Alert archive / Minnesota / Tornado Warnings in 2009

Tornado Warning 9, NWS La Crosse, WI

June 17, 2009Mower County, Minnesota

NWS La Crosse, WI issued this tornado warning at Jun 17, 2009, 8:11 PM CDT for Mower County, Minnesota. It was in force for 64 min. 4 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 17, 2009, 8:11 PM CDT (01:11 UTC)
Expired: Jun 17, 2009, 9:15 PM CDT
In force: 64 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon

County Mower County, MN

The radar

The La Crosse radar (KARX), 130 km from the middle of the area, began a volume at 01:14 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 17, 8:27 PM CDT	HAIL 1.5	2 E Austin, MN	RELAYED FROM MEDIA
Jun 17, 8:44 PM CDT	FUNNEL CLOUD	5 Nw Adams, MN
Jun 17, 8:57 PM CDT	HAIL 0.75	3 Nw Le Roy, MN
Jun 17, 9:13 PM CDT	HAIL 1.75	3 Nnw Le Roy, MN

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 17, 7:01 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.2 hours before the alert went out and 144 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: 1471 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 751 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 219 m²/s²
0-3 km storm-relative helicity: 350 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 12.7

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KARX 180111
TORARX
MNC099-180215-
/O.NEW.KARX.TO.W.0009.090618T0111Z-090618T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
811 PM CDT WED JUN 17 2009

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

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

* UNTIL 915 PM CDT

* AT 808 PM CDT...EMERGENCY MANAGEMENT REPORTED A LARGE TORNADO ON   
  THE NORTHWEST SIDE OF AUSTIN. DEBRIS IS IN THE AIR. THIS IS AN     
  EXTREMELY DANGEROUS SITUATION. IF IN AUSTIN...GET UNDERGROUND IF    
  POSSIBLE. THIS WARNING EXTENDS THE PREVIOUS TORNADO WARNING FOR    
  MOWER COUNTY. THE TORNADO IS MOVING SOUTHEAST AT 35 MPH. 

* THE TORNADO WILL BE NEAR...
  AUSTIN THROUGH 820 PM...
  RENOVA AND COUNTY ROADS 1 AND 7 AROUND 820 PM...
  ROSE CREEK AND I 90 EXIT 187 AROUND 825 PM...
  ADAMS AND GRAND MEADOW AROUND 835 PM...
  TAOPI AND RACINE AROUND 840 PM...
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS

CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A STURDY BUILDING. AS A
LAST RESORT...LAY FLAT IN A DITCH AND COVER YOUR HEAD.

&&

LAT...LON 4385 9305 4383 9246 4350 9245 4350 9273
      4359 9305
TIME...MOT...LOC 0108Z 302DEG 28KT 4371 9295

$$

BAUMGARDT

4 follow-up statements

000 
WWUS53 KARX 180117
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
817 PM CDT WED JUN 17 2009

MNC099-180215-
/O.CON.KARX.TO.W.0009.000000T0000Z-090618T0215Z/
MOWER MN-
817 PM CDT WED JUN 17 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR MOWER
COUNTY...

AT 814 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO. THIS
TORNADO WAS LOCATED NEAR I 90 EXIT 181...OR NEAR AUSTIN...MOVING 
SOUTHEAST AT 35 MPH. IT APPEARS THIS TORNADO WILL TRACK ACROSS THE 
NORTH AND NORTHEAST SIDE OF AUSTIN. 

IF YOU ARE IN THE PATH OF THIS STORM...YOU MUST GET INDOORS AND 
UNDERGROUND IN A BASEMENT. DO NOT STOP UNDER HIGHWAY 
OVERPASSES...SEEK SHELTER IN A BUILDING OFF THE HIGHWAY. 

* THE TORNADO WILL BE NEAR...
  I 90 EXIT 183 AND RENOVA AROUND 820 PM...
  ROSE CREEK AND I 90 EXIT 187 AROUND 825 PM...
  ADAMS AROUND 835 PM...
  GRAND MEADOW AROUND 840 PM...
  HIGHWAYS 63 AND 16 AROUND 850 PM...
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A STURDY BUILDING. AS A
LAST RESORT...LAY FLAT IN A DITCH AND COVER YOUR HEAD.

&&

LAT...LON 4385 9305 4383 9246 4350 9245 4350 9273
      4359 9305
TIME...MOT...LOC 0115Z 294DEG 28KT 4368 9289

$$

BAUMGARDT

000 
WWUS53 KARX 180137
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
837 PM CDT WED JUN 17 2009

MNC099-180215-
/O.CON.KARX.TO.W.0009.000000T0000Z-090618T0215Z/
MOWER MN-
837 PM CDT WED JUN 17 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR MOWER
COUNTY...

