Alert archive / Minnesota / Tornado Warnings in 2004

Tornado Warning 6, NWS La Crosse, WI

June 11, 2004Fillmore County, Mower County, Minnesota

NWS La Crosse, WI issued this tornado warning at Jun 11, 2004, 5:53 PM CDT for Fillmore County, Mower County, Minnesota. It was in force for 67 min. 8 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: Jun 11, 2004, 5:53 PM CDT (22:53 UTC)
Expired: Jun 11, 2004, 7:00 PM CDT
In force: 67 min
Issued by: NWS La Crosse, WI
Area: Counties, with a storm outline in the text

Counties Fillmore County, MN, Mower County, MN

The radar

The La Crosse radar (KARX), 110 km from the middle of the area, began a volume at 22:53 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 11, 6:04 PM CDT	TORNADO	2 W Le Roy, MN	A TORNADO TRACKED ACROSS WESTERN HOWARD COUNTY...TO THE NORTH AND HIT SEVERAL BUILDINGS AND RESIDENCES IN THE LEROY MINNESOTA AREA. AT LEAST 3 HOMES HAVE BEEN DAMAGED. THE TORNADO WAS 200 FEET WIDE AT TIMES AND TRACKED TO THE NORTH-NORTHWEST. A COMPLETE SURVEY
Jun 11, 6:04 PM CDT	TORNADO	2 W Le Roy, MN	A TORNADO TRACKED ACROSS WESTERN HOWARD COUNTY...TO THE NORTH AND HIT SEVERAL BUILDINGS AND RESIDENCES IN THE LEROY MINNESOTA AREA. AT LEAST 3 HOMES HAVE BEEN DAMAGED. THE TORNADO WAS 200 FEET WIDE AT TIMES AND TRACKED TO THE NORTH-NORTHWEST. A COMPLETE SURVEY
Jun 11, 6:04 PM CDT	TORNADO	2 W Le Roy, MN
Jun 11, 6:04 PM CDT	TORNADO	2 W Le Roy, MN
Jun 11, 6:32 PM CDT	TORNADO	4 Sw Spring Valley, MN	BRIEF TOUCHDOWN
Jun 11, 6:32 PM CDT	TORNADO	4 Sw Spring Valley, MN	BRIEF TOUCHDOWN
Jun 11, 6:53 PM CDT	TORNADO	2 Se Racine, MN	BRIEF TOUCHDOWN
Jun 11, 6:53 PM CDT	TORNADO	2 Se Racine, MN	BRIEF TOUCHDOWN

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
Jun 11, 1:45 PM CDT	Tornado Watch	SPC	5 hr
Jun 11, 5:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.9 hours before the alert went out and 161 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: 572 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -29 m²/s²
0-3 km storm-relative helicity: 16 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KARX 112253
TORARX
MNC045-099-120000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
553 PM CDT FRI JUN 11 2004

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN FILLMORE COUNTY IN SOUTHEAST MINNESOTA
  MOWER COUNTY IN SOUTHEAST MINNESOTA

* UNTIL 700 PM CDT

* AT 553 PM CDT...WEATHER SPOTTERS REPORTED A TORNADO 8 MILES SOUTH
  OF LE ROY...OR ABOUT 17 MILES NORTHEAST OF OSAGE. THE TORNADO WAS
  MOVING NORTH AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  LE ROY AROUND 605 PM CDT...
  LAKE LOUISE STATE PARK AROUND 610 PM CDT...
  TAOPI AROUND 615 PM CDT...
  COUNTY ROADS 4 AND 3 AND COUNTY ROADS 4 AND 8 AROUND 620 PM CDT...
  OSTRANDER AROUND 625 PM CDT...

THIS STORM HAS A HISTORY OF PRODUCING A TORNADO TAKE COVER IN A
BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR AND STAY AWAY 
FROM WINDOWS A TORNADO WATCH IS ALSO IN EFFECT UNTIL 11 PM.

LAT...LON 4350 9265 4350 9238 4380 9232 4381 9266

$$

SHEA

&

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 11, 5:45 PM CDT	Severe Thunderstorm Warning	ARX	Dodge	75 min
Jun 11, 6:07 PM CDT	Tornado Warning	ARX	Dodge	53 min
Jun 11, 6:40 PM CDT	Severe Thunderstorm Warning	ARX	Olmsted	65 min

Nearby

Tornado Warnings in Minnesota, 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; radar from the NEXRAD Level II archive.