Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 2, NWS Northern Indiana

April 25, 1986Noble County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Apr 25, 1986, 5:34 PM EST for Noble County, Indiana. It was in force for 24 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, 5:34 PM EST (22:34 UTC)
Expired
Apr 25, 1986, 5:58 PM EST
In force
24 min
Issued by
NWS Northern Indiana
Area
Whole counties

County Noble 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
Apr 25, 5:40 PM ESTHail 0.75Noble, 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, 10.6 hours before the alert went out and 196 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 1986-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1986-04-25The 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
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 252234
SVRFWA
INC113-183-252315-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 615 PM EST FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

NORTHEAST INDIANA...SOUTHERN NOBLE AND WHITLEY

AT 530 PM EST RADAR INDICATED A LINE OF THUNDERSTORMS
FROM 10 MILES SOUTHWEST OF ALBION TO 10 MILES SOUTHWEST
OF COLUMBIA CITY IN NORTHEAST INDIANA MOVING TOWARD THE
EAST AT 25 MPH.

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 AREUA. 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, 1 hour 18 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, 1 hour 1 minute 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, 58 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, 41 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, 21 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.

IssuedProductOfficeCountiesLasted
Apr 25, 5:34 PM ESTSevere Thunderstorm WarningIWXWhitley41 min
Apr 25, 6:18 PM ESTSevere Thunderstorm WarningIWXWabash27 min
Apr 25, 6:48 PM ESTSevere Thunderstorm WarningIWXWabash42 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.