Alert archive / Indiana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 24, NWS Indianapolis, IN

April 19, 1996Johnson County, Shelby County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 19, 1996, 9:24 PM EST for Johnson County, Shelby County, Indiana. It was in force for 51 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 19, 1996, 9:24 PM EST (02:24 UTC)
Expired
Apr 19, 1996, 10:15 PM EST
In force
51 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Johnson County, IN, Shelby County, IN

What was reported inside it

TimeReportWhereRemark
Apr 19, 9:40 PM ESTThunderstorm WindLondon, 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.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.4 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, Cncnati-Daytn, OH at 00:00Z on 1996-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1144 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, Cncnati-Daytn, OH at 00:00Z on 1996-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 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
1144 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
991 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
276 m²/s²
Significant tornado parameter
1.1
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 200225
SVRIND
INC081-145-200315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
924 PM EST FRI APR 19 1996
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL INDIANA
 
   ...JOHNSON COUNTY...SHELBY COUNTY
 
AT 922 PM EST...DOPPLER RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM
NEAR MARTINSVILLE IN MARTIN COUNTY. THE STORM WAS MOVING NORTHEAST AT
35 MPH.
 
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.
 
LINDSEY

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 19, 4:39 PM EST, 4 hours 45 minutes before
INZ002>066-073-074-200400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
438 PM EST FRI APR 19 1996

...TORNADO WATCH UNTIL 1100 PM EST...

A TORNADO WATCH HAS BEEN ISSUED FOR MUCH OF CENTRAL AND
NORTHERN INDIANA UNTIL 1100 PM EST. THE WATCH COVERS THAT PORTION OF
INDIANA NORTH OF A LINE FROM SULLIVAN TO BLOOMINGTON TO COLUMBUS TO
LAWRENCE. SOME CITIES IN THE WATCH INCLUDE
INDIANAPOLIS...LAFAYETTE...TERRE HAUTE...FORT WAYNE...SOUTH BEND AND
KOKOMO.

AT 435 PM EST VERY STRONG THUNDERSTORMS WERE OCCURRING OVER EAST
CENTRAL ILLINOIS AND MOVING EAST NORTHEAST AT 35 TO 40 MPH. THESE
STORMS WILL MOVE INTO VERMILLION...WARREN AND SOUTHERN VIGO COUNTIES
BY 500 PM EST.  VERY STRONG WINDS OF 40 TO 50 MPH CAN BE EXPECTED
WITH HAIL AND HEAVY RAIN.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF
TORNADOES...LARGE HAIL AND DAMAGING WINDS. NOW IS THE TIME TO THINK
OF WHERE YOU MIGHT GO IF A WARNING IS ISSUED. KEEP TUNED TO
COMMERCIAL RADIO AND TELEVISION FOR THE LATEST WEATHER INFORMATION.

LASHLEY
Special weather statement, Apr 19, 4:41 PM EST, 4 hours 43 minutes before
INZ002>066-073-074-200400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
440 PM EST FRI APR 19 1996

...A TORNADO WATCH HAS BEEN ISSUED FOR NORTH AND CENTRAL INDIANA
UNTIL 1100 PM EST/CDT...

THE WATCH IS NORTH OF A LINE FROM 15 MILES SOUTHWEST OF SULLIVAN TO
15 MILES SOUTH OF LAWRENCEBURG. SOME CITIES IN THE WATCH ARE SOUTH
BEND...FORT WAYNE...LAFAYETTE...TERRE HAUTE...INDIANAPOLIS...
RICHMOND...BLOOMINGTON AND COLUMBUS.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND
SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. REVIEW PLANS FOR
YOUR SAFETY NOW. THE SAFEST PLACE DURING A TORNADO IS IN A BASEMENT
OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUILDING.

AT 435 PM...SEVERE THUNDERSTORMS WERE OVER EAST CENTRAL ILLINOIS AND
WERE MOVING TOWARD WEST CENTRAL INDIANA.

DS
Special weather statement, Apr 19, 8:19 PM EST, 1 hour 5 minutes before
INZ002>066-073-074-200230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
820 PM EST FRI APR 19 1996

...A TORNADO WATCH HAS BEEN ISSUED FOR NORTH AND CENTRAL INDIANA
UNTIL 1100 PM EST/CDT...

THE WATCH IS NORTH OF A LINE FROM 15 MILES SOUTHWEST OF SULLIVAN TO
15 MILES SOUTH OF LAWRENCEBURG. SOME CITIES IN THE WATCH ARE SOUTH
BEND...FORT WAYNE...LAFAYETTE...TERRE HAUTE...INDIANAPOLIS...
RICHMOND...BLOOMINGTON AND COLUMBUS.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND
SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. REVIEW PLANS FOR
YOUR SAFETY NOW. THE SAFEST PLACE DURING A TORNADO IS IN A BASEMENT
OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUJR HOME OR BUILDING.

