Alert archive / Kentucky / Flash Flood Warnings in 1991

Flash Flood Warning 4, NWS Louisville, KY

April 9, 1991Clark County, Fayette County, Jessamine County, Kentucky

NWS Louisville, KY issued this flash flood warning at Apr 9, 1991, 3:57 PM EDT for Clark County, Fayette County, Jessamine County, Kentucky. It was in force for 63 min.

The area

The counties it named.

The facts

Issued
Apr 9, 1991, 3:57 PM EDT (19:57 UTC)
Expired
Apr 9, 1991, 5:00 PM EDT
In force
63 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Clark County, KY, Fayette County, KY, Jessamine County, KY

The nearest sounding before it

Huntington/Tri S, WV (KHTS), launched 12:00Z, 8.0 hours before the alert went out and 172 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 1991-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 211 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 1991-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 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
211 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
764 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this flash flood 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, Apr 9, 11:38 AM EDT, 4 hours 19 minutes before
KYZALL-INZ015-092000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1140 AM EDT TUE APR 9 1991

THE NATIONAL SEVERE STORMS FORECAST CENTER HAS INDICATED THE
POSSIBILITY OF SEVERE THUNDERSTORMS OVER ALL OF KENTUCKY THIS AFTERNOON.

A STRONG COLD FRONT WILL MOVE ACROSS KENTUCKY THIS AFTERNOON. THE
FRONT WILL MOVE INTO A VERY MOIST AND UNSTABLE AIR MASS. THIS WILL
RESULT IN THE DEVELOPMENT OF THUNDERSTORMS OVER KENTUCKY THIS AFTERNOON.
SINCE THE AIR MASS IS SO UNSTABLE...SOME OF THESE STORMS COULD BECOME
SEVERE WITH STRONG WINDS AND HAIL.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR ADDITIONAL
STATEMENTS.

FUNK
Special weather statement, Apr 9, 1:22 PM EDT, 2 hours 35 minutes before
KYZALL-INZ013-015-091900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
115 PM EDT TUE APR 9 1991

...STRONG THUNDERSTORMS HAD DEVELOPED JUST TO THE WEST AND NORTH
OF LOUISVILLE....

AT 1 PM EDT STRONG THUNDERSTORMS WERE LOCATED JUST TO THE WEST AND
NORTH OF LOUISVILLE FROM NEAR SCOTTSBURG INDIANA...ABOUT 35 MILES NORTH
OF LOUISVILLE...TO NEAR CORYDON INDIANA...25 MILES WEST OF LOUISVILLE
...SOUTH INTO MEADE COUNTY. THE STRONGEST STORMS WERE NORTH OF THE
OHIO RIVER OVER HARRISON...FLOYD...WASHINGTON AND CLARK COUNTIES IN
INDIANA.

THESE STORMS WERE MOVING RAPIDLY TO THE EAST AROUND 45 MPH AND WILL
MOVE ACROSS FLOYD AND CLARK COUNTIES IN INDIANA AND INTO JEFFERSON AND
OLDHAM COUNTIES IN KENTUCKY BY 2 PM EDT.

IF YOU ARE IN THE PATH OF THESE STORMS...SEEK A PLACE OF SAFETY INDOORS.
STRONG WINDS...SMALL HAIL AND VERY HEAVY RAIN ARE LIKELY WITH THESE
STORMS.

SCHOLZ
Special weather statement, Apr 9, 1:25 PM EDT, 2 hours 32 minutes before
KYZALL-INZ013-015-091900-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE LOUISVILLE KY
115 PM EDT TUE APR 9 1991

...STRONG THUNDERSTORMS HAD DEVELOPED JUST TO THE WEST AND NORTH
OF LOUISVILLE....

AT 1 PM EDT STRONG THUNDERSTORMS WERE LOCATED JUST TO THE WEST AND
NORTH OF LOUISVILLE FROM NEAR SCOTTSBURG INDIANA...ABOUT 35 MILES NORTH
OF LOUISVILLE...TO NEAR CORYDON INDIANA...25 MILES WEST OF LOUISVILLE
...SOUTH INTO MEADE COUNTY. THE STRONGEST STORMS WERE NORTH OF THE
OHIO RIVER OVER HARRISON...FLOYD...WASHINGTON AND CLARK COUNTIES IN
INDIANA. SMALL HAIL WAS REPORTED NORTH OF CORYDON IN HARRISON COUNTY.

THESE STORMS WERE MOVING RAPIDLY TO THE EAST AROUND 45 MPH AND WILL
MOVE ACROSS FLOYD AND CLARK COUNTIES IN INDIANA AND INTO JEFFERSON AND
OLDHAM COUNTIES IN KENTUCKY BY 2 PM EDT.

IF YOU ARE IN THE PATH OF THESE STORMS...SEEK A PLACE OF SAFETY INDOORS.
STRONG WINDS...SMALL HAIL AND VERY HEAVY RAIN ARE LIKELY WITH THESE
STORMS.

NO THUNDERSTORMS WERE OCCURRING OVER SOUTH CENTRAL KENTUCKY.

A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF SOUTH CENTRAL INDIANA
AND CENTRAL KENTUCKY UNTIL 7 PM EASTERN TIME.

