Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 13, NWS Northern Indiana

June 16, 1986Grant County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 16, 1986, 3:49 PM EST for Grant County, Indiana. It was in force for 26 min.

The area

The counties it named.

The facts

Issued
Jun 16, 1986, 3:49 PM EST (20:49 UTC)
Expired
Jun 16, 1986, 4:15 PM EST
In force
26 min
Issued by
NWS Northern Indiana
Area
Whole counties

County Grant 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

Dayton/James M C, OH (KDAY), launched 12:00Z, 8.8 hours before the alert went out and 141 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 1986-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 507 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 1986-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 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
507 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1056 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
100 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 KFWA 162049
SVRFWA
INC053-009-162130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WAYNE IN
349 PM EST MON JUN 16 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 430 PM EST FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

EAST CENTRAL INDIANA...EASTERN GRANT AND BLACKFORD

AT 344 M EST RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES
SOUTHEAST OF MARION INDIANA MOVING TOWARD THE SOUTHEAST AT
25 MPH.

THIS THUNDERSTORM WILL LIKELY PRODUCE WINDS IN EXCESS OF 60 MILES AN
HOUR AND HAIL 3/4-INCH OR LARGER IN DIAMETER.

REMEMBER THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH
LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT.

 MARSHALL

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 16, 2:46 PM EST, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WAYNE IN
245 PM EST MON JUN 16 1986

...A TORNADO WATCH IS IN EFFECT FOR A LARGE PORTION OF NORTHEAST
INDIANA UNTIL 730 PM EST...

AT 243 PM EST A STRONG THUNDERSTORM WAS OCCURRING 10 MILE SOUTHEAST
OF FORT WAYNE NEAR TILLMAN IN NORTHEAST INDIANA.

THIS THUNDERSTORM WAS MOVING EAST AT 30 MPH AND CONTAINED SMALL HAIL..
DANGEROUS LIGHTNING..VERY HEAVY RAINS..AND STRONG GUSTY WINDS.

THIS THUNDERSTORM WILL MOVE INTO OHIO BY 3 PM EST.

MARSHALL
Special weather statement, Jun 16, 3:27 PM EST, 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WAYNE IN
325 PM EST MON JUN 16 1986

...THE TORNADO WATCH WHICH WAS IN EFFECT FOR NORTHEAST INDIANA UNTIL
730 PM EST HAS BEEN CANCELLED...

AT 320 PM EST A LINE OF STRONG THUNDERSTORMS EXTENDED FROM 25 MILES
SOUTHEAST OF FORT WAYNE TO 15 MILES SOUTH OF FORT WAYNE NEAR BLUFFTON
TO 15 MILES WEST OF MARION IN NORTHEAST INDIANA.

THIS LINE WAS MOVING SOUTHEAST AT 20 MPH AND CONTAINED VERY HEAVY RAINS..
DANGEROUS LIGHTNING..SMALL HAIL..AND STRONG GUSTY WINDS.

BY 425 PM EST THIS LINE WILL EXTEND FROM 20 MILES SOUTHWEST OF MARION
TO HARTFORD CITY TO 15 MILES NORTHEAST OF PORTLAND.

MARSHALL

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 3:49 PM ESTSevere Thunderstorm WarningIWXBlackford41 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; the sounding from the Mesonet's radiosonde archive.