Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 62, NWS Indianapolis, IN

June 10, 1986Saint Joseph County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 10, 1986, 8:20 PM EST for Saint Joseph County, Indiana. It was in force for 30 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 10, 1986, 8:20 PM EST (01:20 UTC)
Expired: Jun 10, 1986, 8:50 PM EST
In force: 30 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Saint Joseph 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 10, 8:25 PM EST	Thunderstorm Wind 0	St. Joseph, 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 00:00Z, 1.3 hours before the alert went out and 260 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: 1689 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 776 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 139 m²/s²
0-3 km storm-relative helicity: 205 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSBN 110125
SVRSBN
INC141-110140-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SOUTH BEND IN
820 PM EST TUE JUN 10 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 850 PM EST FOR PEOPLE IN THE FOLLOWING
COUNTY OF

NORTH CENTRAL INDIANA...NORTHERN ST JOSEPH

    AT 815 PM EST RADAR INDICATED A SEVERE THUNDERSTORM IN NORTHERN
    ST JOSEPH COUNTY JUST NORTH OF SOUTH BEND.

    THIS THUNDERSTORM WAS MOVING TO THE EAST AT 35 MPH.

THIS STORM IS CAUSING INTENSE LIGHTNING AND STRONG GUSTY WINDS. YOU
SHOULD SEEK INDOOR SHELTER AND STAY AWAY FROM PLUMBING AND APPLIANCES
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.

REPORT SEVERE WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY AND ASK
THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SER&VICE.

ARNOLD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 5:41 PM EST	Severe Thunderstorm Warning	IND	Boone, Hendricks	49 min
Jun 11, 5:55 PM EST	Severe Thunderstorm Warning	IND	Hendricks	35 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.