Alert archive / Indiana / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 16, NWS Indianapolis, IN

May 29, 1987Hendricks County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 29, 1987, 7:17 PM EST for Hendricks County, Indiana. It was in force for 28 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
May 29, 1987, 7:17 PM EST (00:17 UTC)
Expired
May 29, 1987, 7:45 PM EST
In force
28 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Hendricks 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, 7:17 PM ESTHail 0.75Hendricks, IN
May 29, 7:33 PM ESTThunderstorm Wind 0Hendricks, 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 00:00Z, 0.3 hours before the alert went out and 198 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 00:00Z on 1987-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1815 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, Dayton/James M C, OH at 00:00Z on 1987-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
1815 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1678 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
36 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 300018
SVRIND
INC063-300045-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 745 PM EST FOR PEOPLE IN THE FOLLOWING
COUNTY OF

CENTRAL INDIANA...NORTHERN HENDRICKS

AT 714 PM EST...RADAR SHOWED A SEVERE THUNDERSTORM IN WESTERN
HENDRICKS COUNTY. THIS STORM WAS ABOUT 25 MILES FROM DOWNTOWN
INDIANAPOLIS. THIS SEVERE THUNDERSTORM WAS MOVING TO THE NORTHEAS
AT 20 MILES AN HOUR.

PERSONS IN NORTHERN HENDRICKS COUNTY SHOULD TAKE SHELTER IMMEDIATELY.

A SEVERE THUNDERSTORMS PRODUCES DAMAGING WINDS IN EXCESS OF
60 MILES AN HOUR..z.LARGE HAIL AND FREQUENT LIGHTNING.

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

EDWARDS

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 29, 5:59 PM EST, 1 hour 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
555 PM EST FRI MAY 29 1987

STRONG THUNDERSTORMS HAVE ERRUPTED RADIPLY OVER WEST CENTRAL
INDIANA.

AT 555 PM EST WEATHER RADAR SHOWED INTENSE THUNDERSTORMS OVER
WESTERN OWEN AND NORTHWEST GREENE COUNTIES. THESE STORMS ARE
ABOUT 25 TO 30 MILES SOUTHEAST OF TERRE HAUTE. THE THUNDERSTORMS
WERE MOVING NORTHEAST AT 20 MILES AN HOUR.

PERSONS IN OWEN COUNTY INCLUDING THE CITY 4OF SPENCER SHOULD BE
ALERT FOR STRONG THUNDERSTORMS...CAPABLE OF PRODUCING GUSTY WINDS
AND HAIL BETWEEN 600PM AND 630 PM EST.

REPORT SEVERE WEATHER TO THE LOCAL POLICE FOR RELAY TO THE NATIONAL
WEATHER SERVICE.
EDWARDS
Special weather statement, May 29, 6:39 PM EST, 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
635 PM EST FRI MAY 29 1987

VERY STRONG THUNDERSTORMS CONTINUE TO RUMBLE ACROSS PARTS OF WEST
CENTRAL INDIANA.

AT 635 PM EST WEATHER RADAR SHOWED INTENSE THUNDERSTORMS REMAINED
OVER PARTS OF WESTERN OWEN COUNTY. THUNDERSTORMS ARE LIKELY TO
PRODUCE DRENCHING RAINS AND FREQUENT DANGEROUS LIGHTNING. THE
STRONGEST THUNDERSTORM WAS ABOUT 25 MILES SOUTHEAST OF TERRE HAUTE.

ADDITIONAL THUNDERSTORMS EXTENDED FROM ABOUT 15 MILES WEST OF MUNCIE
TO SOUTHWEST OF INDIANAPOLIS THROUGH WESTERN OWEN COUNTY TO ABOUT
30 MILES SOUTH SOUTHEAST OF TERRE HAUTE.

MORE THUNDERSTORMS WERE SCATTERED OVER EAST CENTRAL INDIANA AND
SOUTHEAST IZLLINOIS.

ALL OF THE THUNDERSTORMS WERE MOVING NORTHEAST AT 20 MILES AN HOUR.
EDWARDS
Special weather statement, May 29, 7:15 PM EST, 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
715 PM EST FRI MAY 29 1987

AN INTENSE THUNDERSTORM WAS OVER WESTERN HENDRICKS COUNTY IN CENTRAL
INDIANA. AT 710 PM EST THE THUNDERSTORM WAS ABOUT 25 MILES WEST OF
DOWNTOWN INDIANAPOLIS. THIS STORM IS CAPABLE OF PRODUCING HAIL AND
GUSTY WINDS.

THE STORM OVER NORTHERN OWEN COUNTY HAD WEAKENED BUT WAS STILL
CAPABLE OF PRODUCING DRENCHING RAINS AND FREQUENT DANGEROUS LIGHTNING.x

PERSONS IN NORTHERN HENDRICKS COUNTY SHOULD BE PREPARED FOR STRONG
STORMS BETWEEN 715PM AND 745 PM EST.
EDWARDS

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 7:42 PM ESTSevere Thunderstorm WarningINDBoone33 min
May 30, 3:42 PM ESTSevere Thunderstorm WarningINDHancock, Madison48 min
May 30, 3:51 PM ESTSevere Thunderstorm WarningINDDecatur59 min
May 30, 3:58 PM ESTSevere Thunderstorm WarningINDMarshall, Saint Joseph47 min
May 30, 4:06 PM ESTTornado WarningINDRush44 min
May 30, 4:22 PM ESTSevere Thunderstorm WarningINDElkhart, Saint Joseph38 min
May 30, 4:34 PM ESTSevere Thunderstorm WarningINDHenry, Wayne46 min

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.