Alert archive / Kentucky / Flash Flood Warnings in 1996

Flash Flood Warning 31, NWS Louisville, KY

May 8, 1996Henry County, Oldham County, Trimble County, Kentucky; Jefferson County, Indiana

NWS Louisville, KY issued this flash flood warning at May 8, 1996, 10:46 AM EDT for Henry County, Oldham County, Trimble County, Kentucky; Jefferson County, Indiana. It was in force for 85 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 8, 1996, 10:46 AM EDT (14:46 UTC)
Expired
May 8, 1996, 12:11 PM EDT
In force
85 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Jefferson County, IN, Henry County, KY, Oldham County, KY, Trimble County, KY

The radar

The Louisville radar (KLVX), 84 km from the middle of the area, began a volume at 14:47 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 2.8 hours before the alert went out and 164 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 1996-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 89 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 1996-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.19395878Sfc1 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
89 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
611 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
22 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 081450
FFWSDF
INC077-KYC103-185-223-081645-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1046 AM EDT WED MAY 8 1996
 
THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1245 PM EDT
FOR PERSONS IN THE FOLLOWING LOCATIONS...
 
IN SOUTH INDIANA
 
   ...JEFFERSON COUNTY
 
 
IN NORTH CENTRAL KENTUCKY
 
   ...HENRY COUNTY...OLDHAM COUNTY...TRIMBLE COUNTY
 
AT 1045 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF THUNDERSTORMS PRODUCING HEAVY RAIN FROM NEAR LEOTA INDIANA IN
WESTERN SCOTT COUNTY TO NEAR CHARLESTOWN INDIANA AND TO HARRODS CREEK IN
NORTHEAST JEFFERSON COUNTY KENTUCKY. THE STORMS WERE MOVING SLOWLY
NORTHEAST AND WILL DROP ONE TO TWO INCHES OVER THE WARNED COUNTIES
THROUGH 1 PM EDT.
 
MOST DEATHS IN FLASH FLOODING 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.
 
KIRKPATRICK

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

Local storm report, May 8, 10:40 AM EDT, 6 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1037 AM EDT WED MAY 8 1996

TIME EDT     .....CITY LOCATION.....    STATE    ...EVENT...
 DATE        ....COUNTY LOCATION....            ...REMARK0S...

1430   EDT    ORANGE COUNTY               KY    REPORTS OF ROADS UNDER
5/8/96        ORANGE                            WATER ACROSS ALL PARTS
                                                OF THE COUNTY

MK

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 7:41 AM EDTFlash Flood WarningLMKBreckinridge64 min
May 8, 7:41 AM EDTFlash Flood WarningLMKBreckinridge79 min
May 8, 5:25 PM EDTSevere Thunderstorm WarningLMKTrimble50 min
May 8, 5:36 PM EDTSevere Thunderstorm WarningLMKHenry, Oldham39 min
May 8, 5:55 PM EDTSevere Thunderstorm WarningLMKFranklin, Shelby50 min
May 8, 6:12 PM EDTSevere Thunderstorm WarningLMKHarrison, Scott48 min
May 8, 6:18 PM EDTSevere Thunderstorm WarningLMKHenry27 min
May 8, 6:33 PM EDTSevere Thunderstorm WarningLMKBourbon, Nicholas42 min
May 8, 6:33 PM EDTSevere Thunderstorm WarningLMKFayette42 min
May 8, 6:48 PM EDTSevere Thunderstorm WarningLMKBath, Fleming42 min
May 8, 7:03 PM EDTSevere Thunderstorm WarningLMKClark, Montgomery42 min
May 8, 7:17 PM EDTSevere Thunderstorm WarningLMKRowan28 min
May 8, 7:47 AM EDTFlash Flood WarningLMKPerry73 min
May 8, 7:47 AM EDTFlash Flood WarningLMKPerry58 min
May 8, 9:05 AM EDTFlash Flood WarningLMKDubois, Orange3 hr
May 8, 9:43 AM EDTFlash Flood WarningLMKClark, Scott, Washington62 min
May 8, 4:36 PM EDTSevere Thunderstorm WarningLMKDubois, Orange54 min
May 8, 4:36 PM EDTSevere Thunderstorm WarningLMKWashington54 min
May 8, 4:51 PM EDTSevere Thunderstorm WarningLMKJefferson, Scott54 min
May 8, 5:18 PM EDTTornado WarningLMKScott27 min
May 8, 5:25 PM EDTSevere Thunderstorm WarningLMKCrawford, Harrison50 min
May 8, 5:28 PM EDTTornado WarningLMKJefferson17 min

Nearby

Flash Flood Warnings in Kentucky, 1996Flash Flood Warnings in Indiana, 1996Every flash flood warning in 1996

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.