Alert archive / Minnesota / Tornado Warnings in 2004

Tornado Warning 8, NWS La Crosse, WI

June 11, 2004Fillmore County, Mower County, Olmsted County, Minnesota

NWS La Crosse, WI issued this tornado warning at Jun 11, 2004, 7:00 PM CDT for Fillmore County, Mower County, Olmsted County, Minnesota. It was in force for 60 min. 7 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, 7:00 PM CDT (00:00 UTC)
Expired: Jun 11, 2004, 8:00 PM CDT
In force: 60 min
Issued by: NWS La Crosse, WI
Area: Counties, with a storm outline in the text

Counties Fillmore County, MN, Mower County, MN, Olmsted County, MN

The radar

The La Crosse radar (KARX), 102 km from the middle of the area, began a volume at 00:03 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, 7:10 PM CDT	HAIL 0.5	5 E Byron, MN
Jun 11, 7:36 PM CDT	TSTM WND GST 60	1 E Racine, MN
Jun 11, 7:36 PM CDT	TSTM WND GST 60	1 E Racine, MN
Jun 11, 7:50 PM CDT	TSTM WND DMG	1 N Spring Valley, MN	TREES DOWN
Jun 11, 7:50 PM CDT	TSTM WND DMG	1 N Spring Valley, MN	TREES DOWN
Jun 11, 8:00 PM CDT	TSTM WND DMG	2 W Chatfield, MN	TREES DOWN
Jun 11, 8:00 PM CDT	TSTM WND DMG	2 W Chatfield, MN	TREES DOWN

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 00:00Z, 0.0 hours before the alert went out and 137 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: 53 J/kg
Mixed-layer CIN: -210 J/kg
Mixed-layer LCL: 1051 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 216 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

937 
WFUS53 KARX 120000
TORARX
MNC045-099-109-120100-

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

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

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

* UNTIL 800 PM CDT

* AT 658 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED A LINE
  OF SEVERE THUNDERSTORMS MOVING THROUGH OLMSTED AND MOWER COUNTIES.
  THESE HAVE A HISTORY OF PRODUCE DAMAGING WIND AND FUNNEL CLOUDS.
  ANOTHER THUNDERSTORM WITH A TORNADIC HISTORY HAS MOVED INTO
  SOUTHERN OLMSTED COUNTY AS WELL.

* TORNADOES ARE POSSIBLE NEAR...
  COUNTY ROADS 4 AND 8 AND ROCHESTER AIRPORT AROUND 705 PM CDT...
  LAKE LOUISE STATE PARK AND I 90 EXIT 209 AROUND 710 PM CDT...
  COUNTY ROADS 4...3 AND HIGHWAY 63 AND COUNTY 16 AROUND 715 PM...
  I 90 EXIT 218 AND PREDMORE AROUND 720 PM CDT...
  COUNTY ROADS 2 AND 38 AND WASHINGTON AROUND 725 PM CDT...

THIS WARNING EXTENDS THE TORNADO WARNING FOR MOWER AND FILLMORE
COUNTIES...AND UPGRADES THE SEVERE THUNDERSTORM WARNING FOR OLMSTED.

A TORNADO IS BEING DETECTED BY RADAR. THIS MEANS THAT A TORNADO MAY
NOT BE OCCURRING WHEN THE WARNING IS ISSUED...BUT ONE IS EXPECTED TO
DEVELOP. TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE
LOWEST FLOOR AND STAY AWAY FROM WINDOWS

LAT...LON 4422 9253 4386 9268 4352 9292 4350 9211
      4407 9211 4410 9232

$$

SHEA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 7:05 PM CDT	Severe Thunderstorm Warning	ARX	Wabasha	40 min
Jun 11, 7:47 PM CDT	Severe Thunderstorm Warning	ARX	Winona	58 min
Jun 11, 8:00 PM CDT	Severe Thunderstorm Warning	ARX	Fillmore	45 min
Jun 12, 6:14 PM CDT	Severe Thunderstorm Warning	ARX	Dodge, Mower	61 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.