Alert archive / Indiana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 121, NWS Indianapolis, IN

July 17, 1996Madison County, Tipton County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 17, 1996, 9:40 PM EST for Madison County, Tipton County, Indiana. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 17, 1996, 9:40 PM EST (02:40 UTC)
Expired: Jul 17, 1996, 10:30 PM EST
In force: 50 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

Counties Madison County, IN, Tipton County, IN

The radar

The Indianapolis radar (KIND), 68 km from the middle of the area, began a volume at 02:42 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.7 hours before the alert went out and 199 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2041 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 1007 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 180239
SVRIND
INC095-159-180330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
940 PM EST WED JUL 17 1996
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL INDIANA
 
   ...NORTHERN MADISON COUNTY...TIPTON COUNTY
 
AT 940 PM EST RADAR SHOWED A SEVERE THUNDERSTORM NEAR THE TOWN OF
SHARPSVILLE...15 MILES NORTHEAST OF FRANKFORT.
 
THIS SEVERE THUNDERSTORM WAS MOVING SOUTHEAST AT 25 MPH TOWARD THE TOWNS
OF WINDFALL AND JACKSON STATION AND WILL BE NEAR THE CITY OF TIPTON
BETWEEN 945 AND 10 PM.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
TMA

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 17, 3:50 PM EST, 5 hours 50 minutes before

INZ001>050-172200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
353 PM EST WED JUL 17 1996

...SEVERE THUNDERSTORM WATCH FOR PARTS OF NORTHERN AND NORTHWEST
INDIANA HAS BEEN REPLACED WITH A TORNADO WATCH FOR NORTHERN
INDIANA...

THE SEVERE THUNDERSTORM WATCH FOR NORTHCENTRAL AND NORTHWEST INDIANA
HAS BEEN CANCELLED. A TORNADO WATCH WILL BE ISSUED SHORTLY FOR MOST
OF NORTHERN INDIANA.

VERY STRONG THUNDERSTORMS WERE IN NORTHERN ILLINOIS. THESE WILL MOVE
THROUGH NORTHERN INDIANA THIS EVENING. SEVERE WEATHER AND POSSIBLE
TORNADOES ARE POSSIBLE.

SCATTERED THUNDERSTORMS WERE MOVING THROUGH THE CENTRAL SECTIONS OF
THE STATE. THERE HAVE BEEN NO REPORTS OF SEVERE WEATHER IN CENTRAL
INDIANA THIS AFTERNOON. THERE WAS ONE REPORT OF MARBLE SIZE HAIL AND
STRONG WINDS NEAR WILLIAMS IN LAWRENCE COUNTY AT 245 PM.

SCATTERED THUNDERSTORMS WILL MOVE THROUGH CENTRAL INDIANA THIS
EVENING. WHILE THESE STORMS MAY PRODUCE SMALL 6HAIL...BRIEF INTENSE
RAIN AND GUSTY WINDS THESE STORMS SHOULD NOT BE SEVERE.

HAINES

Special weather statement, Jul 17, 4:02 PM EST, 5 hours 38 minutes before

INZ002>034-038-040>042-180300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
403 PM EST WED JUL 17 1996

...TORNADO WATCH NORTH HALF OF INDIANA UNTIL 10 PM EST...

A TORNADO WATCH HAS BEEN ISSUED FOR ROUGHLY THE NORTH HALF OF
INDIANA UNTIL 10 PM EST.  THE TORNADO WATCH IS ROUGHLY ALONG AND
NORTH OF A LAFAYETTE TO MUNCIE LINE. CITIES IN THE TORNADO WATCH
INCLUDE GARY...SOUTH BEND...FORT WAYNE...LAFAYETTE...KOKOMO...MUNCIE
AND ANDERSON.  INDIANAPOLIS IS NEAR THE TORNADO WATCH.

AT 350 PM EST...RADAR INDICATED THUNDERSTORMS OVER NORTHWEST INDIANA
FROM LAFAYETTE TO GARY.  OTHER STORMS WERE IN CENTRAL INDIANA IN THE
INDY METRO AREA. OTHER STRONG STORMS WERE IN SOUTH CENTRAL INDIANA
BETWEEN BLOOMINGTON...SEYMOUR AND COLUMBUS.  ALL STORMS WERE MOVING
NORTHEAST AROUND 20 MPH.

REVIEW YOUR SEVERE WEATHER PLANS NOW. BE PREPARED TO GO TO A SAFE
PLACE IN THE INTERIOR OF YOUR BUILDING. BOATERS OR OTHERS OUTDOORS
BE PREPARE~D TO MOVE INDOORS BEFORE THE STORMS ARRIVE.

DT

Special weather statement, Jul 17, 4:45 PM EST, 4 hours 55 minutes before

INZ021>023-028>031-035>042-172300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
445 PM EST WED JUL 17 1996

...A TORNADO WATCH REMAINS IN EFFECT FOR NORTHERN INDIANA UNTIL 1000
PM EST...

