Alert archive / Kentucky / Flash Flood Warnings in 1998

Flash Flood Warning 4, NWS Louisville, KY

January 7, 1998Bourbon County, Nicholas County, Kentucky

NWS Louisville, KY issued this flash flood warning at Jan 7, 1998, 5:31 PM EST for Bourbon County, Nicholas County, Kentucky. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 7, 1998, 5:31 PM EST (22:31 UTC)
Expired
Jan 7, 1998, 8:30 PM EST
In force
3 hr
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Bourbon County, KY, Nicholas County, KY

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.5 hours before the alert went out and 132 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, Cncnati-Daytn, OH at 12:00Z on 1998-01-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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, Cncnati-Daytn, OH at 12:00Z on 1998-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
15 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
517 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
49 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 072235
FFWSDF
KYC017-181-080130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
531 PM EST WED JAN 7 1998

* FLASH FLOOD WARNING FOR
  BOURBON COUNTY - EAST CENTRAL KENTUCKY
  NICHOLAS COUNTY - EAST CENTRAL KENTUCKY

* UNTIL 830 PM EST
 
* SOME LOCATIONS AFFECTED
  ALL AREAS IN BOURBON AND NICHOLAS COUNTIES

* AT 530 PM...LAW ENFORCEMENT IN BOURBON COUNTY REPORTED SOME ROADS
  CLOSED ACROSS THE COUNTY.  MEANWHILE...UP IN NICHOLAS COUNTY ONLY
  MINOR FLOODING HAS BEEN REPORTED...SO FAR.

* FORECAST CONDITIONS
  MODERATE TO HEAVY RAIN WILL CONTINUE TO MOVE ACROSS BOURBON AND
  NICHOLAS COUNTIES THE NEXT SEVERAL HOURS...WHICH WILL ENHANCE THE
  FLOODING POTENTIAL OVER THE REGION. NEW RAINFALL THROUGH 830 PM
  COULD EXCEED AN INCH.

IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE TO HIGHER GROUND
TO ESCAPE THE RISING WATERS.

STUREY/KIRKPATRICK
 

&

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 7, 4:21 PM ESTFlash Flood WarningLMKClinton3 hr
Jan 7, 4:33 PM ESTFlash Flood WarningLMKMadison3 hr
Jan 7, 5:08 PM ESTFlash Flood WarningLMKClark2 hr

Nearby

Flash Flood Warnings in Kentucky, 1998Every flash flood warning in 1998

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.