Alert archive / Indiana / Tornado Warnings in 1987

Tornado Warning 2, NWS Indianapolis, IN

May 21, 1987Wayne County, Indiana

NWS Indianapolis, IN issued this tornado warning at May 21, 1987, 12:31 PM EST for Wayne County, Indiana. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
May 21, 1987, 12:31 PM EST (17:31 UTC)
Expired
May 21, 1987, 1:00 PM EST
In force
29 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Wayne 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

Dayton/James M C, OH (KDAY), launched 12:00Z, 5.5 hours before the alert went out and 69 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 1987-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1442 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, Dayton/James M C, OH at 12:00Z on 1987-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.1939Sfc1 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
1442 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
757 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
49 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 KIND 211731
TORIND
INC177-211800-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1231 PM EST THU MAY 21 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 100 PM EST FOR PEOPLE IN THE FOLLOWING COUNTY OF

EAST CENTRAL INDIANA...WESTERN WAYNE

AT 1222 PM EST THE STATE POLICE RELAYED A REPORT OF A POSSIBLE
TORNADO TOUCHDOWN IN EXTREME SOUTHEAST HENRY COUNTY....ABOUT 1 MILE
NORTH OF NEW LISBON.
AT 1225 PM EST A VERY STRONG THUNDERSTORM WAS INDICATED BY RADAR
IN EXTREME WESTERN WAYNE COUNTY...ABOUT 15 MILES WEST OF RICHMOND.
THE STORM WAS MOVING NORTHEAST AT 15 MILES AN HOUR.

KEEP AWAY FROM ALL WINDOWS. TAKE COVER NOW...DO NOT WASTE TIME
OPENING WINDOWS. THE TORNADO WILL DO THAT FOR YOU.

IF YOU ARE IN A MOBILE HOME...WHETHER TIED DOWN OR NOT...
ABANDON IT!!!!  GO TO A COMMUNITY SHELTER...REINFORCED BUILDING...
OR GET INTO A DITCH...DEPRESSION OR CULVERT.

EDWARDS

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 1:11 PM ESTSevere Thunderstorm WarningINDHenry, Randolph, Wayne49 min
May 21, 1:35 PM ESTFlash Flood WarningINDWayne115 min

Nearby

Tornado Warnings in Indiana, 1987Every tornado warning in 1987Tornadoes in 1987

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.