SEVERE THUNDERSTORMS WERE MOVING THROUGH EAST CENTRAL INDIANA AT 815
PM. OTHER STORMS WERE MOVING THROUGH NORTHWEST INDIANA AND WERE JUST
SOUTHWEST OF TERRE HAUTE AND MOVING TOWARD TERRE HAUTE.

DS
Special weather statement, Apr 19, 8:43 PM EST, 41 minutes before
INZ002>066-072>075-200900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
841 PM EST FRI APR 19 1996

...A TORNADO WATCH HAS BEEN ISSUED FOR MUCH OF NORTHERN AND CENTRAL
INDIANA UNTIL 400 AM EST...

A NEW TORNADO WATCH HAS BEEN ISSUED FOR A LARGE PORTION OF CENTRAL
AND NORTHERN INDIANA. THIS TORNADO WATCH REPLACES TORNADO WATCH
NUMBER 188.

THE WATCH IS NORTH OF A LINE FROM 15 MILES SOUTHWEST OF SULLIVAN TO
15 MILES SOUTH OF LAWRENCEBURG...AND SOUTH OF A LINE FROM 10 MILES
SOUTH OF SOUTH BEND TO 5 MILES SOUTH OF ANGOLA. SOME CITIES IN THE
WATCH ARE...FORT WAYNE...LAFAYETTE...TERRE HAUTE...INDIANAPOLIS...
RICHMOND...BLOOMINGTON AND COLUMBUS.

A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND
SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. REVIEW PLANS FOR
YOUR SAFETY NOW. THE SAFEST PLACE DURING A TORNADO IS IN A BASEMENT
OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUILDING.

AT 840 PM EST...SEVERE THUNDERSTORMS WERE OVER EAST CENTRAL ILLINOIS
AND WERE MOVING TOWARD WEST CENTRAL INDIANA. THESE STORMS HAVE HAD A
HISTORY OF PRODUCING LARGE HAIL AND POSSIBLE TORNADOES ACROSS
ILLINOIS THIS EVENING.

LASHLEY
Special weather statement, Apr 19, 9:16 PM EST, 8 minutes before
INZ002-003-008>089-200900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
907 PM EST FRI APR 19 1996

...A TORNADO WATCH HAS BEEN ISSUED FOR SOUTH INDIANA UNTIL 400 AM...

THE TORNADO WATCH FOR CENTRAL AND NORTH INDIANA CONTINUES UNTIL 400
AM...SO ALL BUT A SMALL PART OF INDIANA IS COVERED BY TORNADO WATCHES
UNTIL 400 AM. THE SMALL PART NOT COVERED IS FROM SOUTH BEND TO
ANGOLA.

AT 910 PM...THUNDERSTORMS WERE OVER EAST CENTRAL INDIANA...SOUTHWEST
INDIANA AND NORTHWEST INDIANA. THE STORMS WERE MOVING NORTHEAST.

IN THE EAST CENTRAL THE STORMS WERE BETWEEN MUNCIE AND RICHMOND. IN
THE SOUTHWEST THEY WERE BETWEEN TERRE HAUTE AND VINCENNES. STORMS IN
THE NORTHWEST EXTENDED FROM WEST OF LAFAYETTE TO SOUTH OF SOUTH BEND.
A SEVERE THUNDERSTORM WAS 50 MILES SOUTHWEST OF LAFAYETTE.

DS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 7:20 PM ESTTornado WarningINDHancock, Shelby55 min
Apr 19, 7:41 PM ESTTornado WarningINDHenry, Rush64 min
Apr 19, 9:14 PM ESTTornado WarningINDFountain, Warren61 min
Apr 19, 9:59 PM ESTTornado WarningINDKnox61 min
Apr 19, 10:47 PM ESTSevere Thunderstorm WarningINDMarion43 min
Apr 19, 10:51 PM ESTSevere Thunderstorm WarningINDDaviess, Martin54 min
Apr 19, 10:57 PM ESTSevere Thunderstorm WarningINDHamilton, Hancock, Madison48 min
Apr 19, 11:14 PM ESTSevere Thunderstorm WarningINDRush, Shelby46 min
Apr 19, 11:25 PM ESTSevere Thunderstorm WarningINDHenry50 min
Apr 19, 11:28 PM ESTTornado WarningINDLawrence, Monroe47 min
Apr 19, 11:39 PM ESTSevere Thunderstorm WarningINDDelaware, Randolph51 min
Apr 19, 11:45 PM ESTSevere Thunderstorm WarningINDBrown, Jackson60 min
Apr 19, 11:58 PM ESTTornado WarningINDBrown, Jackson47 min
Apr 20, 12:05 AM ESTTornado WarningINDBartholomew45 min
Apr 20, 12:13 AM ESTSevere Thunderstorm WarningINDMartin47 min
Apr 20, 12:31 AM ESTSevere Thunderstorm WarningINDJennings44 min
Apr 20, 12:34 AM ESTSevere Thunderstorm WarningINDDecatur41 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1996Every severe thunderstorm warning in 1996

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.