Alert archive / Kentucky / Flash Flood Warnings in 1997

Flash Flood Warning 129, NWS Louisville, KY

March 18, 1997Butler County, Grayson County, Ohio County, Kentucky

NWS Louisville, KY issued this flash flood warning at Mar 18, 1997, 11:55 AM CST for Butler County, Grayson County, Ohio 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
Mar 18, 1997, 11:55 AM CST (17:55 UTC)
Expired
Mar 18, 1997, 3:00 PM CST
In force
3 hr
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Butler County, KY, Grayson County, KY, Ohio County, KY

The radar

The Louisville radar (KLVX), 89 km from the middle of the area, began a volume at 17:57 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 5.9 hours before the alert went out and 139 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 1997-03-18Temperature 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 12:00Z on 1997-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 246 square meters per square second.193958Sfc1 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
1369 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
246 m²/s²
0-3 km storm-relative helicity
237 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 181801
FFWSDF
KYC183-031-085-182100-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1255 PM EST (1155 AM CST) TUE MAR 18 1997
 
THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  400 PM EST (300 PM CST)
FOR PERSONS IN THE FOLLOWING LOCATIONS...
 
IN WEST KENTUCKY
 
   ...OHIO COUNTY
 
IN SOUTH CENTRAL KENTUCKY
 
   ...BUTLER COUNTY...GRAYSON COUNTY
 
AT 12:55 PM CST (11:55 AM CST)...AN AREA OF SHOWERS AND
THUNDERSTORMS...WITH VERY HEAVY RAIN WAS MOVING ACROSS THE AREA. DOPPLER
RADAR WAS INDICATING 1.0 TO 1.5 INCHES OF RAINFALL PER HOUR WITH THESE
STORMS. THE STORMS WILL AFFECT THIS AREA OVER THE NEXT SEVERAL HOURS AND
FLOODING OF SOME ROADWAYS...LOW LYING AREAS...AND THOSE AREAS NORMALLY
PRONE TO FLASH FLOODING...WILL BE AFFECTED.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
RESIDENTS ACROSS THE WARNED AREA SHOULD MONIT`OR THE WEATHER AND BE
PREPARED TO MOVE TO SAFE GROUND IF FLOODING OCCURS.
 
MCT/RC

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 2:25 AM CSTFlash Flood WarningLMKLogan, Simpson, Warren2 hr
Mar 18, 2:25 AM CSTFlash Flood WarningLMKBarren2 hr
Mar 18, 7:15 AM CSTFlash Flood WarningLMKMeade4 hr
Mar 18, 7:15 AM CSTFlash Flood WarningLMKJefferson, Oldham4 hr
Mar 18, 7:15 AM CSTFlash Flood WarningLMKBullitt, Hardin4 hr
Mar 18, 11:27 AM CSTFlash Flood WarningLMKLogan, Simpson, Warren3 hr
Mar 18, 2:25 PM CSTFlash Flood WarningLMKBarren, Logan, Simpson, Warren14 hr
Mar 18, 2:25 PM CSTFlash Flood WarningLMKBarren, Warren2 hr
Mar 18, 2:25 PM CSTFlash Flood WarningLMKLogan, Simpson2 hr

Nearby

Flash Flood Warnings in Kentucky, 1997Every flash flood warning in 1997

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; radar from the NEXRAD Level II archive.