Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 47, NWS Indianapolis, IN

May 7, 1986Sullivan County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 7, 1986, 7:26 PM EST for Sullivan County, Indiana. It was in force for 24 min.

The area

The counties it named.

The facts

Issued: May 7, 1986, 7:26 PM EST (00:26 UTC)
Expired: May 7, 1986, 7:50 PM EST
In force: 24 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Sullivan 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 00:00Z, 0.4 hours before the alert went out and 138 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1778 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 1705 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 69 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 080027
SVRIND
INC153-080050-

BULLETIN...IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
726 PM EST WED MAY 7 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 750 PM EST FOR PERSONS IN SULLIVAN COUNTY OF WEST
CENTRAL INDIANA.

AT 720 PM INDIANAPOLIS RADAR SHOWED A SEVERE THUNDERSTORM OVER WEST
UNION OF CLARK COUNTY IN ILLINOIS. THE STORM WAS MOVING SOUTHEAST AT
30 MPH TOWARD SULLIVAN COUNTY INDIANA. SULLIVAN AND DUGGER ARE IN THE
PATH OF THIS STORM.

PEOPLE IN THE PATH OF THIS STORM SHOULD SEEK SHELTER IMMEDIATELY.

REPORT SEVERE WEATHER TO THE POLICE..SHERIFF..OR STATE POLICE
FOR RELAY TO THE NATIONAL WKEATHER SERVICE.
DD

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, May 7, 3:33 PM EST, 3 hours 53 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
332 PM EST WED MAY 7 1986

THE LOCAL POLICE HAS RELAYED A REPORT OF MARBLE SIZE HAIL AND VERY
BLINDING RAIN IN FRANKFORT INDIANA IN CLINTON COUNTY AT 328 PM EST.

WEATHER RADAR INDICATES THIS STORM SHOULD MOVE EAST AT 30 MPH AND
MOVE NORTH OF KIRKLIN INDIANA WHICH IS ABOUT 30 MILES NORTH OF
INDIANAPOLIS BETWEEN 335PM AND 350 PM EST.

OTHER VERY STRONG STORMS CAPABLE OF PRODUCING HAIL AND GUSTY WINDS
WERE ABOUT 8 MILES SOUTHEAST OF LAFAYATTE AND THEN SCATTERED WEST
SOUTHWEST TO ABOUT 25 MILES NORTH OF TERRE HAUTE.
EDWARDS

Local storm report, May 7, 4:51 PM EST, 2 hours 35 minutes before

STORM REPORT...PART ONE..FOR MAY 7 1986 SEVERE WEATHER EVENT..
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
450 PM EST WED MAY 7 1986

         SEVERE WEATHER EVENT ON MAY 7TH..1986
         ALL REPORTS IN EASTERN STANDARD TIME

435 PM   11/2 INCH HAIL IN CLINTON REPORTED BY STATE POLICE

435 PM   2 LARGE TREES DOWN AT COUNTY ROAD 400W IN CRAWFODSVILLE
         REPORTED BY STATE POLICE.

428 PM   GOLF BALL SIZE HAIL AT STATE ROADS 36 AND 63 IN VERMILLION
         COUNTY REPORTED BY STATE POLICE

445 PM   LARGE TREES DOWN IN DARLINGTON 7 MILES NORTHEAST OF
         CRAWFODSVILLE REPORTED BY STATE POLICE

401 PM   GOLF BALL SIZE HAIL IN FRANKFORT REPORTED BY STATE POLICE
330 PM   13/4 INCH HCAIL AT BATESVILLE REPORTED BY STATE POLICE

322 PM   GOLF BALL SIZE HAIL WEST OF BATESVILLE REPORTED BY STATE
         POLICE

ALLSOPP/CURRAN/DECAIRE/EDWARDS/HAINES/VAN ETTEN

Special weather statement, May 7, 5:04 PM EST, 2 hours 22 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
500 PM EST WED MAY 7 1986

SMALL HAIL..ABOUT 1/4 INCH IN DIAMETER..WAS FALLING OVER THE NORTHERN
PARTS OF HENDRICKS AND MARION COUNTIES. THE HAIL WAS ACCOMPANIED BY
VERY HEAVY RAIN.

ALSO 1/2 INCH HAIL WAS REPORTED AT GREENCASTLE AND A WIND GUST TO
50 MPH WAS REPORTED AT PITTSBORO JUST BEFORE 5 PM EST.

THE STORMS PRODUCING THE HAIL..GUSTY WINDS..AND HEAVY RAIN WERE
MOVING ENAST/SOUTHEAST AT 30 MPH TOWARD ZIONSVILLE..CLERMONT..PLAINFIELD
..AND THE IDIANAPOLIS METROPOLITAN AREA.

DD

Special weather statement, May 7, 6:41 PM EST, 45 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
640 PM EST WED MAY 7 1986

THE SEVERE THUNDERSTORM WATCH FOR PARTS OF CENTRAL AND SOUTHERN INDIANA
IS NO LONGER IN EFFECT FOR THE AREA NORTH OF A LINE FROM 20 MILES NORTH
OF TERRE HAUTE TO 30 MILES EAST OF MUNCIE. THE WATCH WILL REMAIN IN
EFFECT SOUTH OF THAT LINE AND NORTH OF A LINE FROM NEAR VINCENNES TO
ABOUT 30 MILES SOUTH OF CINCINNATI UNTIL 9 PM EST.

SOME CI TIES STILL IN THE WATCH AREA INCLUDE INDIANAPOLIS..MARTINSVILLE..
BLOOMINGTON..TERRE HAUTE..RICHMOND..AND COLUMBUS.

DD

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 7:03 PM EST	Severe Thunderstorm Warning	IND	Lawrence	27 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1986 Every severe thunderstorm warning in 1986

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.