Alert archive / Indiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 26, NWS Indianapolis, IN

June 17, 1992LaPorte County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 17, 1992, 5:20 PM CDT for LaPorte County, Indiana. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jun 17, 1992, 5:20 PM CDT (22:20 UTC)
Expired
Jun 17, 1992, 6:00 PM CDT
In force
40 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County LaPorte County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 10.3 hours before the alert went out and 282 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 1992-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1538 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 1992-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
1538 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
809 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSBN 172222
SVRSBN
INC091-172300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SOUTH BEND IN
520 PM EST (520 PM CDT) WED JUN 17 1992
 
THE NATIONAL WEATHER SERVICE IN SOUTH BEND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM EST (600 PM CDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL INDIANA
 
   ...LAPORTE COUNTY
 
AT 5 20 PM EST...RADAR INDICATED SEVERE THUNDERSTORMS NEAR MICHIGAN CITY
AND LAPORTE INDIANA.
 
THE STORMS WERE MOVING NORTHEAST AT 25 MPH.
 
TOWNS IN THE PATH OF THESE STORMS ARE MICHIGAN CITY...LAPORTE...AND
WESTVILLE.
 
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
MOWERY

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 17, 2:38 PM CDT, 2 hours 42 minutes before
INZALL-180300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
237 PM  EST WED JUN 17 1992

IN INDIANA THIS .......TORNADO.......  WATCH IS IN EFFECT
UNTIL 1000 PM EST AND INCLUDES THAT PART OF INDIANA...
NORTH AND WEST OF A LINE FROM 10 MILES NORTHWEST OF TERRE HAUTE
INDIANA...TO 20 MILES NORTHEAST OF TERRE HAUTE...TO 5 MILES NORTH OF
FORT WAYNE INDIANA.

SOME CITIES INCLUDED ARE... SOUTH BEND...LAFAYETTE...KOKOMO...
AND ELKHART.

REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE
WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.

ELSON
Special weather statement, Jun 17, 3:41 PM CDT, 1 hour 39 minutes before
INZALL-180300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
345 PM EST WED JUN 17 1992

A TORNADO WATCH IS IN EFFECT FOR NORTH AND NORTHWEST INDIANA
UNTIL 10 PM EST. THE WATCH INCLUDES THAT PART OF INDIANA...
NORTH AND WEST OF A LINE FROM 10 MILES NORTHWEST OF TERRE HAUTE
INDIANA...TO 20 MILES NORTHEAST OF TERRE HAUTE...TO 5 MILES NORTH OF
FORT WAYNE INDIANA.

SOME CITIES INCLUDED ARE... SOUTH BEND...LAFAYETTE...AND KOKOMO.

AT 340 PM EST SEVERE THUNDERSTORMS WERE OVER SOUTHERN LAKE MICHIGAN
AND NORTHEASTERN ILLINOIS MOVING NORTHEAST AT 45 MPH. THESE STORMS
WILL ENTER THE NORTHWEST CORNER OF INDIANA BY 400 PM EST AND INTO THE
SOUTH BEND AREA BY 500 PM EST.

REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE
WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN
FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

RPG
Special weather statement, Jun 17, 4:37 PM CDT, 43 minutes before
INZALL-172300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
437 PM EST WED JUN 17 1992

...TORNADO WATCH IS IN EFFECT FOR MUCH OF NORTH AND WEST CENTRAL
INDIANA UNTIL 10 PM EST THIS EVENING...

AT 430 PM EST A LINE OF VERY STRONG THUNDERSTORMS EXTENDED FROM THE
NORTHWEST CORNER OF INDIANA...SOUTHWEST INTO CENTRAL INDIANA.

STRONG THUNDERSTORMS WILL MOVE INTO NEWTON COUNTY OF NORTHWEST
INDIANA...60 MILES NORTHWEST OF LAFAYETYTE...BEFORE 5 PM EST.
THESE STORMS WILL LIKELY CONTAIN STRONG GUSTY WINDS...HEAVY RAIN...
AND HAIL.  THE STORMS WERE MOVING NORTHEAST AT 40 MPH.

ELSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 4:34 PM CDTSevere Thunderstorm WarningINDLaPorte41 min
Jun 17, 5:09 PM CDTSevere Thunderstorm WarningINDSaint Joseph, Starke51 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1992Every severe thunderstorm warning in 1992

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.