AT 430 PM EST STATE EMERGENCY MANAGEMENT REPORTED DIME SIZE HAIL AND
40 MPH WINDS ABOUT 35 MILES NORTHWEST OF INDIANAPOLIS NEAR THE TOWN
OF THORNTOWN IN NORTHWEST BOONE COUNTY.

AT 440 PM EST RADAR INDICATED THAT THIS THUNDERSTORM HAD MOVE,D TO
NEAR FRANKFORT.  THIS THUNDERSTORM WAS MOVING NORTHEAST AT 40 MPH AND
SHOULD REACH THE TOWN OF KOKOMO SHORTLY 500 PM EST.

JEH

Special weather statement, Jul 17, 5:59 PM EST, 3 hours 41 minutes before

INZ001>034-038-040-041-180000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
600 PM EST WED JUL 17 1996

...A TORNADO WATCH REMAINS IN EFFECT FOR NORTHERN INDIANA UNTIL 1000
PM EST...

THE TORNADO WATCH AREA IS ALONG AND NORTH OF A LINE FROM LAFAYETTE TO
MUNCIE TO PORTLAND. CITIES IN THE TORNADO WATCH INCLUDE GARY...SOUTH
BEND... FORT WAYNE...LAFAYETTE...KOKOMO...MUNCIE AND ANDERSON.

AT 555 PM EST RADAR INDICATED VERY STRONG THUNDERSTORMS FROM JUST
SOUTH OF LAKE MICHIGAN TO ABOUT 20 MILES EAST OF KOKOMO.

THERE WERE ALSO STRONG THUNDERSTORMS OVER EAST CENTRAL INDIANA JUST
TO THE SOUTH OF RICHMOND.  ALL OF THE THUNDERSTORMS WERE MOVING
NORTHEAST AT AROUND 30 MPH.

0JEH

Special weather statement, Jul 17, 7:18 PM EST, 2 hours 22 minutes before

INZ001>034-038-040-041-180230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
716 PM EST WED JUL 17 1996

...A TORNADO WATCH REMAINS IN EFFECT FOR NORTHERN INDIANA UNTIL 1000
PM EST...

THE TORNADO WATCH AREA IS ALONG AND NORTH OF A LINE FROM LAFAYETTE TO
MUNCIE TO PORTLAND. CITIES IN THE TORNADO WATCH INCLUDE GARY...SOUTH
BEND... FORT WAYNE...LAFAYETTE...KOKOMO...MUNCIE AND ANDERSON.

AT 710 PM EST RADAR INDICATED A VERY STRONG THUNDERSTORM WAS LOCATED
ABOUT 25 MILES NORTHEAST OF LAFAYETTE.  THIS STORM WAS MOVING
SOUTHEAST AT 25 MPH AND WILL MOVE ACROSS NORTHERN CARROLL AND
SOUTHERN CASS COUNTIES.

SO FAR THERE HAVE BEEN NO REPORTS OF SEVERE WEATHER WITH
THUNDERSTORM.  HOWEVER GUSTY WINDS AND SMALL HAIL IS POSSIBLE FROM
THE LOGANSPORT AREA TO MONTICELLO.

MEANWHILE MOST OF THE OTHER STORMS WERE OCCURRING TO THE SOUTH AND
SOUTHWEST OF CHICAGO AND ACROSS EXTREME NORTHERN INDIANA.  THESE
THUNDERSTORMS WERE MOVING EAST AT AROUND 30 MPH.

JEH

Special weather statement, Jul 17, 9:04 PM EST, 36 minutes before

INZ001>005-008>050-054>059-066-180800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
905 PM EST WED JUL 17 1996

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF NORTHERN
AND CENTRAL INDIANA UNTIL 300 AM EST.

THIS SEVERE THUNDERSTORM WATCH REPLACES THE TORNADO WATCH THAT WAS IN
EFFECT FOR NORTHERN INDIANA.

THE SEVERE THUNDERSTORM WATCH AREA IS FOR THAT PART OF INDIANA ALONG
AND NORTH OF A LINE FROM CLINTON TO 30 MILES SOUTH OF RICHMOND.

HOWEVER...THE SEVERE THUNDERSTORM WATCH DOES NOT INCLUDE STEUBEN AND
LAGRANGE COUNTIES OF EXTREME NORTHEAST INDIANA.

SOME CITIES INCLUDED IN THE SEVERE THUNDERSTORM WATCH ARE...
SOUTH BEND...FORT WAYNE...LAFAYETTE...KOKXOMO...MUNCIE...ANDERSON...
INDIANAPOLIS AND RUSHVILLE.

JEH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 8:27 PM EST	Severe Thunderstorm Warning	IND	Carroll, Cass, Howard	63 min
Jul 17, 8:27 PM EST	Severe Thunderstorm Warning	IND	Miami	63 min
Jul 17, 10:31 PM EST	Severe Thunderstorm Warning	IND	Clinton, Howard, Tipton	44 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1996 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.