Alert archive / Indiana / Tornado Warnings in 1996

Tornado Warning 13, NWS Indianapolis, IN

April 20, 1996Bartholomew County, Indiana

NWS Indianapolis, IN issued this tornado warning at Apr 20, 1996, 12:05 AM EST for Bartholomew County, Indiana. It was in force for 45 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 20, 1996, 12:05 AM EST (05:05 UTC)
Expired: Apr 20, 1996, 12:50 AM EST
In force: 45 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Bartholomew County, IN

The radar

The Indianapolis radar (KIND), 65 km from the middle of the area, began a volume at 05:09 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.

What was reported inside it

Time	Report	Where	Remark
Apr 20, 12:45 AM EST	Tornado F1	Burnsville, 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, 5.1 hours before the alert went out and 182 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: 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 200504
TORIND
INC005-200545-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1205 AM EST SAT APR 20 1996
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1250 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL INDIANA
 
   ...BARTHOLOMEW COUNTY
 
AT 1204 AM EST DOPPLER RADAR INDICATED A POSSIBLE TORNADO 15 MILES
SOUTHWEST OF COLUMBUS MOVING NORTHEAST AT 35 MPH.
 
TAKE COVER IMMEDIATELY.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWESPT FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
LASHLEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 7:20 PM EST	Tornado Warning	IND	Hancock, Shelby	55 min
Apr 19, 7:41 PM EST	Tornado Warning	IND	Henry, Rush	64 min
Apr 19, 9:14 PM EST	Tornado Warning	IND	Fountain, Warren	61 min
Apr 19, 9:24 PM EST	Severe Thunderstorm Warning	IND	Johnson, Shelby	51 min
Apr 19, 9:59 PM EST	Tornado Warning	IND	Knox	61 min
Apr 19, 10:47 PM EST	Severe Thunderstorm Warning	IND	Marion	43 min
Apr 19, 10:51 PM EST	Severe Thunderstorm Warning	IND	Daviess, Martin	54 min
Apr 19, 10:57 PM EST	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Madison	48 min
Apr 19, 11:14 PM EST	Severe Thunderstorm Warning	IND	Rush, Shelby	46 min
Apr 19, 11:25 PM EST	Severe Thunderstorm Warning	IND	Henry	50 min
Apr 19, 11:28 PM EST	Tornado Warning	IND	Lawrence, Monroe	47 min
Apr 19, 11:39 PM EST	Severe Thunderstorm Warning	IND	Delaware, Randolph	51 min
Apr 19, 11:45 PM EST	Severe Thunderstorm Warning	IND	Brown, Jackson	60 min
Apr 19, 11:58 PM EST	Tornado Warning	IND	Brown, Jackson	47 min
Apr 20, 12:13 AM EST	Severe Thunderstorm Warning	IND	Martin	47 min
Apr 20, 12:31 AM EST	Severe Thunderstorm Warning	IND	Jennings	44 min
Apr 20, 12:34 AM EST	Severe Thunderstorm Warning	IND	Decatur	41 min

Nearby

Tornado Warnings in Indiana, 1996 Every tornado warning in 1996 Tornadoes 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; radar from the NEXRAD Level II archive.