Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 95, NWS Indianapolis, IN

June 30, 1986Greene County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 30, 1986, 3:52 PM EST for Greene County, Indiana. It was in force for 68 min.

The area

The counties it named.

The facts

Issued: Jun 30, 1986, 3:52 PM EST (20:52 UTC)
Expired: Jun 30, 1986, 5:00 PM EST
In force: 68 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Greene 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 12:00Z, 8.9 hours before the alert went out and 173 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: 1370 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 1253 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 302052
SVRIND
INC055-302200-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 500 PM EST FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

SOUTHWEST INDIANA...GREENE

AT 345 PM EST...RADAR SHOWED A SEVERE THUNDERSTORM
ENTERING THE NORTHWEST TIP OF GREEN COUNTY...30 MILES SOUTHEAST
OF TERRE HAUTE IN WEST CENTRAL INDIANA.

PEOPLE IN BLOOMFIELD SHOULD SEEK SHELTER IMMEDIATELY.

THIS STORM IS ACCOMPANIED BY INTENSE LIGHTNING AND STRONG GUSTY
WINDS.

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

A SEVERE THUNDERSTORM PRODUCES DAMAGING WINDS IN EXCESS OF
60 MILES AN HOUR...LARGE HAIL AND FREQUENT LIGHTNING.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY FOR
RELAY TO THE NATIONAL WEATHER SERVICE.

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 30, 1:59 PM EST, 1 hour 53 minutes before

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
200 PM EST MON JUN 30 1986

THE SEVERE THUNDERSTORM WARNING FOR JACKSON COUNTY EXPIRED AT 200 PM EST

ONE HALF TO ONE AND ONE HALF INCH HAIL WAS REPORTED AT MILLPORT WHICH IS
10 MILES SOUTH OF BROWNSTOWN. AT 145PM EST...THE THUNDERSTORM WAS IN
NORTHEAST WASHINGTON COUNTY MOVING SOUTHEAST.

OTHER THUNDERSTORMS WERE IN SOUTHERN INDIANA FROM WASHINGTON TO BEDFORD
...FRENCH LICK AND SEYMOUR.

IN THE NORTHWEST...THUNDERSTORMS WERE FROM THE INDIANA STATE LINE AT
DANVILLE ILLINOIS TO WILLIAMSPORT AND LAFAYETTE INDIANA.

STILL MORE THUNDERSTORMS WERE EAST OF INDIANAPOLIS FROM GREENFIELD TO
CONNERSVILLE.

KENYON
AND 1000PM.

AsLL THE PRECIPITATION WAS MOVING A LITTLE SOUTH OF EAST AT 35
MPH.

SOME HEAVY THUNDERSTROMS WILL CONTINUE TO MOVE THROUGH CENTRAL
INDIANA THIS EVENING BUT NO SEVERE WEATHER IS EXPECTED.

HAINES

Local storm report, Jun 30, 2:20 PM EST, 1 hour 32 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
220 PM EST MON JUNE 30 1986

140 PM EST   1 1/2 INCH DIAMETER HAIL REPORETED BY COOPERATIVE
             NATIONAL WEATHER SERVICE OVSERVER AT MILLPORT INDIANA
             WHICH IS 10 MILES SOUTH OF BROWNSTOWN..45 MILES NORTH-
             WEST OF LOUSIVILLE KY.

CURRAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 1:27 PM EST	Severe Thunderstorm Warning	IND	Jackson	33 min
Jun 30, 3:25 PM EST	Severe Thunderstorm Warning	IND	Putnam	35 min
Jun 30, 3:30 PM EST	Severe Thunderstorm Warning	IND	Clay	45 min
Jun 30, 4:55 PM EST	Severe Thunderstorm Warning	IND	Monroe	60 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.