Alert archive / Indiana / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 15, NWS Indianapolis, IN

May 29, 1987Shelby County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 29, 1987, 4:57 PM EST for Shelby County, Indiana. It was in force for 48 min. 1 report 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
May 29, 1987, 4:57 PM EST (21:57 UTC)
Expired
May 29, 1987, 5:45 PM EST
In force
48 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Shelby County, IN

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
May 29, 5:05 PM ESTThunderstorm Wind 0Shelby, IN

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, 10.0 hours before the alert went out and 142 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 1987-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1302 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 1987-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
1302 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1128 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
-1 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 292158
SVRIND
INC145-292245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
457 PM EST FRI MAY 29 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 545 PM EST FOR PEOPLE IN THE FOLLOWING
COUNTY OF

CENTRAL INDIANA...EASTERN SHELBY

AT 453 PM EST...THE STATE POLICE RELAYED A REPORT FROM FROM
THE SHELBY COUNTY SHERIFF OF SOME WIND DAMAGE NEAR NORRISTOWN
IN SOUTHERN SHELBY COUNTY. THIS IS ABOUT 35 MILES SOUTHEAST OF
DOWNTOWN INDIANAPOLIS.

WEATHER RADAR INDICATED A SEVERE THUNDERSTORM OVER CENTRAL SHELBY
COUNTY AT 455 PM EST. THE STORM WAS MOVING NORTHEAST AT 15 MILES
AN HOUR. PERSONS IN THE PATH OF THE STORM SHOULD MOVE TO SHELTER
IMMEDIATELY. THIS INCLUDES THE RESIDENTS OF SHELBYVILLE.

THIS STORM IS ACCOMPANIED BY INTENSE LIGHTNING AND STRONG GUSTY
WINDS.

EDWARDS

Nearby

Severe Thunderstorm Warnings in Indiana, 1987Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.