Alert archive / Indiana / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 52, NWS Indianapolis, IN

June 13, 1987Owen County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 13, 1987, 5:04 PM EST for Owen County, Indiana. It was in force for 41 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
Jun 13, 1987, 5:04 PM EST (22:04 UTC)
Expired
Jun 13, 1987, 5:45 PM EST
In force
41 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Owen 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 13, 5:15 PM ESTThunderstorm Wind 0Owen, 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

Salem-Leckrone, IL (KSLO), launched 12:00Z, 10.1 hours before the alert went out and 193 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 1987-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 970 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 1987-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
970 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
931 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
60 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 132205
SVRIND
INC119-132245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
504 PM EST SAT JUN 13 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 545 PM EST FOR THE FOLLOWING COUNTY OF
 
WEST CENTRAL INDIANA... OWEN
 
AT 500 PM EST WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM
40 MILES EAST OF TERRE HAUTE OR 10 MILES NORTHWEST OF SPENCER.
THIS STORM WAS MOVING SOUTHEAST AT 25 MPH.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  MOTORISTS SHOULD NOT
DRIVE INTO LOW WATER CROSSINGS.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTEhR FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND
DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
 
ALLSOPP

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 13, 2:07 PM EST, 2 hours 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
200 PM  EST SAT JUN 13 1987

IN INDIANA THIS SEVERE THUNDERSTORMS   WATCH IS IN EFFECT
UNTIL 900 PM  EST AND INCLUDES THAT PART OF INDIANA...
SOUTHWEST OF A LINE FROM 35 MILES NORTHWEST OF LAFAYETTE TO 30 MILES
NORTHEAST OF LOUISVILLE.

SOME CITIES INCLUDED ARE... EVANSVILLE...TERRE HAUTE...CRAWFORDSVILLE
...BEDFORD...BLOOMINGTON AND VINCENNES

REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE
WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.

AT 200 PM EST RADAR SHOWED THUNDERSTORMS CONTINUING TO DEVELOP OVER
CENTRAL ILLINOIS AND WEST CENTRAL INDIANA FROM NORTH OF CHAMPAIGN
ILLINOIS TO 20 NILES NORTHEAST OF TERRE HAUTE.

THESE STORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR.

GERY
Special weather statement, Jun 13, 2:59 PM EST, 2 hours 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
258 PM EST SAT JUN 13 1987

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EST FOR WEST
CENTRAL AND SOUTHWEST INDIANA

AT 250 PM EST...NATIONAL WEATHER SERVICE RADAR SHOWED TWO VERY INTENSE
THUNDERSTORMS OVER CENTRAL INDIANA. THE STORMS WERE OVER QUINCY AND
GOSPORT...35 TO 40 MILES SOUTHWEST OF INDIANAPOLIS.

THESE STORMS WERE PRODUCING TORRENTIAL RAINS...DANGEROUS LIGHTNING
AND POSSIBLY GUSTY WINDS AND SMALL HAIL.

THE STORMS WERE MOVING SOUTHEAST AT 30 MPH AND WILL REACH THE AREA OF
BROWN COUNTY STATE PARK AND MONROE RESIVOIR AROUND 330 PM. CAMPERS AND
BOATERS SHOULD TAKE COVER AND GET OFF THE LAKE.

ANOTHER AREA OF STRONG THUNDERSTORMS WAS MOVING OUT OF ILLINOIS INTO
VERMILLION AND VIGO COUNTIES OF WEST CENTRAL INDIANA.

ALLSOPP
Local storm report, Jun 13, 3:27 PM EST, 1 hour 37 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
325 PM EST SAT JUN 13 1987

320 PM EST...TREES DOWN WEST OF ELLETSVILLE IN MONROE COUNTY
        BLOCKING STATE ROAD 46.

GERY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 8:35 PM ESTSevere Thunderstorm WarningINDElkhart, Saint Joseph40 min
Jun 12, 10:24 PM ESTSevere Thunderstorm WarningINDKosciusko36 min
Jun 13, 3:07 PM ESTSevere Thunderstorm WarningINDMonroe53 min
Jun 13, 3:57 PM ESTSevere Thunderstorm WarningINDParke, Vermillion38 min
Jun 13, 4:02 PM ESTSevere Thunderstorm WarningINDBrown, Monroe43 min
Jun 13, 4:10 PM ESTSevere Thunderstorm WarningINDJackson40 min
Jun 13, 4:24 PM ESTSevere Thunderstorm WarningINDVigo41 min
Jun 13, 4:46 PM ESTSevere Thunderstorm WarningINDClay44 min
Jun 13, 5:01 PM ESTSevere Thunderstorm WarningINDKnox59 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.