Alert archive / Kentucky / Flash Flood Warnings in 1990

Flash Flood Warning 41, NWS Louisville, KY

December 22, 1990Clinton County, Pulaski County, Wayne County, Kentucky

NWS Louisville, KY issued this flash flood warning at Dec 22, 1990, 9:50 PM CST for Clinton County, Pulaski County, Wayne County, Kentucky. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 22, 1990, 9:50 PM CST (03:50 UTC)
Expired
Dec 23, 1990, 1:45 AM CST
In force
4 hr
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Clinton County, KY, Pulaski County, KY, Wayne 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 00:00Z, 3.8 hours before the alert went out and 177 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 1990-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1990-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 325 square meters per square second.1939587897117Sfc1 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
464 m above ground
0-6 km bulk shear
94 kt
0-1 km storm-relative helicity
325 m²/s²
0-3 km storm-relative helicity
347 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 KSDF 230353
FFWSDF
KYC053-199-231-230745-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1050 PM EST SAT DEC 22 1990
 
THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  245 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL KENTUCKY
 
   ...CLINTON COUNTY...PULASKI COUNTY...WAYNE COUNTY
 
WEATHER SERVICE RADAR INDICATED MODERATE RAIN FALLING FROM THE
TENNESSEE BORDER NORTH THROUGH CLINTON...WAYNE AND PULASKI COUNTIES
THIS EVENING. IN CLINTON COUNTY SEVERAL COUNTY ROADS WERE COVERED WITH
WATER AND ABOUT TO BE CLOSED. WAYNE COUNTY REPORTED WATER RISING OVER
SEVERAL ROADS. PULASKI COUNTY REPORTED WATER STARTING TO OVERFLOW THE
BANKS ON SEVERAL CREEKS. MODERATE RAIN WAS FALLING AT 10 PM IN
CROSSVILLE TENNESSEE AND IS EXPECTED TO MOVE THROUGH CLINTON...WAYNE
AND PULASKI COUNTIES BY 2AM EST.
 
 
 
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.
KLEIN

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Dec 22, 5:14 PM CST, 4 hours 36 minutes before
KYZ001-230115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
600 PM EST SAT DEC 22 1990

...WEATHER ADVISORIES FOR PARTS OF NORTH AND WEST KENTUCKY TONIGHT AND
   PART OF SUNDAY.

A WEATHER ADVISORY REMAINS IN EFFECT FOR NORTHCENTRAL KENTUCKY...
INCLUDING THE LOUISVILLE METROPOLITAN AREA...FOR LATE TONIGHT AND
SUNDAY MORNING.  THE ADVISORY IS ALSO IN EFFECT FOR OTHER AREAS OF
WEST AND NORTH KENTUCKY TONIGHT AND SUNDAY.

FREEZING RAIN WAS FALLING OVER WEST KENTUCKY AND IS EXPECTED TO MOVE
INTO THE CENTRAL SECTIONS OF THE STATE AROUND MIDNIGHT.  AS COLDER AIR
WORKS ITS WAY INTO THE STATE THAT FREEZING RAIN WILL CHANGE OVER TO
SNOW.  ACCUMULATIONS OF AROUND 1 INCH ARE POSSIBLE IN NORTHCENTRAL
KENTUCKY ON SUNDAY.

DRIVING WILL BECOME HAZARDOUS AFTER MIDNIGHT AS THE TEMPERATURE DROPS
BELOW THE FREEZING MARK.

IF YOU ARE TRAVELLING LATE TONIGHT OR SUNDAY...ALLOW EXTRA TIME AND
CHECK ON THE LATEST WEATHER FORECASTS.

IN THE MEANTIME...LIGHT RAIN AND DRIZZLE WILL CONTINUE OVER NORTHCENTRAL
KENTUCKY AND SOUTHCENTRAL INDIANA AS THE TEMPERATURE FALLS SLOWLY
TOWARD THE FREEZING MARK.

KLEIN
Special weather statement, Dec 22, 5:49 PM CST, 4 hours 1 minute before
KYZ007-230100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LEXINGTON KY
640 PM EST SAT DEC 22 1990

...PATCHY AREAS OF DENSE FOG DEVELOPING...

