Alert archive / Kentucky / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 40, NWS Louisville, KY

September 7, 1990Casey County, Marion County, Taylor County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Sep 7, 1990, 4:30 PM EDT for Casey County, Marion County, Taylor County, Kentucky. It was in force for 45 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
Sep 7, 1990, 4:30 PM EDT (20:30 UTC)
Expired
Sep 7, 1990, 5:15 PM EDT
In force
45 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Casey County, KY, Marion 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.

What was reported inside it

TimeReportWhereRemark
Sep 7, 4:41 PM EDTThunderstorm Wind 0Taylor, 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

Nashville Metro, TN (KBNA), launched 12:00Z, 8.5 hours before the alert went out and 191 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 1990-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 323 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 1990-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
323 J/kg
Mixed-layer CIN
-154 J/kg
Mixed-layer LCL
1740 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
64 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 072032 RRA
SVRSDF
KYC045-155-217-072115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
430 PM EDT FRI SEP 7 1990
 
THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH CENTRAL KENTUCKY
          ...NORTHERN CASEY...SOUTHEASTERN MARION...NORTHERN TAYLOR
 
AT 425 PM EDT...CAMPBELLSVILLE POLICE DEPARTMENT REPORTED TREES DOWN 5
MILES NORTH OF CAMPBELLSVILLE FROM A SEVERE THUNDERSTORM. NATIONAL
WEATHER SERVICE RADAR INDICATED THE SEVERE THUNDERSTORM WAS MOVING
EAST AROUND 25 MPH. THE STORM WILL MOVE TO JUST NORTH OF LIBERTY BY
500 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 PASSEDx.
 
HOLDERBACH

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, Sep 7, 1:18 PM EDT, 3 hours 12 minutes before
INZ15-KYZ04-071900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
115 PM EDT FRI SEP 7 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 PM EDT...

A COLD FRONT DROPPING SOUTH ACROSS THE SOUTHERN GREAT LAKES REGION IS
PRODUCING STRONG THUNDERSTORMS OVER CENTRAL INDIANA AND OHIO.  A SEVERE
THUNDERSTORM WATCH IS IN EFFECT FOR THE AREA INCLUDING SOUTHERN INDIANA
AND NORTHERN KENTUCKY.  THE STORMS ARE MOVING SOUTHEAST AROUND 25 MPH
AND WILL MOVE INTO SOUTHERN INDIANA AND NORTHERN KENTUCKY LATER THIS
AFTERNOON.

AMMERMAN
Special weather statement, Sep 7, 3:02 PM EDT, 1 hour 28 minutes before
KYZ007-072100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LEXINGTON KY
3 PM EDT FRI SEP 7 1990

...SEVERE THUNDERSTORM WATCH FOR PARTS OF EAST CENTRAL KENTUCKY...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF EAST CENTRAL
KENTUCKY UNTIL 6 PM THIS EVENING. AT 3 PM...SKIES WERE PARTLY TO MOSTLY
SUNNY AS TEMPERATURES HAD RISEN INTO THE LOWER 90S.

PARTLY TO MOSTLY SUNNY SKIES WILL CONTINUE OVER THE CENTRAL BLUEGRASS
THIS AFTERNO	ON THROUGH 5 PM. TEMPERATURES WILL BE RISING A DEGREE OR
TWO MORE.

ALTHOUGH THERE ARE NO SHOWERS OR THUNDERSTORMS IN KENTUCKY THIS
AFTERNOON...DEVELOPMENT COULD BE STRONG AND RAPID.
ULLOM
Special weather statement, Sep 7, 3:10 PM EDT, 1 hour 20 minutes before
INZ15-KYZ04-071900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
315 PM EDT FRI SEP 7 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 PM EDT...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHERN INDIANA AND
NORTHERN KENTUCKY UNTIL 6 PM EDT.  AT 3 PM...THE STORMS WERE BETWEEN
BLOOMINGTON AND INDIANAPOLIS INDIANA.  THESE  STORMS WERE MOVING
SOUTHEAST AROUND 20 MPH AND WILL NOT MOVE INTO KENTUCKY UNTIL AROUND
5 PM.

HAZY SUNSHINE COVERED KENTUCKY WITH TEMPERATURES IN THE MID AND
UPPER 90.  HEAT INDICES RANGED FROM 100 TO 105 DEGREES.

