Alert archive / Indiana / Tornado Warnings in 1996

Tornado Warning 10, NWS Indianapolis, IN

April 19, 1996Knox County, Indiana

NWS Indianapolis, IN issued this tornado warning at Apr 19, 1996, 9:59 PM EST for Knox County, Indiana. It was in force for 61 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, 9:59 PM EST (02:59 UTC)
Expired
Apr 19, 1996, 11:00 PM EST
In force
61 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Knox County, IN

What was reported inside it

TimeReportWhereRemark
Apr 19, 10:15 PM ESTTornado F0Vincennes, 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

Lincoln, IL (KILX), launched 00:00Z, 3.0 hours before the alert went out and 192 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, Lincoln, IL at 00:00Z on 1996-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1505 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 1996-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 213 square meters per square second.1939587897Sfc1 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
1505 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
765 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
213 m²/s²
0-3 km storm-relative helicity
268 m²/s²
Significant tornado parameter
2.4
Supercell composite
11.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 200300
TORIND
INC083-200400-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
959 PM EST FRI APR 19 1996
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1100 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST INDIANA
 
   ...KNOX COUNTY
 
AT 958 PM EST...DOPPLER RADAR INDICATED A POSSIBLE TORNADO 10 MILES
SOUTHWEST OF VINCENNES MOVING NORTHEAST 35 MPH.
 
THERE HAVE BEEN NUMEROUS TOUCHDOWNS  REPORTED WITH THIS STORM IN
SOUTHERN ILLINOIS.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HEAD WIZTH YOUR HANDS.
 
LINDSEY

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, 9:24 PM ESTSevere Thunderstorm WarningINDJohnson, Shelby51 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

Tornado Warnings in Indiana, 1996Every tornado warning in 1996Tornadoes 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.