Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 87, NWS Indianapolis, IN

June 22, 1986Marion County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 22, 1986, 6:35 PM EST for Marion County, Indiana. It was in force for 40 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 22, 1986, 6:35 PM EST (23:35 UTC)
Expired: Jun 22, 1986, 7:15 PM EST
In force: 40 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County 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

Time	Report	Where	Remark
Jun 22, 7:00 PM EST	Thunderstorm Wind 0	Marion, 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, 11.6 hours before the alert went out and 166 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: 1 J/kg
Mixed-layer CIN: -190 J/kg
Mixed-layer LCL: 1263 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 78 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 222337 RRA
SVRIND
INC097-230015-

BULLETIN...IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
635 PM EST SUN JUN 22 1986


THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 715 PM EST FOR PEOPLE IN THE FOLLOWING

CENTRAL INDIANA COUNTY   MARION HAMILTON

AT 630 PM RADAR SHOWED A SEVERE THUNDERSTORM IN NORTHWEST OF
MARION COUNTY..THIS STORM WAS MOVING EAST AT 30 MILES AN HOUR

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

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

THESE STORMS CAN 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.

GERY

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 22, 1:30 PM EST, 5 hours 5 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
130 PM EST SUN JUN 22 1986

...STRONG THUNDERSTORMS DEVELOPING OVER PARTS OF NORTHWEST INDIANA...

AT 120 PM EST INDIANAPOLIS RADAR DETECTED AN AREA OF SHOWERS AND
THUNDERSTORMS OVER PARTS OF NORTHWEST INDIANA AND EXTREME EAST
CENTRAL ILLINOIS.

THE AREA OF SHOWERS AND THUNDERSTORMS EXTENDED FROM NEAR SOUTH BEND
TO ABOUT 20 MILES NORTH OF LAFAYETTE TO 20 MILES NORTHEAST OF
CHAMPAIGN ILLINOIS.

THE STRONGEST THUNDERSTORMS WERE LOCATED ABOUT 20 MILES NORTH OF
LAFAYETTE AND OVER EXTREME NORTHERN VERMILLION COUNTY ILLINOIS..ABOUT
45 MILES WEST NORTHWEST OF LAFAYETTE.

GUSTY SURFACE WINDS..VIVID LIGHTNING AND HEAVY DOWNPOURS WILL ACCOMPANY
SOME OF THE HEAVIER STORMS.
.
THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 30 MILES
AN HOUR.

PRZYBYLINSKI

Special weather statement, Jun 22, 3:22 PM EST, 3 hours 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
320 PM EST SUN JUN 22 1986

THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CARROLL COUNTY HAS
EXPIRED AT 310 PM EST THIS SUNDAY AFTERNOON.

THE LINE OF STRONG THUNDERSTORMS THAT MOVED THROUGH TIPPECANOE AND
SOUTHERN CARROLL COUNTY AROUND 230 PM EST HAS DECREASED IN INTENSITY
AS IT ENTERED HOWARD AND CLINTON COUNTY AT 315 PM EST.

HOWEVER..THE ISOLATED SEVERE THUNDERSTORM TH<AT DEVELOPED AT 225 PM EST
IN TIPPECANOE COUNTY DOWNED SEVERAL TREES AND TOOK OFF THE ROOF OF A
SHED BETWEEN THE TOWNS OF BATTLE GROUND AND AMERICUS NORTH OF STATE
ROAD 25.

KOLDITZ

Local storm report, Jun 22, 5:18 PM EST, 1 hour 17 minutes before

PRELIMINARY STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
515 PM EST SUN JUNE 22 1986

225 PM EST   SEVERAL LARGE TREES WERE UPROOTED OVER NORTHERN
             TIPPECANOE COUNTY NEAR THE TOWN OF ASHE GROVE.
             REPORTED BY TIPPECANOE COUNTY SHERIFF.

230 PM -
235 PM EST   SEVERAL LARGE TREES WERE UPROOTED NEAR BATTLE GROUND
             AND AMERICUS IN NORTHEAST TIPPECANOE COUNTY. THE ROOF
             OF ONE LARGE SHED WAS UPLIFTED NEAR BATTLE GROUND.
             REPORTED BY TIPPECANOE COUNTY SHERIFF AND INDIANA
             STATE POLICE..LAFAYETTE.

240 PM EST   SEVERAL TREES WERE UPROOTED NEAR RADNOR BLOCKING
             INDIANA SR 39 IN SOUTHWEST CARROLL COUNTY. TREES
             ALSO SNAPPED POWER LINES. REPORTED BY CARROLL
             COUNTY SHERIFF.
.
250 PM -
255 PM EST   SEVERAL TREES WERE UPROOTED ABOUT 2 TO 3 MILES WEST
             TO FLORA IN CENTRAL CARROLL COUNTY. TREES SNAPPED
             POWER LINES. REPORTED BY CARROLL COUNTY SHERIFF.

255 PM EST   A FEW LARGE TREES WERE DOWNED NEAR CUTLER INDIANA
             IN SOUTHERN CARROLL COUNTY. REPORTED BY CARROLL COUNTY
             SHERIFF.

PRZYBYLINSKI/KOLDITZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 2:35 PM EST	Severe Thunderstorm Warning	IND	Carroll	35 min
Jun 22, 5:22 PM EST	Severe Thunderstorm Warning	IND	Parke	28 min
Jun 22, 5:31 PM EST	Severe Thunderstorm Warning	IND	Montgomery	29 min
Jun 22, 6:49 PM EST	Severe Thunderstorm Warning	IND	Hancock	41 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.