Alert archive / Kentucky / Tornado Warnings in 1986

Tornado Warning 2, NWS Louisville, KY

March 10, 1986Clark County, Indiana; Oldham County, Trimble County, Kentucky

NWS Louisville, KY issued this tornado warning at Mar 10, 1986, 3:50 PM EST for Clark County, Indiana; Oldham County, Trimble County, Kentucky. It was in force for 40 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 10, 1986, 3:50 PM EST (20:50 UTC)
Expired
Mar 10, 1986, 4:30 PM EST
In force
40 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Clark County, IN, Oldham County, KY, Trimble County, KY

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Mar 10, 3:50 PM ESTThunderstorm Wind 61Oldham, KY
Mar 10, 4:20 PM ESTHail 1.75Oldham, KY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 8.8 hours before the alert went out and 192 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, Dayton/James M C, OH at 12:00Z on 1986-03-10Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dayton/James M C, OH at 12:00Z on 1986-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 422 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
893 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
422 m²/s²
0-3 km storm-relative helicity
421 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 102051 RRA
TORSDF
INC019-KYC185-223-102130-

BULLETIN-IMMEDIATE BROADCAST REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
350 PM EST MON MAR 10 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 430 PM EST FOR PEOPLE IN THE FOLLOWING COUNTIES OF

SOUTH CENTRAL INDIANA...CLARK

AND NORTH CENTRAL KENTUCKY ...OLDHAM...AND TRIMBLE.

AT 345 PM EST WEATHER RADAR DETECTED A POSSIBLE TORNADO IN CLARK
COUNTY INDIANA 25 MILES NORTH OF LOUISVILLE.

THOSE PEOPLE IN THE ABOVE WARNED AREAS SHOULD SEEK SHELTER IMMEDIATELY
AND REMAIN INDOORS UNTIL THE THREAT OF SEVERE WEATHER PASSES.

AUSTIN

A BASEMENT OFFERS THE BEST PROTECTION. IF YOU DO NOT
HAVE A BASEMENT GO TO A WINDOWLESS INTERIOR HALLWAY..ROOM OR CLOSET.
TAKE SHELTER UNDER A STURDY OBJECT AND STAY AWAY FROM WINDOWS.

AUSTIN

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 10, 3:15 PM ESTSevere Thunderstorm WarningLMKClark, Jefferson, Scott75 min
Mar 10, 3:15 PM ESTSevere Thunderstorm WarningLMKFloyd, Harrison75 min
Mar 10, 3:30 PM ESTTornado WarningLMKJefferson, Scott30 min
Mar 10, 5:35 PM ESTSevere Thunderstorm WarningLMKScott40 min
Mar 10, 2:20 PM ESTSevere Thunderstorm WarningLMKCaldwell, Lyon55 min
Mar 10, 3:30 PM ESTSevere Thunderstorm WarningLMKJefferson, Oldham60 min
Mar 10, 3:55 PM ESTSevere Thunderstorm WarningLMKBreckinridge, Hardin, Meade50 min
Mar 10, 4:20 PM ESTSevere Thunderstorm WarningLMKHenry, Shelby40 min
Mar 10, 4:30 PM ESTSevere Thunderstorm WarningLMKBullitt, Nelson60 min
Mar 10, 4:30 PM ESTSevere Thunderstorm WarningLMKLarue60 min
Mar 10, 4:37 PM ESTTornado WarningLMKNelson33 min

Nearby

Tornado Warnings in Kentucky, 1986Tornado Warnings in Indiana, 1986Every tornado warning in 1986Tornadoes in 1986

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.