Alert archive / Indiana / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 121, NWS Indianapolis, IN

August 28, 1990Cass County, White County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 28, 1990, 5:24 PM EST for Cass County, White County, Indiana. It was in force for 51 min. 3 reports 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
Aug 28, 1990, 5:24 PM EST (22:24 UTC)
Expired
Aug 28, 1990, 6:15 PM EST
In force
51 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Cass County, IN, White 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
Aug 28, 5:33 PM ESTThunderstorm Wind 0White, IN
Aug 28, 5:52 PM ESTThunderstorm Wind 0Cass, IN
Aug 28, 5:52 PM ESTThunderstorm Wind 0Cass, 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, 10.4 hours before the alert went out and 225 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 1990-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1114 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 1990-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 square meters per square second.1939587897117Sfc1 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
1114 J/kg
Mixed-layer CIN
-266 J/kg
Mixed-layer LCL
1466 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 282224
SVRIND
INC017-181-282315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
524 PM EST TUE AUG 28 1990
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTH CENTRAL INDIANA
          ...CASS
IN NORTHWEST INDIANA
          ...WHITE
 
AT 515 PM SEVERE THUNDERSTORMS WERE MOVING INTO NORTHERN WHITE AND
CASS COUNTIES.
 
AT 510 PM THE JASPER COUNTY SHERIFF REPORTED NICKEL SIZE HAIL WITH
THIS STORM IN NORTHERN JASPER COUNTY NEAR JELLYSTONE PARK. THEY ALSO
REPORTED WINDS ESTIMATED AT 40 TO 50 MILES AN HOUR.
 
ONE OF THESE STORMS WILL PASS NEAR THE TOWN OF MONON WHICH IS 30
MILES NORTH OF LAFAYETTE BY 540 PM AND ANOTHER STORM WILL MOVE NEAR
LOGANSPORT BY 550 PM.

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, Aug 28, 1:55 PM EST, 3 hours 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
 155  PM EST TUE AUG 28 1989

 IN INDIANA SEVERE THUNDERSTORM WATCH NUMBER 692 IS IN EFFECT
 UNTIL 900  PM EST AND INCLUDES THAT PART OF INDIANA...
 EAST OF LINE FROM SOUTH BEND TO 10 MILES SOUTH OF KOKOMO AND NORTH OF
 A LINE FROM 10 MILES SOUTH OF KOKOMO TO WINCHESTER.

 SOME CITIES INCLUDED ARE... KOKOMO...ELKHART...ANGOLA...WARSAW...
 FORT WAYNE...MARION...TIPTON...MUNCIE AND WINCHESTER.

 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.
Special weather statement, Aug 28, 2:00 PM EST, 3 hours 24 minutes before
INZ002-003-005-006-010-282000-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
155  PM EST TUE AUG 28 1990

IN INDIANA SEVERE THUNDERSTORM WATCH NUMBER 692 IS IN EFFECT
UNTIL 900  PM EST AND INCLUDES THAT PART OF INDIANA...
EAST OF LINE FROM SOUTH BEND TO 10 MILES SOUTH OF KOKOMO AND NORTH OF
A LINE FROM 10 MILES SOUTH OF KOKOMO TO WINCHESTER.

SOME CITIES INCLUDED ARE... KOKOMO...ELKHART...ANGOLA...WARSAW...
FORT WAYNE...MARION...TIPTON...MUNCIE AND WINCHESTER.

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.

CORRECTION TO YEAR
Special weather statement, Aug 28, 2:30 PM EST, 2 hours 54 minutes before
INZ001>006-010-282100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
230 PM EST TUE AUG 28 1990

TWO SEVERE THUNDERSTORM WATCHES ARE IN EFFECT FOR NORTHERN INDIANA
THIS AFTERNOON AND EVENING. THE DIVIDING LINE BETWEEN THESE TWO WATCHES
IS FROM SOUTH BEND TO 10 MILES SOUTH KOKOMO. THE WESTERN WATCH IS IN
EFFECT UNTIL 800 PM EST...THE EASTERN WATCH IS IN EFFECT UNTIL 900 PM EST.

AT 225 PM EST RADAR SHOWED THUNDERSTORMS OVER EXTERME NORTHERN INDIANA AND
NORTHERN ILLINOIS.

ONE SEVERE THUNDERSTORM WAS NEAR SOUTH BEND. THE WEATHER SERVICE OFFICE
AT SOUTH BEND HAS ISSUED A SEVERE THUNDERSTORM WARNING FOR SOUTHERN
ST. JOSEPH AND SOUTHERN ELKHART COUNTIES UNTIL 245 PM.

THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 35 MILES AN HOUR.

SOME CITIES INCLUDED ARE... KOKOMO...ELKHART...ANGOLA...WARSAW...
FORT WAYNE...MARION...TIPTON...MUNCIE...WINCHESTER...SOUTH BEND...
ROCHERSTER...LOGANSPORT...VALPARAISO...LAPORTE...MONTICELLO AND
RENSSELAER.

