Alert archive / Indiana / Flash Flood Warnings in 1996

Flash Flood Warning 11, NWS Louisville, KY

April 29, 1996Jefferson County, Indiana

NWS Louisville, KY issued this flash flood warning at Apr 29, 1996, 2:53 PM EST for Jefferson County, Indiana. It was in force for 2 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
Apr 29, 1996, 2:53 PM EST (19:53 UTC)
Expired
Apr 29, 1996, 5:00 PM EST
In force
2 hr
Issued by
NWS Louisville, KY
Area
Whole counties

County Jefferson County, IN

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.9 hours before the alert went out and 159 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 1996-04-29Temperature 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, Cncnati-Daytn, OH at 12:00Z on 1996-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -276 square meters per square second.1939587897Sfc1 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
497 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
-276 m²/s²
0-3 km storm-relative helicity
-76 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 291951
FFWSDF
INC077-292200-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
353 PM EDT MON APR 29 1996
 
THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  600 PM EDT
FOR PERSONS IN THE FOLLOWING LOCATION...
 
IN SOUTH INDIANA
 
   ...JEFFERSON COUNTY
 
AT 3:45 PM EDT (2:45 PM EST)...RADAR INDICATED RAIN CONTINUING
OVER SOUTH CENTRAL INDIANA AND OVER JEFFERSON COUNTY INDIANA THIS
EVENING.  THE RAIN WILL CONTINUE THROUGH 6 PM EDT (5 PM EDT).
 
ROADS WERE REPORTED COVERED WITH WATER AND A MUD SLIDE WAS REPORTED ON
INDIANA STATE ROAD 56 BY THE JEFFERSON COUNTY SHERIFF.
 
THE RAIN WILL CONTINUE AND THE GROUND IS SATURATED. LOW LYING AREAS
WILL BECOME FLOODED AND STREAMS WILL PROBABLY OVERFLOW.  TAKE ACTION
NOW TO GET TO HIGHER GROUND IF YOU ARE IN A FLOOD PRONE AREA.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
VD/WHW
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 10:46 PM ESTFlash Flood WarningLMKCrawford, Dubois, Orange, Washington4 hr
Apr 28, 10:46 PM ESTFlash Flood WarningLMKScott4 hr
Apr 29, 12:02 AM ESTFlash Flood WarningLMKJefferson3 hr
Apr 29, 1:45 AM ESTFlash Flood WarningLMKPerry75 min
Apr 29, 6:45 AM ESTFlash Flood WarningLMKClark, Jefferson, Scott4 hr
Apr 29, 6:45 AM ESTFlash Flood WarningLMKCrawford, Floyd, Harrison, Washington4 hr
Apr 29, 6:45 AM ESTFlash Flood WarningLMKDubois, Orange4 hr
Apr 29, 6:45 AM ESTFlash Flood WarningLMKPerry4 hr
Apr 29, 1:26 PM ESTSevere Thunderstorm WarningLMKHarrison34 min

Nearby

Flash 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.