Alert archive / Kentucky / Flash Flood Warnings in 1992

Flash Flood Warning 7, NWS Indianapolis, IN

May 21, 1992Union County, Kentucky

NWS Indianapolis, IN issued this flash flood warning at May 21, 1992, 2:39 PM CDT for Union County, Kentucky. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
May 21, 1992, 2:39 PM CDT (19:39 UTC)
Expired
May 21, 1992, 4:45 PM CDT
In force
2 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Union County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.7 hours before the alert went out and 208 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 1992-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 441 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 1992-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
441 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
845 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
38 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 KEVV 211939
FFWEVV
KYC225-212145-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
239 PM CDT THU MAY 21 1992
 
THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  445 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST KENTUCKY
 
   ...UNION COUNTY
 
AT 236 PM CDT...THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE ABOUT 40
MILES SOUTHWEST OF EVANSVILLE NEAR STURGIS KENTUCKY. THESE THUNDERSTORMS
WERE MOVING VERY SLOWLY AND WILL PRODUCE FLOODING IN THIS AREA.
 
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 TO HIGHER GROUND.
TT

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 21, 2:32 PM CDTFlash Flood WarningINDHart94 min

Nearby

Flash Flood Warnings in Kentucky, 1992Every flash flood warning in 1992

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.