LEXINGTON.

ALL SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH. THE
THUNDERSTORMS WILL BE MOVING THROUGH HARRISON ROBERTSON NICHOLAS AND
FLEMING COUNTIES OF EAST CENTRAL KENTUCKY THROUGH 930 AM EDT THIS FRIDAY
MORNING.

SMALL HAIL...HEAVY RAIN AND DEADLY LIGHTNING STRIKES ARE POSSIBLE
WITH THE PASSAGE OF THESE THUNDERSTORMS. SEEK SHELTER FROM DANGEROUS
WEATHER IN A STRONG BUILDIN*G.
WHITE
Special weather statement, May 4, 9:16 AM EDT, 4 hours 7 minutes before
KYZ004-041400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
904 AM EDT FRI MAY 4 1990

SCATTERED THUNDERSTORMS WERE OCCURING OVER MANY PARTS OF NORTH
CENTRAL KENTUCKY AND SOUTH CENTRAL INDIANA. AT 9 AM EDT...
RADAR INDICATED THE STORMS WITH THE HEAVIEST RAINFALL WERE JUST EAST
OF LOUISVILLE AND BETWEEN LOIUSVILLE AND CINCINNATI. MOST OF THE
THUNDERSTORMS WERE IN SOUTH CENTRAL INDIANA.

THESE STORMS ARE CAPABLE OF PRODUCING DEAHDLY LIGHTNING...BRIEF GUSTY
WINDS AND AND BRIEF HEAVY RAINS. THE STORMS WERE MOVING NORTHEAST
AND SHOULD BE THROUGH NORTH CENTRAL KENTUCKY DURING THE NEXT TWO HOURS.
IF THESE STORMS MOVE INTO YOUR AREA...GO INDOORS.

WILSON
Special weather statement, May 4, 12:13 PM EDT, 1 hour 10 minutes before
KYZ004-041700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1215 PM EDT FRI MAY 4 1990

...TORNADO WATCH PARTS OF CENTRAL AND WEST KENTUCKY TIL 6 PM EDT...

A LINE OF THUNDERSTORMS FROM OWENSBORO SOUTHWEST TO THE LAND BETWEEN
THE LAKES IN WEST KENTUCKY WILL MOVE EAST INTO CENTRAL KENTUCKY AND
SOUTH CENTRAL INDIANA THROUGH 2 PM EDT. THESE STORMS WILL PRODUCE BRIEF
HEAVY RAIN...GUSTY WIND AND...IN A FEW...LARGE HAIL.

IF THREATENING WEATHER APPORACHES...TAKE SECURE INDOOR SHELTER. FREQUENT
AND DANGEROUS LIGHTNING WILL ACCOMPANY MOST OF THESE THUNDERSTORMS.

REITMEYER
Special weather statement, May 4, 1:04 PM EDT, 19 minutes before
KYZ007-041800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LEXINGTON KY
100 PM EDT FRI MAY 4 1990

AT 100 PM EDT THUNDERSTORMS WERE DEVELOPING OVER EAST CENTRAL KENTUCKY.
THE STRONGEST STORMS WERE LOCATED OVER CENTRAL ANDERSON COUNTY OR 20
MILES WEST OF LEXINGTON.

THE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH AND WILL MOVE ACROSS
FRANKLIN SCOTT AND WOODFORD COUNTIES THROUGH 200 PM EDT THIS FRIDAY
AFTERNOON.

SMALL HAIL...STRONG GUST8Y WINDS...HEAVY RAIN AND DEADLY LIGHTNING
STRIKES ARE POSSIBLE WITH THE PASSAGE OF THESE THUNDERSTORMS. SEEK
SHELTER FROM ANY DANGEROUS WEATHER IN A STRONG REINFORCED BUILDING.
WHITE

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 12:53 PM EDTSevere Thunderstorm WarningLMKBreckinridge, Meade52 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.