Alert archive / Indiana / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 77, NWS Indianapolis, IN

June 29, 1987Henry County, Wayne County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 29, 1987, 7:16 PM EST for Henry County, Wayne County, Indiana. It was in force for 29 min. 3 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
Jun 29, 1987, 7:16 PM EST (00:16 UTC)
Expired
Jun 29, 1987, 7:45 PM EST
In force
29 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Henry County, IN, Wayne 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
Jun 29, 7:19 PM ESTThunderstorm Wind 0Henry, IN
Jun 29, 7:20 PM ESTThunderstorm Wind 0Wayne, IN
Jun 29, 7:40 PM ESTThunderstorm Wind 0Wayne, 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 86 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 1987-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 717 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 00:00Z on 1987-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.193958Sfc1 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
717 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1772 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 300016
SVRIND
INC065-177-300045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
716 PM EST MON JUN 29 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 745 PM EST FOR THE FOLLOWING COUNTIES OF
 
EAST CENTRAL INDIANA... EASTERN HENRY... WAYNE
 
AT 710 PM EST STATE POLICE REPORTED NUMEROUS TREES DOWNED ABOUT 25 MILES
WEST OF RICHMOND OR JUST TO THE NORTH OF NEW CASTLE.
 
RADAR INDICATED AT 715 PM EST A SEVERE THUNDERSTORM WAS ABOUT 20 MILES
WEST OF RICHMOND AND MOVING TO THE EAST AT 40 MPH.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND
DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
 
REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY OR THE
NATIONAL WEATHER SERVICE.
 
HENDRICKSON

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, Jun 29, 2:37 PM EST, 4 hours 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
235 PM EST MON JUN 29 1987

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF NORTHERN
INDIANA UNTIL 900 PM EST...

AT 230 PM EST...INDIANAPOLIS RADAR SHOWED A SMALL AREA OF INTENSE
THUNDERSTORMS OVER PARTS OF EAST CENTRAL ILLINOIS.

THE AREA OF THUNDERSTORMS EXTENDED FROM 45 MILES NORTHWEST OF
LAFAYETTE NEAR MOROCCO IN CENTRAL NEWTON COUNTY TO ABOUT 15 MILES
EAST OF BLOOMINGTON ILLINOIS.

THE STRONGEST THUNDERSTORM WAS LOCATED ABOUT 35 MILES NORTH OF
CHAMPAIGN ILLINOIS IN CENTRAL FORD COUNTY ILLINOIS.

THIS AREA OF THUNDERSTORMS WILL PASS THROUGH NEWTON...JASPER AND
NORTHERN BENTON COUNTIES IN NORTHWEST INDIANA BETWEEN 240 AND 320 PM
EST THIS AFTERNOON.
.
GUSTY SURFACE WINDS...HAIL...HEAVY RAINFALL AND DANGEROUS LIGHTNING
WILL ACCOMPANY SOME OF THE STRONGER THUNDERSTORMS.

THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 45 MILES AN HOUR.
PRZYBYLINSKI
Special weather statement, Jun 29, 3:27 PM EST, 3 hours 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
325 PM EST MON JUN 29 1987

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF NORTHERN
INDIANA UNTIL 900 PM EST...

AT 320 PM EST...INDIANAPOLIS RADAR SHOWED AN AREA OF INTENSE
THUNDERSTORMS OVER PARTS OF NORTHWEST AND WEST CENTRAL INDIANA.

THE AREA OF THUNDERSTORMS EXTENDED FROM CENTRAL PULASKI COUNTY
...OR ABOUT 45 MILES NORTH OF LAFAYETTE TO ABOUT 15 MILES NORTH
OF CHAMPAIGN ILLINOIS.

THE STRONGEST THUNDERSTORMS WERE LOCATED NEAR RENNSELAER IN SOUTHERN
JASPER COUNTY AND OVER SOUTHWEST BENTON...NORTHWEST WARREN COUNTIES
...OR ABOUT 30 MILES WEST OF LAFAYETTE.
.
GUSTY SURFACE WINDS...HAIL...HEA1VY RAINFALL AND DANGEROUS LIGHTNING
WILL ACCOMPANY SOME OF THE STRONGER THUNDERSTORMS.

THE THUNDERSTORMS WERE MOVING TO THE EAST NORTHEAST AT 45 MILES AN
HOUR.
PRZYBYLINSKI

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.