Alert archive / Indiana / Tornado Warnings in 2004

Tornado Warning 5, NWS Indianapolis, IN

April 20, 2004Madison County, Tipton County, Indiana

NWS Indianapolis, IN issued this tornado warning at Apr 20, 2004, 7:00 PM EST for Madison County, Tipton County, Indiana. It was in force for 60 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, 7:00 PM EST (00:00 UTC)
Expired: Apr 20, 2004, 8:00 PM EST
In force: 60 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Madison County, IN, Tipton County, IN

What was reported inside it

Time	Report	Where	Remark
Apr 20, 7:26 PM EST	TORNADO	2 W Fairmount, IN
Apr 20, 7:31 PM EST	TORNADO	10 W Fowlerton, IN	TORNADO REPORTED ON THE GROUND AT POINT ISABEL

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 20, 5:40 PM EST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.0 hours before the alert went out and 202 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: 333 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1050 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 181 m²/s²
0-3 km storm-relative helicity: 369 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 5.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KIND 210000
TORIND
INC095-159-210100-

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MADISON COUNTY IN CENTRAL INDIANA
  NORTHEASTERN TIPTON COUNTY IN CENTRAL INDIANA

* UNTIL 800 PM EST

* AT 700 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER EAST
  CENTRAL TIPTON COUNTY...OR ABOUT 15 MILES SOUTHEAST OF KOKOMO...
  MOVING NORTHEAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  RURAL NORTHWESTERN MADISON COUNTY AROUND 710 PM EST

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 4041 8588 4039 8599 4034 8586 4027 8587
          4039 8558 4045 8569

$$

SALLY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 20, 7:12 PM EST	Severe Thunderstorm Warning	IND	Carroll	33 min

Nearby

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