Alert archive / Indiana / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 47, NWS Indianapolis, IN

June 13, 1987Brown County, Monroe County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 13, 1987, 4:02 PM EST for Brown County, Monroe County, Indiana. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Jun 13, 1987, 4:02 PM EST (21:02 UTC)
Expired
Jun 13, 1987, 4:45 PM EST
In force
43 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Brown County, IN, Monroe 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

Dayton/James M C, OH (KDAY), launched 12:00Z, 9.0 hours before the alert went out and 203 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 1987-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 136 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 1987-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.1939Sfc1 km3 km6 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
136 J/kg
Mixed-layer CIN
-131 J/kg
Mixed-layer LCL
960 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
81 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 132102
SVRIND
INC105-013-132145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
402 PM EST SAT JUN 13 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 445 PM EST FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

SOUTH CENTRAL INDIANA...SOUTHERN MONROE AND SOUTHERN BROWN

AT 355 PM EST...RADAR SHOWED A SEVERE THUNDERSTORM OVER BLOOMINGTON
MOVING SOUTHEAST AT 25 MPH.

STATE POLICE AND AMATEUR RADIO OPERATORS HAVE REPORTED NUMEROUS
DOWNED TREES IN MONROE COUNTY FROM THIS STORM.

BOATERS AND CAMPERS IN STATE PARKS SHOULD GET OFF THE LAKES
AND FIND SHELTER IMMEDIATELY. NASHVILLE IS ALSO IN THE PATH OF0 THE
STORM.

 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, 1 hour 55 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, 1 hour 3 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, 35 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, 4:10 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
Jun 13, 5:04 PM ESTSevere Thunderstorm WarningINDOwen41 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.