Alert archive / Indiana / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 164, NWS Indianapolis, IN

September 14, 1990Miami County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Sep 14, 1990, 11:56 AM EST for Miami County, Indiana. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
Sep 14, 1990, 11:56 AM EST (16:56 UTC)
Expired
Sep 14, 1990, 12:30 PM EST
In force
34 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Miami County, IN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 4.9 hours before the alert went out and 184 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 1990-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 255 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 1990-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
255 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
556 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
83 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 141657
SVRIND
INC103-141730-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1156 AM EST FRI SEP 14 1990
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTH CENTRAL INDIANA
          ...SOUTHERN MIAMI
 
NATIONAL WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM TEN MILES
NORTH OF KOKOMO MOVING EAST AT 35 MILES PER HOUR TOWARD THE TOWNS OF
NORTH GROVE AND AMBOY. THE STORM WILL MOVE THROUGH THOSE TOWNS BY
1215 PM EST.
 
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.
 
MPD

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, Sep 14, 10:05 AM EST, 1 hour 51 minutes before
INZ001>008-141600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1005 AM EST FRI SEP 14 1990

A TORNADO WATCH IS IN EFFECT UNTIL 4 PM EST FOR THAT PART OF INDIANA
NORTH OF A LINE FROM TEN MILES NORTH OF TERRE HAUTE TO FORT WAYNE.

AT 957 AM EST...A LINE OF STRONG THUNDERSTORMS WAS FROM NEAR SOUTH BEND
TO NEAR DANVILLE ILLINOIS. AS THAT LINE MOVED THROUGH CHICAGO IT
PRODUCED WIND GUSTS APPROACHING 45 MILES PER HOUR. THE THUNDERSTORMS
ARE EXPECTED TO STRENGTHEN AS THEY MOVE THROUGH NORTHERN AND CENTRAL
INDIANA.

THEY ARE MOVING EAST AT CLOSE TO 35 MILES PER HOUR. THEY WILL BE FROM
NEAR ELKHART TO LAFAYETTE TO ABOUT 15 MILES EAST OF DANVILLE BY 11 AM.

PEOPLE IN THE PATH OF THESE STORMS SHOULD BE PREPARED FOR THE
POSSIBILITY OF DAMAGING WINDS AS WELL AS LARGE HAIL. REMEMBER...A
TORNADO WATCH IS IN EFFECT FOR AREAS IN THE PATH OF THESE STORMS.
.
MPD
Special weather statement, Sep 14, 10:36 AM EST, 1 hour 20 minutes before
INZ001>008-141630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1035 AM EST FRI SEP 14 1990

AT 1020 AM EST...A LINE OF STRONG THUNDERSTORMS WAS FROM SOUTH BEND
TO DANVILLE ILLINOIS.

THE STRONGEST STORMS WERE FROM 10 MILES NORTH OF LAYAYETTE TO
SOUTH BEND.

PERSONS IN THE PATH OF THESE STORMS SHOULD BE PREPARED FOR THE
POSSIBILITY OF DAMAGING WINDS AS WELL AS LARGE HAIL. REMEMBER...A
TORNADO WATCH IS IN EFFECT FOR AREAS IN THE PATH OF THESE STORMS.

THESE STORMS WERE MOVING EAST AT 35 MILES AN HOURS AND WILL MOVE INTO
THE AREA AROUND LAYAYETTE...MONTICELLO AND LOGANSPORT BY 11 AM EST.

A TORNADO WATCH IS IN EFFECT UNTIL 4 PM EST FOR THAT PART OF INDIANA
NORTH OF A LINE FROM TEN MILES NORTH OF TERRE HAUTE TO FORT WAYNE.

WJG
Special weather statement, Sep 14, 11:05 AM EST, 51 minutes before
INZ001>012-141630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1105 AM EST FRI SEP 14 1990

AT 1100 AM EST...A SOLID LINE OF VERY STRONG THUNDERSTORMS RANGING FROM
15 TO 25 MILES WIDE EXTENDED FROM BETWEEN SOUTH BEND AND ELKHART THROUGH
THE LAFAYETTE AREA TO 40 MILES SOUTHWEST OF DANVILLE ILLINOIS.

THE STRONGEST STORMS WERE NEAR SOUTH BEND AND...15...30 AND 35 MILES
SOUTH OF SOUTH BEND.

THE LINE OF THUNDERSTORMS WAS MOVING EAST AT 35 MILES AN HOUR...AND
WILL MOVE THROUGH WARSAW...PERU...KOKOMO...FRANKFORT AND CRAWSFORDSVILLE
BETWEEN 1115 AND 1145 AM EST.

DANGEROUS LIGHTNING...STRONG GUSTY WINDS...BRIEF TORRENTIAL DOWNPOURS
AND POSSIBLY SOME HAIL CAN BE EXPECTED WITH THE PASSAGE OF THE LINE.
.
A TORNADO WATCH CONTINUES IN EFFECT UNTIL 4 PM EST FOR MOST OF INDIANA
NORTH OF A LINE FROM TEN MILES NORTH OF TERRE HAUTE TO FORT WAYNE.