AT 630 PM EST THE VISIBILITY AT THE NATIONAL WEATHER SERVICE OFFICE IN
LEXINGTON KENTUCKY WAS 1/4 OF A MILE. COMBINED WITH THE WET ROADWAYS IT
HAS CREATED VERY POOR DRIVING CONDITIONS THIS EVENING AND WILL CONTINUE FOR
THE REMAINDER OF TONIGHT.

IF YOU MUST TRAVEL TONIGHT PLEASE ALLOW PLENTY OF EXTRA TIME AND KEEP YOUR
SPEEDS LOW. ALSO USE ONLY YOUR LOW BEAM HEADLIGHTS AND LEAVE PLENTY OF
DISTANCE BETWEEN YOU AND THE OTHER DRIVER.

SZAPPANOS
Special weather statement, Dec 22, 7:52 PM CST, 1 hour 58 minutes before
KYZ007-230400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LEXINGTON KY
855 PM EST SAT DEC 22 1990

...PATCHY AREAS OF DENSE FOG CONTINUE ACROSS EAST CENTRAL KENTUCKY...

AT 850 PM EST THE VISIBILITY AT THE NATIONAL WEATHER SERVICE OFFICE IN
LEXINGTON KENTUCKY WAS 3/8THS OF A MILE. COMBINED WITH THE WET ROADWAYS IT
HAS CREATED VERY POOR DRIVING CONDITIONS THIS EVENING AND WILL CONTINUE FOR
THE REMAINDER OF TONIGHT.

IF YOU MUST TRAVEL TON;IGHT PLEASE ALLOW PLENTY OF EXTRA TIME AND KEEP YOUR
SPEEDS LOW. ALSO USE ONLY YOUR LOW BEAM HEADLIGHTS AND LEAVE PLENTY OF
DISTANCE BETWEEN YOU AND THE OTHER DRIVER.

SZAPPANOS
Special weather statement, Dec 22, 8:13 PM CST, 1 hour 37 minutes before
KYZ004-230415-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
900 PM EST SAT DEC 22 1990

...WEATHER ADVISORIES FOR PARTS OF NORTH AND WEST KENTUCKY TONIGHT AND
   PART OF SUNDAY.

A WEATHER ADVISORY REMAINS IN EFFECT FOR NORTHCENTRAL KENTUCKY...
INCLUDING THE LOUISVILLE METROPOLITAN AREA...FOR LATE TONIGHT AND
SUNDAY MORNING.  THE ADVISORY IS ALSO IN EFFECT FOR OTHER AREAS OF
WEST AND NORTH KENTUCKY TONIGHT AND SUNDAY.

FREEZING RAIN AND SNOW WAS FALLING OVER WEST KENTUCKY THIS EVENING.
THE FREEZING RAIN WILL MOVE SLOWLY EAST AND SHOULD REACH CENTRAL
KENTUCKY AROUND MIDNIGHT.  OVERNIGHT THE FREEZING RAIN WILL AGAIN
CHANGE TO SNOW WITH ACCUMULATIONS OF AROUND 1 INCH POSSIBLE OVER
NORTHCENTRAL KENTUCKY ON SUNDAY.

DRIVING WILL BECOME HAZARDOUS AFTER MIDNIGHT AS THE TEMPERATURE DROPS
BELOW THE FREEZING MARK.

IF YOU ARE TRAVELING LATE TONIGHT OR SUNDAY...ALLOW EXTRA TIME AND
CHECK ON THE LATEST WEATHER FORECASTS.V

IN THE MEANTIME...LIGHT RAIN AND DRIZZLE WILL CONTINUE OVER NORTHCENTRAL
KENTUCKY AND SOUTHCENTRAL INDIANA AS THE TEMPERATURE FALLS SLOWLY
TOWARD THE FREEZING MARK.

KLEIN

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 23, 3:05 AM CSTFlash Flood WarningLMKBath, Menifee, Montgomery, Powell4 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.