Alert archive / Indiana / Tornado Warnings in 1986

Tornado Warning 14, NWS Indianapolis, IN

May 15, 1986Daviess County, Martin County, Indiana

NWS Indianapolis, IN issued this tornado warning at May 15, 1986, 7:53 PM EST for Daviess County, Martin County, Indiana. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
May 15, 1986, 7:53 PM EST (00:53 UTC)
Expired
May 15, 1986, 8:30 PM EST
In force
37 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Daviess County, IN, Martin County, IN

The radar

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

The nearest sounding before it

Salem-Leckrone, IL (KSLO), launched 00:00Z, 0.9 hours before the alert went out and 170 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, Salem-Leckrone, IL at 00:00Z on 1986-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1239 joules per kilogram.LCLEL10008507005003002001001 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, Salem-Leckrone, IL at 00:00Z on 1986-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
1239 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
892 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KEVV 160053
TOREVV
INC027-101-160130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
753 PM CDT THU MAY 15 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

SOUTHWEST INDIANA...DAVIESS AND MARTIN

A CONFIRMED TORNADO WAS REPORTED 2 MILES SOUTH OF WASHINGTON
INDIANA BY THE INDIANA STATE POLICE.  WEATHER RADAR INDICATED
THE MOVEMENT WAS TO THE NORTHEAST AT 40 MPH.

THIS IS A DANGEROUS STORM. TAKE COVER IMMEDIATELY!

WILLIAMS

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 8:25 PM ESTSevere Thunderstorm WarningINDFountain, Vermillion35 min
May 15, 8:50 PM ESTTornado WarningINDParke30 min

Nearby

Tornado 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; the sounding from the Mesonet's radiosonde archive.