Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 84, NWS Indianapolis, IN

June 22, 1986Carroll County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 22, 1986, 2:35 PM EST for Carroll 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
Jun 22, 1986, 2:35 PM EST (19:35 UTC)
Expired
Jun 22, 1986, 3:10 PM EST
In force
35 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Carroll 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 22, 2:50 PM ESTThunderstorm Wind 0Carroll, 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, 7.6 hours before the alert went out and 214 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 1986-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 1986-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
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 221936
SVRIND
INC015-222010-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 310 PM EST FOR PEOPLE IN THE FOLLOWING

NORTHWEST INDIANA COUNTY OF SOUTHERN CARROLL

AT 230 PM EST RADAR SHOWED A SEVERE THUNDERSTORM IN NORTHEAST
TIPPECANOE COUNTY MOVING TO THE NORTHEAST AT 35 MILES AN HOUR.

AT 225 PM EST STATE POLICE AT LAFAYETTE REPORTED TREES DOWNED IN
NORTHEAST TIPPECANOE COUNTY.

PEOPLE IN THE TOWNS FLORA AND DEPHI 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 STAT"E POLICE
FOR RELAY TO THE NATIONAL WEATHER SERVICE.

KOLDITZ/RP

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, 1 hour 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

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 5:22 PM ESTSevere Thunderstorm WarningINDParke28 min
Jun 22, 5:31 PM ESTSevere Thunderstorm WarningINDMontgomery29 min
Jun 22, 6:35 PM ESTSevere Thunderstorm WarningINDMarion40 min
Jun 22, 6:49 PM ESTSevere Thunderstorm WarningINDHancock41 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.