Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 22, NWS Indianapolis, IN

May 6, 1986Carroll County, Cass County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 6, 1986, 5:13 PM EST for Carroll County, Cass County, Indiana. It was in force for 32 min. 3 reports 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: May 6, 1986, 5:13 PM EST (22:13 UTC)
Expired: May 6, 1986, 5:45 PM EST
In force: 32 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

Counties Carroll County, IN, Cass 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
May 6, 5:15 PM EST	Thunderstorm Wind 0	Cass, IN
May 6, 5:19 PM EST	Thunderstorm Wind 0	Cass, IN
May 6, 5:25 PM EST	Thunderstorm Wind 0	Carroll, 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 210 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1560 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 212 m²/s²
0-3 km storm-relative helicity: 200 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 062215
SVRIND
INC015-017-062245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
513 PM EST TUE MAY 6 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 545 PM EST FOR PEOPLE IN CARROLL AND
CASS COUNTIES OF NORTH CENTRAL INDIANA.

AT 510 PM EST...RADAR SHOWED A SEVERE THUNDERSTORM 3 MILES SOUTHWEST
OF LOGANSPORT IN CARROLL COUNTY AND ANOTHER IN CASS COUNTY. THE STORMS
WERE MOVING NORTHEAST AT 30 MPH. THESE STORMS MAY PRODUCE STRONG WINDS
AND LARGE HAIL AS WELL AS INTENSE LIGHTNING.

SUCH STORMS COULD ALSO PRODUCE A SMALL TORNADO WITH LITTLE OR NO
ADVANCE WARNING.

IF SEVERE WEATHER THREATENS TAKE COVER IMMEDIATELY.
DD

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, May 6, 11:20 AM EST, 5 hours 53 minutes before

INDIANA WEATHER SUMMARY AND SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
520 PM EST TUE MAY 6 1986

...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTHERN INDIANA TIL
   800 PM EST...

A SEVERE THUNDERSTORM WARNING WILL REMAIN IN EFFECT FOR TIPPECANOE
COUNTY UNTIL 525 PM EST. A SECOND WARNING IS IN EFFECT FOR BOTH CASS AND
CARROLL COUNTIES UNTIL 545 PM.

A LINE OF STRONG THUNDERSTORMS WAS MOVING EAST ACROSS NORTHERN INDIANA
LATE THIS AFTERNOON.

AN AMATEUR RADIO OPERATOR REPORTED 70 MPH WINDS AT MONTICELLO ALONG WITH
PEA SIZE HAIL NEAR 436 PM EST. WINDS OF 50 MPH WERE REPORTED AT LOWELL
IN EXTREME NORTHWEST INDIANA AROUND 320 PM EST BY STATE POLICE.

RADAR AT 510 PM EST...SHOWED THAT A LINE OF STRONG THUNDERSTORMS
EXTENDED FROM NEAR CRAWFORDSVILLE..ACROSS LAFAYTETTE TO NORTH OF FORT
WAYNE.

THESE THUNDERSTORMS WERE MOVING EAST AT 40 MPH.

THE THUNDERSTORMS ARE BEING PRODUCED BY A COLD FRONT OVER NORTHERN
ILLINOIS. THIS FRONT WILL MOVE INTO NORTHERN INDIANA LATE TONIGHT AND
BECOME STATIONARY ACROSS CENTRAL INDIANA ON WEDNESDAY.

MOST OF THE THUNDERSTORMS WILL OCCUR NEAR AND JUST AHEAD OF THIS FRONT
TONIGHT.

TEMPERATURES AS OF 500 PM EST RANGED FROM 66 DEGREES AT SOUTH BEND TO 84
DEGREES AT EVANSVILLE.

HENDRICKSON/DECAIRE

Special weather statement, May 6, 3:54 PM EST, 1 hour 19 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
355 PM EST TUE MAY 6 1986

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHERN INDIANA
NORTH OF A LINE FROM NEAR LAFAYETTE TO NEAR FORT WAYNE UNTIL
8 PM EST.

