Alert archive / Indiana / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 67, NWS Indianapolis, IN

June 25, 1987Clay County, Putnam County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 25, 1987, 2:31 PM EST for Clay County, Putnam County, Indiana. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Jun 25, 1987, 2:31 PM EST (19:31 UTC)
Expired
Jun 25, 1987, 3:15 PM EST
In force
44 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Clay County, IN, Putnam 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 12:00Z, 7.5 hours before the alert went out and 192 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 12:00Z on 1987-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 223 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, Salem-Leckrone, IL at 12:00Z on 1987-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
223 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
952 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
17 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 251931
SVRIND
INC021-133-252015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
231 PM EST THU JUN 25 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 315 PM EST FOR THE FOLLOWING COUNTIES OF
 
WEST CENTRAL INDIANA... NORTHEASTERN CLAY... SOUTHERN PUTMAN
 
AT 230 PM EST RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 15 MILES
NORTHEAST OF TERRE HAUTE AND MOVING EAST AT 20 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 25, 11:35 AM EST, 2 hours 56 minutes before
REDEFING STATEMENT FOR SEVERE THUNDERSTORM WATCH 262
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
1130 AM EST THU JUN 25 1987

IN INDIANA THIS WATCH IS IN EFFECT UNTIL 500 PM EST AND INCLUDES
MOST OF THE NORTHWEST HALF OF INDIANA.  THE AREA IS NORTH OF A LINE
FROM 20 MILE NORTHEAST OF FORT WAYNE TO 10 MILES SOUTH OF VINCENNES.
THIS WATCH DOES NOT INCLUDE INCLUDE LAKE COUNTY IN EXTREME NORTHWEST
INDIANA.

SOME CITIES INCLUDED ARE..0.SOUTH BEND..FORT WAYNE...RENSSELAER...
KOKOMO...LAFAYETE AND TERRE HAUTE.
HENDRICKSON
Special weather statement, Jun 25, 12:00 PM EST, 2 hours 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
1202 PM EST THU JUN 25 1987

A SEVERE THUNDERSTORM WATCH COVERS THE NORTHWEST HALF OF INDIANA
UNTIL 500 PM EST. SOME CITIES INCLUDED IN THE WATCH ARE SOUTH BEND
...FORT WAYNE...RENSSELAER...KOKOMO...LAFAYETTE AND TERRE HAUTE.
AT THIS TIME THE WATCH DOES NOT INCLUDE INDIANAPOLIS.

SHORTLY BEFORE NOONTIME A LINE OF STRONG THUNDERSTORMS WAS ENTERING
NORTHWEST INDIANA. IN ADDITION A CLUSTER OF THUNDERSTORMS WAS FORMING
IN EAST CENTRAL ILLINOIS ABOUT 35 MILES WEST AND 45 MILES SOUTHWEST
OF LAFAYETTE. THE STORMS WILL MOVE EAST AT 30 MILES AN HOUR.

PERSONS IN NORTHWEST AND WEST CENTRAL INDIANA SHOULD BE ALERT FOR
THCE POSSIBILITY OF SEVERE THUNDERSTORMS EARLY THIS AFTERNOON. DAMAGING
WINDS AND LARGE HAIL MAY OCCUR WITH THE STRONGER STORMS.

LISTEN TO THIS STATION FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS
FROM THE NATIONAL WEATHER SERVICE.
EDWARDS
Special weather statement, Jun 25, 12:56 PM EST, 1 hour 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
1255 PM EST THU JUN 25 1987

A SEVERE THUNDERSTORM WATCH COVERS THE NORTHWEST HALF OF INDIANA
UNTIL 500 PM EST. SOME CITIES INCLUDED IN THE WATCH ARE SOUTH BEND
...FORT WAYNE...RENSSELAER...KOKOMO...LAFAYETTE AND TERRE HAUTE.

REMEMBER A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE
FOR SEVERE THUNDERSTORMS IN OR NEAR THE WATCH AREA.

AT 1245 PM EST THUNDERSTORMS HAD MOVED INTO NORTHWEST AND WEST CENTRAL
INDIANA. THUNDERSTORMS WERE 25 MILES NORTH OF LAFAYETTE TO NORTH OF
DANVILLE ILLINOIS AND BACK TO CHAMPAIGN ILLINOIS.

A SMALL CLUSTER OF THUNDERSHOWERS WAS ABOUT 10 MILES NORTH OF TERRE
HAUTE.

