Alert archive / Indiana / Tornado Warnings in 2004

Tornado Warning 4, NWS Indianapolis, IN

April 20, 2004Hamilton County, Tipton County, Indiana

NWS Indianapolis, IN issued this tornado warning at Apr 20, 2004, 6:19 PM EST for Hamilton County, Tipton County, Indiana. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 20, 2004, 6:19 PM EST (23:19 UTC)
Expired: Apr 20, 2004, 7:15 PM EST
In force: 56 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Hamilton County, IN, Tipton County, IN

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

Lincoln, IL (KILX), launched 12:00Z, 11.3 hours before the alert went out and 209 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: 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.

630 
WFUS53 KIND 202319
TORIND
INC057-159-210015-

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN HAMILTON COUNTY IN CENTRAL INDIANA
  TIPTON COUNTY IN CENTRAL INDIANA

* UNTIL 715 PM EST

* AT 619 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A TORNADO 7 MILES WEST OF SHERIDAN...OR ABOUT 12 MILES SOUTHEAST OF
  FRANKFORT...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  SHERIDAN AROUND 630 PM EST
  TIPTON AROUND 705 PM EST
  SHARPSVILLE AROUND 715 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 4021 8626 4008 8623 4034 8587 4042 8611

$$

SALLY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 20, 4:55 PM EST	Severe Thunderstorm Warning	IND	Putnam	35 min
Apr 20, 5:22 PM EST	Tornado Warning	IND	Clinton	23 min
Apr 20, 5:31 PM EST	Severe Thunderstorm Warning	IND	Boone	44 min
Apr 20, 5:38 PM EST	Tornado Warning	IND	Howard, Tipton	37 min
Apr 20, 5:38 PM EST	Tornado Warning	IND	Boone	52 min
Apr 20, 6:36 PM EST	Severe Thunderstorm Warning	IND	Tippecanoe	39 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; the sounding from the Mesonet's radiosonde archive.