AT 834 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM 
SPOTTERS WERE TRACKING A TORNADO. THIS TORNADO WAS LOCATED NEAR ROSE 
CREEK...OR 7 MILES SOUTHEAST OF AUSTIN...MOVING SOUTHEAST AT 15 MPH. 
THIS STORM PRODUCED A VIOLENT TORNADO IN AUSTIN AND DID PRODUCE 
INJURIES. IF IN THE PATH...SEEK SHELTER NOW. 

* THE TORNADO WILL BE NEAR...
  I 90 EXIT 193 AND DEXTER AROUND 845 PM...
  ELKTON AROUND 850 PM...
  ADAMS AND GRAND MEADOW AROUND 905 PM...
  RACINE AROUND 910 PM...
  LE ROY AND TAOPI AROUND 915 PM...

IF DRIVING...DO NOT SEEK SHELTER UNDER THE OVERPASSES. PULL OF THE 
HIGHWAY AND SEEK SHELTER IN A BUILDING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A STURDY BUILDING. AS A
LAST RESORT...LAY FLAT IN A DITCH AND COVER YOUR HEAD.

TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS

&&

LAT...LON 4385 9305 4383 9246 4350 9245 4350 9273
      4359 9305
TIME...MOT...LOC 0135Z 307DEG 13KT 4363 9285

$$

BAUMGARDT

000 
WWUS53 KARX 180201
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
901 PM CDT WED JUN 17 2009

MNC099-180215-
/O.CON.KARX.TO.W.0009.000000T0000Z-090618T0215Z/
MOWER MN-
901 PM CDT WED JUN 17 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
SOUTHEASTERN MOWER COUNTY...

AT 900 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS TORNADO WAS LOCATED
NEAR ADAMS...OR 17 MILES SOUTHEAST OF AUSTIN...MOVING SOUTHEAST AT 25
MPH. FUNNELS HAVE BEEN REPORTED SINCE THE VIOLENT TORNADO LIFTED 
AFTER AUSTIN. THIS IS STILL AN EXTREMELY DANGEROUS STORM. 

* THE TORNADO WILL BE NEAR...
  COUNTY ROADS 4 AND 8 AROUND 905 PM...
  LE ROY AND LAKE LOUISE STATE PARK AROUND 915 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A STURDY BUILDING. AS A
LAST RESORT...LAY FLAT IN A DITCH AND COVER YOUR HEAD.

TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS

&&

LAT...LON 4366 9276 4364 9252 4350 9245 4350 9273
      4356 9280
TIME...MOT...LOC 0200Z 305DEG 20KT 4354 9268

$$

BAUMGARDT

000 
WWUS53 KARX 180216
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
916 PM CDT WED JUN 17 2009

MNC099-180225-
/O.EXP.KARX.TO.W.0009.000000T0000Z-090618T0215Z/
MOWER MN-
916 PM CDT WED JUN 17 2009

...THE TORNADO WARNING FOR SOUTHEASTERN MOWER COUNTY EXPIRED AT 915
PM CDT...

THE STORM WHICH PROMPTED THIS WARNING HAS MOVED OUT OF THE WARNED 
AREA. HOWEVER...ANOTHER STORM IS SEVERE AND MOVING INTO NORTHEASTERN 
MOWER COUNTY. A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR 
NORTHEAST MOWER COUNTY UNTIL 1015 PM. 

A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA.

LAT...LON 4366 9276 4364 9252 4350 9245 4350 9273
      4356 9280
TIME...MOT...LOC 0201Z 305DEG 20KT 4354 9268

$$

NWS LA CROSSE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 7:14 PM CDT	Severe Thunderstorm Warning	ARX	Dodge, Mower	46 min
Jun 17, 7:35 PM CDT	Tornado Warning	ARX	Dodge, Mower	55 min
Jun 17, 8:29 PM CDT	Severe Thunderstorm Warning	ARX	Fillmore	46 min
Jun 17, 8:31 PM CDT	Tornado Warning	ARX	Dodge	59 min
Jun 17, 9:14 PM CDT	Severe Thunderstorm Warning	ARX	Mower, Olmsted	39 min

Nearby

Tornado Warnings in Minnesota, 2009 Every tornado warning in 2009 Tornadoes in 2009

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.