SCHOLZ
Special weather statement, Apr 9, 1:40 PM EDT, 2 hours 17 minutes before
KYZALL-INZ013-015-091900-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE LOUISVILLE KY
140 PM EDT TUE APR 9 1991

...STRONG THUNDERSTORMS WAS MOVING ACROSS TRIMBLE COUNTY.

AT 130 PM EDT A STRONG THUNDERSTORM WAS LOCATED OVER TRIMBLE COUNTY...
AROUND 30 MILES NORTHEAST OF LOUISVILLE. MARBLE SIZED HAIL WAS REPORTED
WITH THIS STORM BETWEEN BEDFORD AND MILTON. THIS STORM WAS MOVING EAST
AROUND 40 MPH AND WILL BE OUT OF THE TRIMBLE COUNTY AREA BEFORE 2 PM.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK A PLACE OF SAFETY INDOORS.
STRONG WINDS...SMALL HAIL AND VERY HEAVY RAIN ARE LIKELY WITH THESE
STORMS.

A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF SOUTH CENTRAL INDIANA
AND& CENTRAL KENTUCKY UNTIL 7 PM EASTERN TIME.

SCHOLZ
Special weather statement, Apr 9, 2:08 PM EDT, 1 hour 49 minutes before
KYZALL-INZ013-015-092000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
210 PM EDT TUE APR 9 1991

...STRONG THUNDERSTORMS CONTINUED WEST AND NORTH OF LOUISVILLE...

AT 2 PM EDT STRONG THUNDERSTORMS CONTINUED TO THE NORTH AND WEST OF
LOUISVILLE FROM NEAR MEADE COUNTY TO NORTH OF LOUISVILLE ACROSS
WASHINGTON...HARRISON..FLOYD...CLARK AND SCOTT COUNTIES. MARBLE SIZED
HAIL HAS BEEN REPORTED WITH SOME OF THESE STORMS. STRONG WINDS HAVE
ALSO BEEN REPORTED.

THESE STORMS WERE MOVING RAPIDLY TO THE EAST.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK A PLACE OF SAFETY INDOORS.
STRONG WINDS...SMALL HAIL AND VERY HEAVY RAIN ARE LIKELY WITH THESE
STORMS.

A TORNADO WATCH REMAINSQ IN EFFECT FOR ALL OF SOUTH CENTRAL INDIANA
AND CENTRAL KENTUCKY.

SCHOLZ
Special weather statement, Apr 9, 3:50 PM EDT, 7 minutes before
KYZALL-INZ013-015-092200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
350 PM EDT TUE APR 9 1991

...HEAVY RAIN WAS OCCURRING OVER CENTRAL KENTUCKY AND SOUTH CENTRAL
INDIANA...

AT 350 PM EDT VERY HEAVY RAINS HAVE BEEN OCCURRING IN THE THUNDERSTORMS
THIS AFTERNOON. RAINFALL OF AROUND 1 INCH HAS BEEN REPORTED FOR THE
PAST TWO TO THREE HOURS IN MANY AREAS. WATER WAS REPORTED OVER A ROAD
IN JEFFERSON COUNTY INDIANA...ABOUT 35 MILES NORTHEAST OF LOUISVILLE.

RAIN WILL CONTINUE AND MANY OF THE THUNDERSTORS...ESPECIALLY THOSE EAST
OF INTERSTATE 65 COULD PRODUCE VERY HEAVY RAINS. PONDING OF WATER IS
LIKELY IN LOW AREAS.

DO NOT DRIVE INTO AREAS COVERED BY WATER. IF WATER BEGINS TO RISE MOVE
TO HIGHER GROUND.
SCHOLZ

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 7:46 AM EDTSevere Thunderstorm WarningLMKCrittenden44 min
Apr 9, 2:38 PM EDTSevere Thunderstorm WarningLMKMeade37 min
Apr 9, 2:46 PM EDTSevere Thunderstorm WarningLMKJefferson, Oldham29 min
Apr 9, 3:09 PM EDTSevere Thunderstorm WarningLMKAdair, Clinton, Russell36 min
Apr 9, 3:11 PM EDTSevere Thunderstorm WarningLMKShelby49 min
Apr 9, 3:27 PM EDTSevere Thunderstorm WarningLMKCasey, Marion, Taylor48 min
Apr 9, 3:31 PM EDTSevere Thunderstorm WarningLMKGarrard, Madison104 min
Apr 9, 3:43 PM EDTSevere Thunderstorm WarningLMKMadison32 min
Apr 9, 3:57 PM EDTFlash Flood WarningLMKGarrard63 min
Apr 9, 4:14 PM EDTSevere Thunderstorm WarningLMKEstill, Madison61 min
Apr 9, 4:32 PM EDTSevere Thunderstorm WarningLMKBath, Montgomery, Powell28 min
Apr 9, 1:32 PM EDTSevere Thunderstorm WarningLMKFloyd, Harrison28 min
Apr 9, 2:28 PM EDTTornado WarningLMKFloyd32 min
Apr 9, 3:02 PM EDTSevere Thunderstorm WarningLMKScott, Washington28 min

Nearby

Flash Flood Warnings in Kentucky, 1991Every flash flood warning in 1991

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.