Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 110, NWS Indianapolis, IN

July 11, 1986Hancock County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 11, 1986, 5:10 PM EST for Hancock County, Indiana. It was in force for 35 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
Jul 11, 1986, 5:10 PM EST (22:10 UTC)
Expired
Jul 11, 1986, 5:45 PM EST
In force
35 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Hancock 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
Jul 11, 5:30 PM ESTThunderstorm Wind 0Hancock, 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, 10.2 hours before the alert went out and 135 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 1986-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 283 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 1986-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
283 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
638 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KIND 112210
SVRIND
INC059-112245-

BULLETIN...IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
510 PM EST FRI JUL 11 1986


THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 545 PM EST FOR PEOPLE IN THE FOLLOWING

HANCOCK COUNTY OF CENTRAL INDIANA.

AT 500PM A SEVERE THUNDERSTORM WAS MOVING INTO WESTERN HANCOCK
COUNTY.

THIS INCLUDES THE CITY OF GREENFIELD.

THIS STORM DOWNED TREES AS IT MOVED THROUGH MARION COUNTY.

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 WEATHER SERVICE.

HAINES

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 7:10 PM ESTSevere Thunderstorm WarningINDBenton35 min
Jul 11, 2:50 PM ESTSevere Thunderstorm WarningINDWayne30 min
Jul 11, 3:34 PM ESTSevere Thunderstorm WarningINDParke26 min
Jul 11, 4:18 PM ESTSevere Thunderstorm WarningINDVigo42 min
Jul 11, 4:40 PM ESTSevere Thunderstorm WarningINDMarion50 min
Jul 11, 4:50 PM ESTSevere Thunderstorm WarningINDHamilton40 min
Jul 11, 5:50 PM ESTSevere Thunderstorm WarningINDHenry40 min
Jul 11, 5:58 PM ESTSevere Thunderstorm WarningINDDelaware32 min
Jul 11, 6:13 PM ESTSevere Thunderstorm WarningINDJohnson37 min
Jul 11, 6:13 PM ESTSevere Thunderstorm WarningINDShelby47 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.