THE WATCH IS NO LONGER IN EFFECT FOR SOUTHERN LAKE MICHIGAN...AND LAKE
PORT8ER COUNTIES IN THE FAR NORTHWEST PART OF INDIANA.
STEIGERWALDT
Special weather statement, Sep 14, 11:14 AM EST, 42 minutes before
INZ001>012-141700-

SPECIAL WEATHER STATEMENT AND INDIANA WEATHER SUMMARY
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1115 AM EST FRI SEP 14 1990

A SHARP COLD FRONT WILL USHER IN MORE AUTUMNLIKE WEATHER INTO
INDIANA THIS AFTERNOON AND EVENING. THE FRONT WILL ALSO BRING
NUMEROUS SHOWERS AND THUNDERSTORMS WITH THE POTENTIAL FOR
SEVERE WEATHER.

THERE IS A TORNADO WATCH IN EFFECT FOR PARTS OF NORTHERN INDIANA
UNTIL MID AFTERNOON. ADDITIONAL WATCHES WILL LIKELY BE ISSUED
FOR CENTRAL INDIANA EARLY THIS AFTERNOON.

PEOPLE IN THE AREAS OF FORT WAYNE...KOKOMO AND TERRE HAUTE AND
SOUTHEAST TO INDIANAPOLIS AND MUNCIE SHOULD BE ALERT FOR THE
POTENTIAL FOR DAMAGING WINDS AND PERHAPS TORNADOES.

MUCH MFORE PLEASANT WEATHER WILL ARRIVE IN INDIANA TONIGHT AND
SATURDAY. TEMPERATURES WILL BE PLEASANT. REFRESHINGLY COOLER AIR
WILL MAKE FOR GREAT FOOTBALL WEATHER IN CENTRAL INDIANA ON SATURDAY
AFTERNOON.

EDWARDS
Special weather statement, Sep 14, 11:24 AM EST, 32 minutes before
INZ001>012-141700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1120 AM EST FRI SEP 14 1990

AT 1115 AM EST...A SOLID LINE OF VERY STRONG THUNDERSTORMS ABOUT 15
MILES WIDE EXTENDED FROM 30 MILES EAST OF SOUTH BEND TO JUST EAST OF
LOGANSPORT AND LAFAYETTE TO 25 MILES NORTH OF TERRE HAUTE.

THE STRONGEST STORMS WERE 30 MILES SOUTHEAST OF...AND 35 MILES SOUTH OF
SOUTH BEND...20 MILES NORTHEAST OF LAFAYETTE...AND 25 MILES NORTH OF
TERRE HAUTE.

THE LINE OF THUNDERSTORMS WAS MOVING EAST AT 35 MILES AN HOUR...AND
WILL MOVE THROUGH KENDALLVILLE...WABASH...KOKOMO...AND LEBANON BETWEEN
1130 AM AND NOON.

DANGEROUS LIGHTNING...STRONG GUSTY WINDS...BRIEF TORRENTIAL DOWNPOURS
AND POSSIBLY SOME HAIL CAN BE EXPECTED WITH THE PASSAGE OF THE LINE.

THE VERY STRONG THUNDERSTORM WILL MOVE THROUGH CRAWFORDSVILLE BY ABOUT
1130 AM...AND MAY PRODUCE STREET FLOODING AND FLOODING OF LOW LYING
AREAS...AS WELL AS STRONG WINDS THAT MAY KNOCK DOWN SOME TREE LIMBS.

A TORNADO WATCH CONTINUES IN EFFECT UNTIL 4 PM EST FOR THAT PART OF
INDIANA NORTH OF A LINE FROM TEN MILES NORTH OF TERRE HAUTE TO FORT
WAYNE...AND SOUTH OF A LINE FROM DANVILLE ILLINOIS TO NEAR SOUTH BEND.
STENIGERWALDT
Special weather statement, Sep 14, 11:28 AM EST, 28 minutes before
INZ005>013-142200-

AREAL OUTLINE FOR ......TORNADO...... WATCH NUMBER 746 -
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1130 AM EST FRI SEP 14 1990

IN INDIANA TORNADO WATCH NUMBER 746 IS IN EFFECT
UNTIL 500 PM  EST AND INCLUDES THAT PART OF INDIANA...
NORTH OF A LINE FROM TERRE HAUTE TO 30 MILES SOUTH OF RICHMOND...AND
SOUTH OF A LINE FROMT FORT WAYNE TO 10 MILES NORTH OF TERRE HAUTE

SOME CITIES INCLUDED ARE... INDIANAPOLIS...TERRE HAUTE...RICHMOND
...ANDERSON AND MUNCIE.

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 STATEMENTSW AND POSSIBLE WARNINGS.

WJG

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 14, 10:43 AM ESTTornado WarningINDSaint Joseph32 min
Sep 14, 11:52 AM ESTSevere Thunderstorm WarningINDBoone53 min
Sep 14, 12:09 PM ESTSevere Thunderstorm WarningINDHoward36 min
Sep 14, 1:56 PM ESTSevere Thunderstorm WarningINDBartholomew34 min
Sep 14, 2:19 PM ESTSevere Thunderstorm WarningINDFayette, Wayne41 min
Sep 14, 2:29 PM ESTSevere Thunderstorm WarningINDDecatur31 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; the sounding from the Mesonet's radiosonde archive.