AMMERMAN
Special weather statement, Sep 7, 3:32 PM EDT, 58 minutes before
INZ15-KYZ04-072030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
330 PM EDT FRI SEP 7 1990

...STIFFLING HEAT SEERS KENTUCKY AGAIN...

SHORTLY AFTER 3PM EDT THE THERMOMETER AT STANDIFORD FIELD REGISTERED
99 DEGREES.  THIS TIES THE 99 DEGREES RECORDED ON JULY THE 9 AND 10
FOR THE HOTTEST TEMPERATURE THIS SUMMER. THE RECORD HIGH TEMPERATURE
FOR THIS DATE IS 101 DEGREES SET IN 1899.

AS THE TEMPERATURE HIT THE 99 DEGREE MARK THE+ RELATIVE HUMIDITY
REGISTERED 37 PERCENT.  THIS COMBINATION PRODUCED A HEAT INDEX
OF 107 DEGREES.

KLEIN
Special weather statement, Sep 7, 4:14 PM EDT, 16 minutes before
KYZ007-072115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LEXINGTON KY
410 PM EDT FRI SEP 7 1990

...SEVERE THUNDERSTORM WATCH UNTIL 1100 PM EDT...

AT 405 PM EDT...THUNDERSTORMS WERE DEVELOPING ACROSS CENTRAL GARRARD
COUNTY OF EAST CENTRAL KENTUCKY. THE STRONGEST STORMS WERE LOCATED 5
MILES NORTH OF LANCASTER OR 24 MILES SOUTH OF LEXINGTON.

THESE THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MPH AND WILL MOVE INTO
SOUTHERN MADISON COUNTY BUY 430 PM EDT.

HEAVY RAIN...STRONG WINDS...HAIL AND DEADLY LIGHTNING STRIKES ARE
POSSIBLE ACROSS MOST OF EAST CENTRAL KENTUCKY THROUGH 11 PM EDT.

GO TO SAFE INDOOR SHELTER WHEN THUNDERSTORMS APPROACH.
WHITE
Special weather statement, Sep 7, 4:22 PM EDT, 8 minutes before
KYZ004-009-INZ013-015-072115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
420 PM EDT FRIDAY SEP 7 1990

...STRONG STORMS DEVELOPING RAPIDLY IN KENTUCKY AND SOUTHERN INDIANA...

AT 400 PM EDT...RADAR INDICATED STRONG THUNDERSTORMS DEVELOPING IN
SOUTH INDIANA AND CENTRAL KENTUCKY.  THE STRONGEST STORMS WERE IN A
LINE FROM BOWLING GREEN NORTHEAST TO 20 MILES SOUTH OF LEXINGTON.  OTHER
STRONG STORMS WERE 25 MILES NORTHWEST OF BOWLING GREEN AND 25 MILES
NORTHWEST OF LOUISVILLE NEAR SALEM INDIANA.

ALL THE STORMS WERE MOVING EAST AROUND 30 MILES AN HOUR AND ARE LIKELY
PRODUCING SMALL HAIL AND VERY HEAVY RAIN.  BASED ON THERE EXPLOSIVE
DEVELOPMENT...THEY ALSO MAY PRODUCE DAMAGING WINDS AND HAIL.

IF A STORM APPROACHES YOUR AREA SEEK IMMEDIATE SHELTER IN A NEARBY
REINFORCED BUILDING.
<
A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT FOR MUCH OF KENTUCKY
AND SOUTHERN INDIANA UNTIL 11 PM EDT.

IF YOU RECEIVE ANY SEVERE _WEATHER...REPORT IT TO YOUR NEAREST LAW
ENFORCEMENT AGENCY.  STAY TUNED TO NOAA WEATHER RADIO FOR THE
LATEST INFORMATION AND POSSIBLE WARNINGS.

TUCEK

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 5:20 PM EDTTornado WarningLMKOldham40 min
Sep 7, 5:55 PM EDTSevere Thunderstorm WarningLMKAnderson, Woodford65 min
Sep 7, 5:55 PM EDTSevere Thunderstorm WarningLMKCasey, Taylor50 min
Sep 7, 6:02 PM EDTSevere Thunderstorm WarningLMKShelby43 min
Sep 7, 6:32 PM EDTSevere Thunderstorm WarningLMKFayette, Jessamine28 min
Sep 7, 7:19 PM EDTSevere Thunderstorm WarningLMKBreckinridge41 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.