Alert archive / Kentucky / Flash Flood Warnings in 1991

Flash Flood Warning 8, NWS Indianapolis, IN

May 27, 1991Logan County, Kentucky

NWS Indianapolis, IN issued this flash flood warning at May 27, 1991, 1:45 AM CDT for Logan County, Kentucky. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 27, 1991, 1:45 AM CDT (06:45 UTC)
Expired
May 27, 1991, 5:45 AM CDT
In force
4 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Logan County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 6.8 hours before the alert went out and 85 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 00:00Z on 1991-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 45 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 00:00Z on 1991-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
45 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
1195 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KEVV 270646
FFWEVV
KYC141-271045-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
145 AM CDT MON MAY 27 1991
 
THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  545 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL KENTUCKY
 
   ...SOUTHERN LOGAN COUNTY
 
AT 140 AM CDT...FLOODING WAS OCCURRING ON HIGHWAY 431 BETWEEN
RUSSELVILLE AND ADAIRVILLE. CENTRAL DISPATCH IN RUSSELVILLE REPORTED 8
INCHES OF WATER OVER THE ROAD AROUND BLACKJACK FLATS.
 
RADAR INDICATED MORE RAIN AND THUNDERSTORMS MOVING NORTHEAST OUT OF
TENNESSEE THAT WILL MOVE ACROSS THIS AREA. DO NOT DRIVE THROUGH FLOOD
WATERS AND MOVE TO HIGHER GROUND IF THE WATER THREATENS YOU.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
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
CROSQS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
SUMMY

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.