GOLF BALL SIZE HAIL WAS REPORTED NEAR MICHIGAN CITY AROUND 330 PM
BY THE INDIANA STATE POLICE.

VERY INTENSE THUNDERSTORMS...CONTAINING HEAVY RAIN...AND POSSIBLE
STRONG WINDS AND LARGE HAIL WERE FROM WEST OF RENNSELAER SO8UTHWEST
INTO ILLINOIS AROUND CHAMGAIGN AND URBANA.

THESE STORMS ARE MOVING TO THE EAST NORTHEAST AT AROUND 30 MPH.

STSY TUNED FOR LATER INFORMATION.

CURRAN

Special weather statement, May 6, 4:43 PM EST, 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
440 PM EST TUE MAY 6 1986

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHERN INDIANA
NORTH OF A LINE FROM NEAR LAFAYETTE TO NEAR FORT WAYNE UNTIL
8 PM EST.

A LINE OF THUNDERSTORMS EXTENDED ACROSS NORTHERN INDIANA FROM
KENDALLVILLE IN NOBLE COUNTY THROUGH WINAMAC AND MONON TO NEAR
WILLIAMSPORT IN WARREN COUNTY AT 430 PM.

THE STORMS WERE PRODUCING HEAVY RAIN AND PEA SIZE HAIL AT SOME
LOCATIONS. SMALL HAIL WAS REPORTED BY THE STATE POLICE IN SOUTHEAST
JASPER COUNTY AND BY THE CIVIL DEFENSE IN BENTON COUNTY NEAR FOWLER.
PEA SIZE HAIL WAS ALSO REPORTED AT MONTICELLO AND REYNOLDS.

JUST EAST OF REYNOLDS ON U.S. 24 A BARN WAS DESTROYED BY STRONG WINDS.

THE THUNDERSTORMS WERE MOVING NORTHEAST AT AROUND 30 MPH.

STAY TUNED FOR LATER INFORMATION.

DD

Special weather statement, May 6, 4:55 PM EST, 18 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
450 PM EST TUE MAY 6 1986

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHERN INDIANA
NORTH OF A LINE FROM NEAR LAFAYETTE TO NEAR FORT WAYNE UNTIL
8 PM EST.

A LINE OF THUNDERSTORMS EXTENDED ACROSS NORTHERN INDIANA FROM
THE NORTHEAST CORNER OF THE STATE TO WARREN COUNTY IN THE WEST.
HEAVY RAIN AND SMALL HAIL OCCURRED AT SEVERAL LOCATIONS WHILE
ONE STORM JUST EAST OF REYNOLDS DESTROYED A BARN.

RADAR SHOWED THAT THE STORM NEAR REYNOLDS DECREASED RAPIDLY IN
INTENSITY AFTER DESTROYING THE BARN.

THE STORMS WERE MOVING NORTHEAST AT 30 MPH AND WILL MOVE INTO
ATTICA AND MONTICELLO BY 5 PM AND INTO THE LAFAYETTE AREA SHORTLY
AFTER 5 PM EST.

REPORT SEVERE WEATHER TO THE LOCAL POLICE OR SHERIFF. KEEP TUNED
TO THIS STATION FOR LATER INFORMATION.

DD

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 3:49 PM EST	Severe Thunderstorm Warning	IND	LaPorte	31 min
May 6, 4:44 PM EST	Severe Thunderstorm Warning	IND	Marshall	31 min
May 6, 5:00 PM EST	Severe Thunderstorm Warning	IND	Tippecanoe	25 min
May 6, 5:33 PM EST	Severe Thunderstorm Warning	IND	Miami	27 min
May 6, 5:55 PM EST	Severe Thunderstorm Warning	IND	Howard	25 min
May 6, 6:15 PM EST	Severe Thunderstorm Warning	IND	Hamilton	25 min
May 6, 6:55 PM EST	Severe Thunderstorm Warning	IND	Benton	25 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.