Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 43, NWS Indianapolis, IN

May 7, 1986Hendricks County, Marion County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 7, 1986, 5:00 PM EST for Hendricks County, Marion County, Indiana. It was in force for 45 min. 3 reports 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
May 7, 1986, 5:00 PM EST (22:00 UTC)
Expired
May 7, 1986, 5:45 PM EST
In force
45 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Hendricks County, IN, Marion 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
May 7, 5:09 PM ESTThunderstorm Wind 0Hendricks, IN
May 7, 5:10 PM ESTThunderstorm Wind 52Marion, IN
May 7, 5:11 PM ESTThunderstorm Wind 54Marion, 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

Dayton/James M C, OH (KDAY), launched 12:00Z, 10.0 hours before the alert went out and 182 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 1986-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 803 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, Dayton/James M C, OH at 12:00Z on 1986-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
803 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
896 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
100 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 072201
SVRIND
INC097-063-072245-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 545 PM EST FOR PERSONS IN SOUTHERN AND EASTERN HENDRICKS
AND MARION COUNTIES OF CENTRAL INDIANA. THIS INCLUDES THE INDIANAPOLIS
METROPOLITAN AREA.

AT 455 PM A SEVERE THUNDERSTORM WAS 15 MILES NORTHWEST OF INDIANAPOLIS
MOVING EAST SOUTHEAST AT 25 MPH. THIS STORM IS CAPABLE OF PRODUCING
LARGE HAIL...DAMAGING WINDS...DANGEROUS LIGHTNING AND HEAVY RAIN
THAT CAN RAPIDLY FLOOD LOW LYING AREAS. PEOPLE IN THE PATH OF THIS
STORM SHOULD SEEK SHELTER IMMEDIJATELY.

REPORT SEVERE WEATHER TO THE POLICE..SHERIFF..OR STATE POLICE
FOR RELAY TO THE NATIONAL WEATHER SERVICE.
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, May 7, 3:33 PM EST, 1 hour 27 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, 9 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

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 7:22 PM ESTSevere Thunderstorm WarningINDTippecanoe, White28 min
May 6, 8:05 PM ESTSevere Thunderstorm WarningINDVermillion, Warren30 min
May 6, 8:10 PM ESTSevere Thunderstorm WarningINDFountain30 min
May 6, 8:55 PM ESTSevere Thunderstorm WarningINDHendricks30 min
May 6, 9:00 PM ESTSevere Thunderstorm WarningINDBoone30 min
May 6, 9:19 PM ESTSevere Thunderstorm WarningINDMarion26 min
May 6, 9:25 PM ESTSevere Thunderstorm WarningINDHancock, Shelby30 min
May 6, 9:25 PM ESTSevere Thunderstorm WarningINDJohnson30 min
May 6, 10:04 PM ESTSevere Thunderstorm WarningINDHancock21 min
May 6, 10:13 PM ESTSevere Thunderstorm WarningINDHenry, Rush32 min
May 6, 10:23 PM ESTSevere Thunderstorm WarningINDFayette32 min
May 6, 10:27 PM ESTSevere Thunderstorm WarningINDWayne33 min
May 7, 2:55 PM ESTSevere Thunderstorm WarningINDDecatur25 min
May 7, 3:45 PM ESTSevere Thunderstorm WarningINDTippecanoe45 min
May 7, 4:18 PM ESTSevere Thunderstorm WarningINDBoone, Montgomery42 min
May 7, 4:33 PM ESTSevere Thunderstorm WarningINDParke42 min
May 7, 5:18 PM ESTSevere Thunderstorm WarningINDJohnson42 min
May 7, 5:30 PM ESTTornado WarningINDJohnson, Marion30 min
May 7, 6:05 PM ESTSevere Thunderstorm WarningINDShelby25 min
May 7, 6:10 PM ESTTornado WarningINDRush35 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1986Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.