Alert archive / Kentucky / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 45, NWS Louisville, KY

September 7, 1990Fayette County, Jessamine County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Sep 7, 1990, 6:32 PM EDT for Fayette County, Jessamine County, Kentucky. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Sep 7, 1990, 6:32 PM EDT (22:32 UTC)
Expired
Sep 7, 1990, 7:00 PM EDT
In force
28 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Fayette County, KY, Jessamine 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

Huntington/Tri S, WV (KHTS), launched 12:00Z, 10.5 hours before the alert went out and 182 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 1990-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 709 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, Huntington/Tri S, WV at 12:00Z on 1990-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 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
709 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
1506 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLEX 072232
SVRLEX
KYC067-113-072300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE LEXINGTON KY
632 PM EDT FRI SEP 7 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 700 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE EAST CENTRAL PART OF KENTUCKY
      SOUTHERN FAYETTE...NORTHERN JESSAMINE

RADAR INDICATES A SEVERE THUNDERSTORM ALONG THE FAYETTE JESSAMINE
COUNTY LINE MOVING EAST SOUTHEAST AT 25 MPH. THIS STORM HAS A
HISTORY OF LARGE HAIL AND DAMAGING WINDS.

IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHT+NING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

 WHITE

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, 3:10 PM EDT, 3 hours 22 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, 3 hours 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, 2 hours 18 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, 2 hours 10 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
Special weather statement, Sep 7, 4:54 PM EDT, 1 hour 38 minutes before
KYZ007-072130-

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

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

AT 450 PM EDT...THUNDERSTORMS WERE DEVELOPING ACROSS BOYLE...GARRARD
AND MADISON COUNTIES OF EAST CENTRAL KENTUCKY. THE STRONGEST STORMS WERE
LOCATED 5 MILES EAST OF DANVILLE OR 25 MILES SOUTH OF LEXINGTON ALONG THE
BOYLE AND GARRARD COUNTY LINE. AT 430 PM EDT MARBLE SIZE HAIL WAS REPORTED
NEAR DANVILLE IN BOYLE COUNTY AND PEA SIZE HAIL FELL NEAR LANCASTER IN
GARRARD COUNTY.

ALL THUNDERSTORMS WERE MOVING EAST AT 20 MPH AND MAY CONTAIN HEAVY RAIN
...DAMAGING WINDS...HAIL AND DEADLY LIGHTNING STRIKES.

A SEVERE THUNDERSTORMS WATCH REMAIN IN EFFECT UNTIL 1100 PM EDT FOR MOST
OF EAST CENTRAL KENTUCKY. SEEK SAFE INDOOR SHELTER IMMEDIATELY WHEN
STORMS APPROACH. STAY AWAY FROM WINDOWS AND CONTINUE TO MONITOR NOAA
WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
WHITE
Special weather statement, Sep 7, 5:33 PM EDT, 59 minutes before
KYZ007-072215-

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

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

AT 530 PM EDT...THUNDERSTORMS CONTINUED ACROSS BOYLE...GARRARD AND
MADISON COUNTIES OF EAST CENTRAL KENTUCKY. THE STRONGEST STORMS WERE
LOCATED 5 MILES SOUTH OF LANCASTER IN GARRARD COUNTY OR 30 MILES SOUTH
OF LEXINGTON. ANOTHER AREA OF THUNDERSTORMS WERE FORMING JUST WEST OF
FRANKLIN AND ANDERSON COUNTY LINES. ALSO THUNDERSTORMS WERE DEVELOPING
OVER CENTRAL ROWAN COUNTY NEAR MOREHEAD.

ALL THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MPH AND WILL LIKELY CONTAIN
HEAVY RAIN...STRONG WINDS...HAIL AND DEADLY LIGHTNING STRIKES.

A SEVERE THUNDERSTORMS WATCH REMAIN IN EFFECT UNTIL 1100 PM EDT FOR MOST
OF EAST CENTRAL KENTUCKY. SEEK SAFE INDOOR SHELTER IMMEDIATELY WHEN
STORMS APPROACH. STAY AWAY FROM WINDOWS AND CONTINUE TO MONITOR NOAA
WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
WHITE

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 4:30 PM EDTSevere Thunderstorm WarningLMKCasey, Marion, Taylor45 min
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, 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; the sounding from the Mesonet's radiosonde archive.