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 STATEMENTSY AND POSSIBLE WARNINGS.

WJG
Special weather statement, Aug 28, 3:27 PM EST, 1 hour 57 minutes before
INZ001>006-010-282200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
320 PM EST TUE AUG 28 1990

TWO SEVERE THUNDERSTORM WATCHES ARE IN EFFECT FOR NORTHERN INDIANA
THIS AFTERNOON AND EVENING. THE DIVIDING LINE BETWEEN THESE TWO WATCHES
IS FROM SOUTH BEND TO 10 MILES SOUTH OF KOKOMO. THE WESTERN WATCH IS IN
EFFECT UNTIL 800 PM EST...THE EASTERN WATCH IS IN EFFECT UNTIL 900 PM EST.

AT 315 PM EST RADAR SHOWED THUNDERSTORMS OVER EXTERME NORTHERN INDIANA
BETWEEN SOUTH BEND AND FORT WAYNE

THE WEATHER SERVICE OFFICIES AT BOTH SOUTH BEND AND FORT WAYNE HAVE
ISSUED SEVERE THUNDERSTORM WARNINGS FOR SOME COUNTIES IN NORTH CENTRAL
AND NORTHEAST INDIANA. THE WARNING FOR SOUTHERN ELKHART COUNTY IS IN
EFFECT UNTIL 330 PM. ANOTHER WARNING IS IN EFFECT UNTIL 330 PM FOR
SOUTHERN LAGRANGE AND NOBLE COUNTIES.

THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 30 TO 35 MILES AN HOUR.

ANOTHER THUNDERSTORM WHICH PRODUCED 1 1/2 HAIL IN ROCKFORD ILLINOIS
WAS CONTINUING TO MOVE EAST SOUTHEAST AND IS EXPECTED TO MOVE
INTO NORTHWEST INDIANA BETWEEN 4 AND 5 PM EST.

SOME CITIES INCLUDED ARE... KOKOMO...ELKHART...ANGOLA...WARSAW...
FORT WAYNE...MARION...TIPTON...MUNCIE...WINCHESTER...SOUTH BEND...
ROCHERSTER...LOGANSPORT...VALPARAISO...LAPORTE...MONTICELLO AND
RENSSELAER.

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.

WJG
Special weather statement, Aug 28, 4:06 PM EST, 1 hour 18 minutes before
INZ001>006-010-282210-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
405 PM EST TUE AUG 28 1990

TWO SEVERE THUNDERSTORM WATCHES CONTINUE IN EFFECT FOR NORTHERN INDIANA
FOR THIS AFTERNOON AND EVENING. THE DIVIDING LINE BETWEEN THESE TWO
WATCHES IS FROM SOUTH BEND TO 10 MILES SOUTH OF KOKOMO. THE WESTERN
WATCH IS IN EFFECT UNTIL 800 PM EST...THE EASTERN WATCH IS IN EFFECT
UNTIL 900 PM EST.

SOME CITIES INCLUDED IN THE WATCH AREAS ARE SOUTH BEND...KOKOMO...
ELKHART...ANGOLA...WARSAW...FORT WAYNE...MUNCIE AND RENSSELAER.

AT 400 PM EST RADAR SHOWED DANGEROUS THUNDERSTORMS 30 MILES SOUTH OF
DOWNTOWN CHICAGO AND OTHERS OVER NORTHEAST INDIANA BETWEEN SOUTH BEND
AND TO THE NORTH OF FORT WAYNE.

THE STORMS WERE MOVING TO THE SOUTHEAST AT 35 MILES AN HOUR.
.
PEOPLE IN THE WATCH AREAS SHOULD KEEP ABREAST OF THE LATEST WEATHER
DEVELOPMENTS AND LISTEN FOR POSSIBLE WARNINGS.
STEIGERWALDT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 2:12 PM ESTSevere Thunderstorm WarningINDElkhart, Saint Joseph33 min
Aug 28, 2:40 PM ESTSevere Thunderstorm WarningINDKosciusko50 min
Aug 28, 2:52 PM ESTSevere Thunderstorm WarningINDElkhart38 min
Aug 28, 3:44 PM ESTSevere Thunderstorm WarningINDElkhart46 min
Aug 28, 4:20 PM ESTSevere Thunderstorm WarningINDJasper, Newton40 min
Aug 28, 4:51 PM ESTTornado WarningINDNewton39 min
Aug 28, 4:58 PM ESTSevere Thunderstorm WarningINDFulton, Pulaski47 min
Aug 28, 5:37 PM ESTSevere Thunderstorm WarningINDLaPorte, Saint Joseph68 min
Aug 28, 5:59 PM ESTSevere Thunderstorm WarningINDCarroll46 min
Aug 28, 6:10 PM ESTSevere Thunderstorm WarningINDHoward35 min
Aug 28, 6:39 PM ESTSevere Thunderstorm WarningINDClinton, Tipton51 min
Aug 28, 6:53 PM ESTSevere Thunderstorm WarningINDHamilton52 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1990Every severe thunderstorm warning in 1990

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.