Alert archive / Kentucky / Flash Flood Warnings in 1992

Flash Flood Warning 21, NWS Louisville, KY

August 10, 1992Estill County, Powell County, Kentucky

NWS Louisville, KY issued this flash flood warning at Aug 10, 1992, 8:29 AM EDT for Estill County, Powell County, Kentucky. It was in force for 91 min.

The area

The counties it named.

The facts

Issued
Aug 10, 1992, 8:29 AM EDT (12:29 UTC)
Expired
Aug 10, 1992, 10:00 AM EDT
In force
91 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Estill County, KY, Powell County, KY

The nearest sounding before it

Huntington/Tri S, WV (KHTS), launched 12:00Z, 0.5 hours before the alert went out and 140 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 1992-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1191 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 1992-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
1191 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
805 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
107 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 101238
FFWLEX
KYC065-181-197-201-101430-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LEXINGTON KY
829 AM EDT MON AUG 10 1992
 
THE NATIONAL WEATHER SERVICE IN LEXINGTON HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL 1030 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL KENTUCKY
 
   ...ESTILL COUNTY...NICHOLAS COUNTY...POWELL COUNTY
   ...ROBERTSON COUNTY
 
840AM RADAR SHOWED VERY STRONG THUNDERSTORMS WITH HEAVY RAIN MOVING
SOUTH TOWARD ROBERTSON AND NICHOLAS COUNTIES 30 TO 40 MILES NORTHEAST OF
LEXINGTON. OTHER VERY STRONG THUNDERSTORMS WILL MOVE INTO POWELL AND
ESTILL COUNTIES 30 TO 50 MILES SOUTHEAST OF LEXINGTON BY 9AM EDT.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 8:28 AM EDTFlash Flood WarningLMKFayette, Jessamine, Madison62 min
Aug 10, 8:28 AM EDTFlash Flood WarningLMKBourbon, Clark62 min
Aug 10, 8:28 AM EDTFlash Flood WarningLMKHarrison62 min
Aug 10, 8:28 AM EDTSevere Thunderstorm WarningLMKFayette, Jessamine, Madison92 min
Aug 10, 8:28 AM EDTSevere Thunderstorm WarningLMKBourbon, Clark92 min
Aug 10, 8:28 AM EDTSevere Thunderstorm WarningLMKHarrison92 min
Aug 10, 8:29 AM EDTFlash Flood WarningLMKNicholas, Robertson91 min
Aug 10, 8:29 AM EDTSevere Thunderstorm WarningLMKNicholas, Robertson91 min
Aug 10, 8:29 AM EDTSevere Thunderstorm WarningLMKEstill, Powell91 min
Aug 10, 5:50 PM EDTFlash Flood WarningLMKWoodford55 min
Aug 10, 5:50 PM EDTSevere Thunderstorm WarningLMKJessamine55 min
Aug 10, 6:19 PM EDTFlash Flood WarningLMKFayette, Scott56 min
Aug 10, 6:19 PM EDTSevere Thunderstorm WarningLMKFayette, Scott56 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.