Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 92, NWS Indianapolis, IN

June 30, 1986Jackson County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 30, 1986, 1:27 PM EST for Jackson County, Indiana. It was in force for 33 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 30, 1986, 1:27 PM EST (18:27 UTC)
Expired
Jun 30, 1986, 2:00 PM EST
In force
33 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Jackson 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 30, 1:40 PM ESTHail 1.5Jackson, 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, 6.5 hours before the alert went out and 193 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 1986-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1986-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1173 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
185 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 301829
SVRIND
INC071-301900-

BULLETIN...IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
127 PM EST MON JUN 30 1986


THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 200 PM EST FOR PEOPLE IN SOUTHEAST JACKSON COUNTY


OF SOUTHEAST INDIANA.

RADAR SHOWED A SEVERE THUNDERSTORM IN SOUTHERN JACKSON COUNTY
MOVING EAST AT 30 MILES AN HOUR.




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

REMEMBER A SEVERE THUNDERSTORM PRODUCES DAMAGING WINDS IN
EXCESS OF 60 MILES AN HOUR..LARGE HAIL..FREQUENT LIGHTNING
AND POSSIBLE HEAVY RAIN THAT CAN QUICKLY FLOOD LOW AREAS.

THESE STORMS bCAN ALSO PRODUCE A SMALL TORNADO WITH LITTLE
OR NO ADVANCE WARNING.

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

VAN ETTEN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 3:25 PM ESTSevere Thunderstorm WarningINDPutnam35 min
Jun 30, 3:30 PM ESTSevere Thunderstorm WarningINDClay45 min
Jun 30, 3:52 PM ESTSevere Thunderstorm WarningINDGreene68 min
Jun 30, 4:55 PM ESTSevere Thunderstorm WarningINDMonroe60 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.