THE THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN HOUR AND COULD BECOME
SEVERE THIS AFTERNOON. PERSONS IN NORTH AND WEST CENTRAL INDIANA SHOULD
BE AWARE OF THE POTENTIAL FOR SEVERE THUNDERSTORMS AND BE PREPARED TO
SEEK SHELTER INDOORS IF THUNDERSTORMS APPROACH YOUR AREA.
EDWARDS
Special weather statement, Jun 25, 1:35 PM EST, 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
133 PM EST THU JUN 25 1987

A SEVERE THUNDERSTORM WATCH COVERS THE NORTHWEST HALF OF INDIANA
UNTIL 500 PM EST. SOME CITIES INCLUDED IN THE WATCH ARE SOUTH BEND
...FORT WAYNE...RENSSELAER...KOKOMO...LAFAYETTE AND TERRE HAUTE.

REMEMBER A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE
FOR SEVERE THUNDERSTORMS IN OR NEAR THE WATCH AREA.

AT 130 PM EST A LINE OF THUNDERSTORMS EXTENDED FROM JUST WEST OF
SOUTH BEND TO DANVILLE ILLINOIS AND THEN TO SOUTHWEST TOWARDS
SAINT LOUIS.

THE STRONGEST THUNDERSTORMS WERE JUST WEST OF WILLIAMSPORT OR ABOUT
30 MILES SOUTHWEST OF LAFAYETTE.

THESE THUNDERSTORMS MAY PRODUCE STRONG WINDS...HEAVY RAIN AND POSSIBLY
SOME HAIL.

THE THUNDERSTORMS WERE MOVING EAST AT 25 MPH AND SHOULD MOVE INTO THE
LAFAYETTE AREA AROUND 200 PM EST AND REACH CRAWFORDSVILLE BY 230 PM
EST.

OTHER SCATTERED THUNDERSTORMS WERE DEVELOPOING OVER WEST CENTRAL
AND SOUTH CENTRAL INDIANA.

IF SEVERE WEATHER THREATENS...SEEK SHELTER IMMEDIATELY.
HENDRICKSON
Special weather statement, Jun 25, 2:12 PM EST, 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
210 PM EST THU JUN 25 1987

A SEVERE THUNDERSTORM WATCH CONTINUES OVER THE NORTHWEST HALF OF
INDIANA UNTIL 500 PM EST.

AT 205 PM EST A LINE OF STRONG THUNDERSTORMS WAS JUST TO THE  WEST
OF LAFAYETTE AND TO THE NORTHWEST OF TERRE HAUTE.

THE STRONGEST STORMS WERE OCCURRING ABOUT 20 MILES SOUTHWEST OF
LAFAYETTE AND ALSO 20 MILES NORTH OF TERRE HAUTE.

THESE THUNDERSTORMS MAY PRODUCE STRONG WINDS...HEAVY RAIN AND POSSIBLY
SOME HAIL.

THE THUNDERSTORMS WERE MOVING EAST AT 20 MPH.  THE THUNDERSTORMS SHOULD
MOVE INTO THE LOGANSPORT...CRAWFORDSVILLE AND TERRE HAUTE AREAS
BETWEEN 230 AND 300 PM EST.

OVER SOUTH CENTRAL INDIANA...SCATTERED THUNDERSTORMS WERE ALSO
OCCURRING ABOUT 20 MILES SOUTHWEST OF BLOOMINGTON.
HENDRICKSON
Special weather statement, Jun 25, 2:31 PM EST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
230 PM EST THU JUN 25 1987

THE SEVERE THUNDERSTORM WATCH CONTINUES FOR PARTS OF NORTH CENTRAL
AND WEST CENTRAL INDIANA UNTIL 500 PM EST. THE SEVERE THUNDERSTORM
WATCH IS NO LONGER IN EFFECT WEST OF A LINE FROM SOUTH BEND TO
LAFAYETTE TO TERRE HAUTE.

PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT FOR THE POTENTIAL
FOR SEVERE STORMS THE REMAINDER OF THE AFTERNOON.

AT 225 PM EST THE STRONGEST THUNDERSTORMS WERE FORMING JUST EAST
OF TERRE HAUTE AND IN SOUTHWEST MONTGOMERY COUNTY SOUTHWEST OF
CRAWFORDSVILLE.

THE THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN HOUR.
EDWARDS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 1:04 PM ESTSevere Thunderstorm WarningINDLaPorte, Saint Joseph56 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; the sounding from the Mesonet's radiosonde archive.