Alert archive / Indiana / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 49, NWS Indianapolis, IN

June 13, 1987Vigo County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 13, 1987, 4:24 PM EST for Vigo 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, 4:24 PM EST (21:24 UTC)
Expired
Jun 13, 1987, 5:05 PM EST
In force
41 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Vigo 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, 4:35 PM ESTThunderstorm Wind 0Vigo, 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, 9.4 hours before the alert went out and 157 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 132127 COR
SVRIND
INC167-132205-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 505 PM EST FOR THE FOLLOWING COUNTY OF

WEST CENTRAL INDIANA... NORTHERN VIGO

AT 420 PM EST INDIANAPOLIS RADAR SHOWED A SEVERE THUNDERSTORM OVER
SOUTHERN VERMILLION AND SOUTHWEST PARKE COUNTY. THIS SEVERE THUNDER-
STORM WAS MOVING SOUTH SOUTHEAST AND TERRE HAUTE IS IN THE PATH OF
THIS STORM.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH
...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN.  FOR
YOUR? PROTECTION MOVE TO AN INTERIOR ROOM OF YOUR HOME OR BUSINESS.
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND...LARGE HAIL AND DEADLY LIGHTNING.

PRZYBYLINSKI

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 17 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 25 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, 57 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, 4:46 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.