Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 129, NWS Indianapolis, IN

July 25, 1986Howard County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 25, 1986, 5:30 PM EST for Howard 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
Jul 25, 1986, 5:30 PM EST (22:30 UTC)
Expired
Jul 25, 1986, 6:00 PM EST
In force
30 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Howard 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
Jul 25, 5:55 PM ESTThunderstorm Wind 0Howard, 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, 10.5 hours before the alert went out and 175 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 1986-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 100 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 1986-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939Sfc1 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
100 J/kg
Mixed-layer CIN
-172 J/kg
Mixed-layer LCL
1211 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
59 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 252233
SVRIND
INC067-252300-

BULLETIN...IMMEDIATE BROADCAST REQUESTED..CORRECTION
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
530 PM EST FRI JUL 25 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  600  PM EST FOR PEOPLE IN

.....HOWARD COUNTY.....OF CENTRAL INDIANA.

AT 515 PM THE HOWARD COUNTY SHERIFF REPORTED 1 INCH HAIL 3 MILES NORTH
OF GREENTOWN..8 MILES NORTH OF KOKOMO.

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 THE POLICE..SHERIFF..OR STATE POLICE
FOR RELAY TO THE NATIONAL WEATHER SERVICE.

GERY

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, Jul 25, 3:51 PM EST, 1 hour 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
349 PM EST FRI JUL 25 1986

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A LARGE PART OF NORTHERN
AND CENTRAL INDIANA UNTIL 10 PM EST.

THE WEATHER SERVICE OFFICE IN SOUTH BEND ISSUED A SEVERE THUNDERSTORM
WARNING UNTIL 415 FOR A STORM MOVING THROUGH ELKHART COUNTY IN EXTREME
NORTHERN INDIANA.

ANOTHER STRONG THUNDERSTORM WAS NEAR KNOX...ABOUT 30 MILES SOUTHEAST
OF SOUTH BEND. THE STORMS WERE MOVING EAST AT 15 MPH.

THE THUNDERSTORMS WERE DEVELOPING AS A COOL FRONT FROM LOWER MICHIGAN
TO NORTHWEST INDIANA TO CENTRAL ILLINOIS PUSHED SOUTHEASTWARD INTO
THE HOT HUMID AIRMASS WHICH COVERED MUCH OF INDIANA. THUNDERSTORMS
WILL CONTINUE TO DEVELOP AND MOVE EAST ALONG THE FRONT WHILE THE FRONT
DRIFTS SOUTH THROUGH THE HOOSIER STATE.

BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED TO
THIS SOURCE FOR LATER STATEMENTS AND POSSIBLE WARNINGS. USE COMMON
SENSE WHIL]E OUTDOORS THIS AFTERNOON AND EVENING.

ALLSOPP
Special weather statement, Jul 25, 4:47 PM EST, 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
446 PM EST FRI JUL 25 1986

A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR A LARGE PART OF
NORTHERN AND CENTRAL INDIANA UNTIL 10 PM EST.

AT 440 PM EST RADAR SHOWED SHOWERS AND THUNDERSTORMS DEVELOPING
RAPIDLY OVER WEST CENTRAL AND CENTRAL INDIANA.

THE LEADING EDGE OF THE STORMS WAS FROM FORT WAYNE THROUGH GRISSOM AIR
FORCE BASE TO ABOUT 10 MILES NORTH OF TERRE HAUTE.

THE STRONGEST STORM WAS ABOUT 10 MILES NORTHWEST OF KOKOMO. THIS
STORM WILL PRODUCE VERY HEAVY RAINS AND STRONG GUSTY WINDS AS
IT MOVES ACROSS HOWARD COUNTY AND SOUTHERN MIAMI COUNTY BETWEEN
GRISSOM AIR FORCE BASE AND KOKOMO.

OTHER THUNDERSTORMS WERE NEAR WINAMAC..ROCHESTER...BROOKSTON AND
MONTICELLO.

ALL OF THE STORMS WERE MOVING EAST AT 20 TO 25 MILES AN HOUR.

BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED TO
THIS SOURCE FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

GERY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 3:19 PM ESTSevere Thunderstorm WarningINDElkhart56 min
Jul 25, 5:00 PM ESTSevere Thunderstorm WarningINDHoward30 min
Jul 25, 5:35 PM ESTSevere Thunderstorm WarningINDFountain, Montgomery35 min
Jul 25, 6:05 PM ESTSevere Thunderstorm WarningINDParke30 min
Jul 25, 6:10 PM ESTSevere Thunderstorm WarningINDHoward35 min
Jul 25, 6:25 PM ESTSevere Thunderstorm WarningINDBoone, Clinton35 min
Jul 25, 6:45 PM ESTSevere Thunderstorm WarningINDParke45 min
Jul 25, 6:55 PM ESTSevere Thunderstorm WarningINDHendricks35 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.