Alert archive / Indiana / Tornado Warnings in 2004

Tornado Warning 1, NWS Northern Indiana

April 20, 2004Miami County, Wabash County, Indiana

NWS Northern Indiana issued this tornado warning at Apr 20, 2004, 6:13 PM EST for Miami County, Wabash County, Indiana. It was in force for 62 min. 5 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, 6:13 PM EST (23:13 UTC)
Expired
Apr 20, 2004, 7:15 PM EST
In force
62 min
Issued by
NWS Northern Indiana
Area
Counties, with a storm outline in the text

Counties Miami County, IN, Wabash County, IN

What was reported inside it

TimeReportWhereRemark
Apr 20, 6:24 PM ESTTORNADO 0Amboy, INTORNADO SKIPPED...NOT ON GROUND ALL THE TIME. SPOTTERS REPORTED SEVERAL BRIEF TOUCHDOWNS OVER MAINLY OPEN FIELDS. SOME TREE AND TREE LIMB DAMAGE. TRACK LENGTH 1 MILE. WIDTH 50 YARDS.
Apr 20, 6:24 PM ESTTORNADOAmboy, IN
Apr 20, 6:53 PM ESTFUNNEL CLOUD8 S Wabash, INTWO FUNNEL CLOUDS REPORTED IN THE VICINITY OF SOMERSET NEAR MISSISSINEWA LAKE.
Apr 20, 6:53 PM ESTFUNNEL CLOUD8 S Wabash, INTWO FUNNEL CLOUDS REPORTED IN THE VICINITY OF SOMERSET NEAR MISSISSINEWA LAKE.
Apr 20, 7:05 PM ESTTORNADO 13 Ne La Fontaine, INTORNADO OBSERVED TOUCHING DOWN IN FIELD 1 MILES SOUTHWEST OF LINCOLNVILLE...NEAR STATE ROUTE 124. TWO HOMES WERE HEAVILY DAMAGED. ONE BARN DESTROYED. TORNADO SKIPPED FROM THIS POINT FOR ANOTHER 1.75 MILES BEFORE LIFTING NEAR THE SALAMONIE RIVER. TOTAL LENGTH 2

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.

IssuedProductOfficeLasted
Apr 20, 5:40 PM ESTTornado WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.2 hours before the alert went out and 225 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, Cncnati-Daytn, OH 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, Cncnati-Daytn, OH at 12:00Z on 2004-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
1131 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
106 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.

938 
WFUS53 KIWX 202313
TORIWX
INC103-169-210015-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
612 PM EST TUE APR 20 2004

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  MIAMI COUNTY IN INDIANA
  WABASH COUNTY IN INDIANA

* UNTIL 715 PM EST

* AT 612 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 10 MILES SOUTHWEST OF
  AMBOY...MOVING NORTHEAST AT 20 MPH.

* SOME LOCATIONS IN THE PATH OF THIS STORM ARE...
  AMBOY
  LA FONTAINE
  WABASH
  LAGRO

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM ON THE
LOWEST FLOOR AWAY FROM WINDOWS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN NORTHERN INDIANA.

LAT...LON 4084 8592 4080 8565 4072 8565 4066 8573
          4066 8587 4058 8587 4058 8617

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.