Alert archive / Kentucky / Flash Flood Warnings in 1991

Flash Flood Warning 21, NWS Louisville, KY

December 2, 1991Scott County, Kentucky

NWS Louisville, KY issued this flash flood warning at Dec 2, 1991, 8:40 PM EST for Scott County, Kentucky. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 2, 1991, 8:40 PM EST (01:40 UTC)
Expired
Dec 3, 1991, 12:45 AM EST
In force
4 hr
Issued by
NWS Louisville, KY
Area
Whole counties

County Scott County, KY

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 1.7 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, Dayton/James M C, OH at 00:00Z on 1991-12-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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, Dayton/James M C, OH at 00:00Z on 1991-12-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 430 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
531 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
430 m²/s²
0-3 km storm-relative helicity
612 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 KLEX 030141
FFWLEX
KYC005-073-167-209-239-030545-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE LEXINGTON KY
840 PM EST MON DEC 2 1991
 
THE NATIONAL WEATHER SERVICE IN LEXINGTON HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL 1245 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL KENTUCKY
 
   ...ANDERSON COUNTY...FRANKLIN COUNTY...MERCER COUNTY
   ...SCOTT COUNTY...WOODFORD COUNTY
 
AT 840PM EST MODERATE RAIN WAS CAUSING FLOODING OF LOWER LYING AREAS OF
ANDERSON...FRANKLIN...MERCER...SCOTT AND WOODFORD COUNTIES OF CENTRAL
KENTUCKY. SEVERAL BRIDGES HAVE BEEN DAMAGED IN ANDERSON COUNTY. NUMEROUS
ROADS ARE FLOODING IN THESE COUNTIES WITH THE ADDITIONAL HEAVY RAINFALL
THIS EVENING. BASEMENTS ARE FLOODING IN MANY AREAS OF THESE COUNTIES.
 
RAINFALL OF NEAR 3 INCHES TODAY ACROSS PARTS OF CENTRAL KENTUCKY HAS
CAUSED FLOODING IN MANY AREAS. ADDITIONAL HEAVY RAINFALL LATER THIS EVEN
GWILL LIKELY CAUSE MORE PROBLEMS WITH RISING WATER.
 
 
 
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE :?A+SDFSAOLEXDhTTAA00 KLEX 030143
LEX SP 0143 M3 BKN 40 OVC 21/2R-F 1807/960

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 2, 7:44 PM ESTFlash Flood WarningLMKAdair, Casey, Cumberland3 hr
Dec 2, 8:19 PM ESTFlash Flood WarningLMKClinton, Russell3 hr
Dec 2, 8:39 PM ESTFlash Flood WarningLMKHardin, Larue, Nelson3 hr
Dec 2, 8:40 PM ESTFlash Flood WarningLMKAnderson, Franklin, Mercer, Woodford4 hr
Dec 2, 9:10 PM ESTFlash Flood WarningLMKLincoln3 hr
Dec 2, 9:31 PM ESTFlash Flood WarningLMKPulaski, Rockcastle, Wayne3 hr
Dec 2, 9:42 PM ESTFlash Flood WarningLMKSpencer3 hr
Dec 2, 9:58 PM ESTFlash Flood WarningLMKMarion, Washington2 hr
Dec 2, 10:06 PM ESTFlash Flood WarningLMKLaurel, McCreary, Whitley3 hr
Dec 2, 10:28 PM ESTFlash Flood WarningLMKMenifee4 hr
Dec 2, 11:17 PM ESTFlash Flood WarningLMKClinton, Russell73 min
Dec 2, 11:17 PM ESTFlash Flood WarningLMKCasey73 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.