Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 4, NWS Northern Indiana

April 25, 1986Wabash County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Apr 25, 1986, 6:48 PM EST for Wabash County, Indiana. It was in force for 42 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: Apr 25, 1986, 6:48 PM EST (23:48 UTC)
Expired: Apr 25, 1986, 7:30 PM EST
In force: 42 min
Issued by: NWS Northern Indiana
Area: Whole counties

County Wabash 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
Apr 25, 6:55 PM EST	Hail 0.75	Wabash, 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, 11.8 hours before the alert went out and 171 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: 1819 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 65 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFWA 252348
SVRFWA
INC169-260030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WAYNE IN
648 PM EST FRI APR 25 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 730 PM EST FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

NORTH CENTRAL INDIANA...NORTHERN WABASH

AT 643 PM EST RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES
NORTH OF WABASH INDIANA MOVING TOWARD THE EAST AT 10 MPH.

THIS SLOW MOVING THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS
 AND UNDERPASSES.

REMEMBER A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WINDS IN EXCESS
OF 60 MPH..LARGE HAIL..DEADLY LIGHTNING..AND HEAVY RAIN THAT CAN
QUICKLY FLOOD A LOW LYING AREA. REPORT SEVERE WEATHER TO THE NEAREST
LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
 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, Apr 25, 4:16 PM EST, 2 hours 32 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
415 PM EST FRI APR 25 1986

AT 410 PM EST RADAR INDICATED A THUNDERSTORM PRODUCING VERY HEAVY
RAINFALL AND DANGEROUS LIGHTNING 15 MILES SOUTH OF SOUTH BEND..OR
ABOUT 5 MILES NORTH OF PLYMOUTH INDIANA.

THIS IS WITHIN AN AREA OF THUNDERSHOWER ACTIVITY LOCATED OVER SOUTHERN
ST. JOSEPH COUNTY AND NORTHERN MARSHALL COUNTY.

OTHER THUNDERSTORMS HAVE DEVELOPED JUST NORTHEAST OF MICHIGAN C!ITY
INDIANA ALONG THE MICHIGAN AND INDIANA BORDER.

THE THUNDERSTORMS WERE MOVING EAST AROUND 30 MILES AN HOUR.

IF THREATENING WEATHER IS SIGHTED..MOVE TO A SAFE PLACE IMMEDIATELY.
ARNOLD

Special weather statement, Apr 25, 4:33 PM EST, 2 hours 15 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WAYNE IN
430 PM EST FRI APR 25 1986

...THUNDERSTORM MOVING INTO NORTHEAST INDIANA...

AT 428 PM EST A THUNDERSTORM WITH HEAVY RAINS WAS OCCURRING /15 MILES
NORTHWEST OF COLUMBIA CITY IN NORTHEAST INDIANA. THIS THUNDERSTORM
WAS MOVING EAST AT 25 MPH AND CONTAINED POSSIBLE GUSTY WINDS.

BY 530 PM EST THIS THUNDERSTORM WILL MOVE TO A POSITION JUST NORTHWEST
OF FORT WAYNE.

MARSHALL

Special weather statement, Apr 25, 4:36 PM EST, 2 hours 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
430 PM EST FRI APR 25 1986

...THUNDERSTORMS IN NORTH CENTRAL INDIANA...

AT 430 PM EST...WEATHER RADAR INDICATED A THUNDERSTORM PRODUCING VERY
HEAVY RAINFALL..AND POSSIBLY SOME SMALL HAIL 5 MILES NORTHEAST OF
PLYMOUTH INDIANA..18 MILES SOUTH SOUTHEAST OF SOUTH BEND INDIANA.

THIS HEAVY THUNDERSTORM WAS PART OF AN AREA OF SHOWERS AND THUNDERSTORMS
ABOUT 15 MILES WIDE THAT EXTENDED FROM JUST NORTH OF PLYMOUTH INDIANA
TO JUST SOUTH OF WARSAW INDIANA.

THE THUNDERSTORMS WERE MOVING EAST AROUND 25 MILES AN HOUR AND WILL
MOVE INTO NORTHERN KOSCIUSKO COUNTY INDIANA..JUST SOUTH OF NAPANEE
BY 5 PM EST.

IF THREATENING WEATHER COND0ITIONS ARE SIGHTED..MOVE TO A SAFE PLACE.
MOWERY

Special weather statement, Apr 25, 4:53 PM EST, 1 hour 55 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WAYNE IN
450 PM EST FRI APR 25 1986

...STRONG THUNDERSTORMS MOVING INTO NORTHEAST INDIANA...

AT 448 PM EST STRONG THUNDERSTORMS EXTENDED FROM 25 MILES NORTHWEST OF
COLUMBIA CITY TO 10 MILES WEST OF COLUMBIA CITY IN NORTHEAST INDIANA.
THESE THUNDERSTORMS WERE MOVING EAST AT 25 MPH AND CONTAINED SMALL
HAIL...VERY HEAVY RAINS...AND STRONG GUSTY WINDS.

BY 545 PM EST THESE THUNDERSTORMS WILL E8XTEND FROM 5 MILES SOUTHWEST
OF AUBURN TO 5 MILES WEST OF FORT WAYNE.

MARSHALL

Local storm report, Apr 25, 5:13 PM EST, 1 hour 35 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE SOUTH BEND IN
513 PM EST FRI APR 25 1985

TIME      EVENT

1707E     1 1/2 INCH DIAMETER HAIL REPORTED AT ETNA GREEN INDIANA
          IN NORTHWEST KOSCIUSKO COUNTYC.  REPORTED BY KOSCUISKO
          COUNTY SHERIFF DEPT.
MOWERY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 5:34 PM EST	Severe Thunderstorm Warning	IWX	Whitley	41 min
Apr 25, 5:34 PM EST	Severe Thunderstorm Warning	IWX	Noble	24 min
Apr 25, 6:18 PM EST	Severe Thunderstorm Warning	IWX	Wabash	27 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.