Alert archive / Kentucky / Flash Flood Warnings in 1990

Flash Flood Warning 57, NWS Indianapolis, IN

December 18, 19906 counties in Kentucky

NWS Indianapolis, IN issued this flash flood warning at Dec 18, 1990, 1:33 PM CST for 6 counties in Kentucky. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 18, 1990, 1:33 PM CST (19:33 UTC)
Expired
Dec 18, 1990, 5:30 PM CST
In force
4 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Barren County, KY, Butler County, KY, Edmonson County, KY, Logan County, KY, Simpson County, KY, Warren County, KY

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.6 hours before the alert went out and 97 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 1990-12-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 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 1990-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 311 square meters per square second.1939587897117Sfc1 km3 km6 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
626 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
311 m²/s²
0-3 km storm-relative helicity
568 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 181934 RRA
FFWEVV
KYC009-031-061-141-213-219-227-182330-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
133 PM CST TUE DEC 18 1990
 
THE NATIONAL WEATHER SERVICE IN EVANSV

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 18, 1:33 PM CSTFlash Flood WarningINDTodd4 hr
Dec 18, 2:26 PM CSTFlash Flood WarningINDChristian, Muhlenberg3 hr

Nearby

Flash Flood Warnings in Kentucky, 1990Every flash flood warning in 1990

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.