Alert archive / Indiana / Tornado Warnings in 2004

Tornado Warning 2, NWS Indianapolis, IN

April 20, 2004Howard County, Tipton County, Indiana

NWS Indianapolis, IN issued this tornado warning at Apr 20, 2004, 5:38 PM EST for Howard County, Tipton County, Indiana. It was in force for 37 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 20, 2004, 5:38 PM EST (22:38 UTC)
Expired
Apr 20, 2004, 6:15 PM EST
In force
37 min
Issued by
NWS Indianapolis, IN
Area
Counties, with a storm outline in the text

Counties Howard County, IN, Tipton County, IN

What was reported inside it

TimeReportWhereRemark
Apr 20, 6:10 PM ESTTORNADO3 N Kokomo, INTOUCHDOWN NEAR JEFFERSON AND APERSON ON NORTH SIDE OF KOKOMO.
Apr 20, 6:10 PM ESTTORNADO3 N Kokomo, INTOUCHDOWN NEAR JEFFERSON AND APERSON ON NORTH SIDE OF KOKOMO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.6 hours before the alert went out and 208 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 12:00Z on 2004-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2004-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1297 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
169 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 
WFUS53 KIND 202238 RRA
TORIND
INC067-159-202315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
538 PM EST TUE APR 20 2004

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  HOWARD COUNTY IN CENTRAL INDIANA
  THIS INCLUDES THE CITY OF KOKOMO
  NORTHWESTERN TIPTON COUNTY IN CENTRAL INDIANA

* UNTIL 615 PM EST

* AT 539 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  RUSSIAVILLE...OR ABOUT 11 MILES SOUTHWEST OF KOKOMO...MOVING
  NORTHEAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  RUSSIAVILLE AROUND 545 PM EST
  INDIAN HEIGHTS AROUND 605 PM EST
  KOKOMO AROUND 610 PM EST

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST TUESDAY EVENING
FOR NORTHWESTERN INDIANA.

LAT...LON 4045 8636 4034 8618 4044 8606 4059 8596
          4063 8619

$$

SALLY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 4:55 PM ESTSevere Thunderstorm WarningINDPutnam35 min
Apr 20, 5:22 PM ESTTornado WarningINDClinton23 min
Apr 20, 5:31 PM ESTSevere Thunderstorm WarningINDBoone44 min
Apr 20, 5:38 PM ESTTornado WarningINDBoone52 min
Apr 20, 6:19 PM ESTTornado WarningINDHamilton, Tipton56 min
Apr 20, 6:36 PM ESTSevere Thunderstorm WarningINDTippecanoe39 min

Nearby

Tornado Warnings in Indiana, 2004Every tornado warning in 2004Tornadoes in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.