Alert archive / Minnesota / Tornado Warnings in 2011

Tornado Warning 23, NWS La Crosse, WI

June 21, 2011Wabasha County, Minnesota; Buffalo County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Jun 21, 2011, 3:09 PM CDT for Wabasha County, Minnesota; Buffalo County, Wisconsin. It was in force for 48 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
Jun 21, 2011, 3:09 PM CDT (20:09 UTC)
Expired
Jun 21, 2011, 3:57 PM CDT
In force
48 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon

Counties Wabasha County, MN, Buffalo County, WI

The radar

The La Crosse radar (KARX), 94 km from the middle of the area, began a volume at 20:11 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 21, 2:11 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.2 hours before the alert went out and 139 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, Minneapolis, MN at 12:00Z on 2011-06-21Temperature 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, Minneapolis, MN at 12:00Z on 2011-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 316 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
629 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
316 m²/s²
0-3 km storm-relative helicity
260 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.

423 
WFUS53 KARX 212009
TORARX
MNC157-WIC011-212115-
/O.NEW.KARX.TO.W.0023.110621T2009Z-110621T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
309 PM CDT TUE JUN 21 2011

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL WABASHA COUNTY IN SOUTHEAST MINNESOTA...
  WESTERN BUFFALO COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 415 PM CDT

* AT 307 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO NEAR HEROLD...OR NEAR ALMA...MOVING NORTH AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  TELL AND PRAAG AROUND 320 PM...
  COUNTY ROADS F AND K K AROUND 325 PM...
  MODENA AROUND 330 PM...
  URNE AROUND 335 PM...
  MISHA MOKWA AROUND 340 PM...
  MAXVILLE AROUND 345 PM...
  THE BIG SWAMP AREA AROUND 350 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM TUESDAY EVENING FOR
SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.

&&

LAT...LON 4459 9202 4460 9201 4460 9168 4423 9172
      4424 9195 4459 9204
TIME...MOT...LOC 2009Z 181DEG 23KT 4433 9186

$$

JW
4 follow-up statements
871 
WWUS53 KARX 212024
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
324 PM CDT TUE JUN 21 2011

MNC157-WIC011-212115-
/O.CON.KARX.TO.W.0023.000000T0000Z-110621T2115Z/
WABASHA MN-BUFFALO WI-
324 PM CDT TUE JUN 21 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN BUFFALO AND
EXTREME EAST CENTRAL WABASHA COUNTIES UNTIL 415 PM CDT...

AT 321 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO LOCATED NEAR TELL...OR 6 MILES NORTHEAST OF ALMA...MOVING
NORTH AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  MODENA AROUND 330 PM...
  URNE AROUND 335 PM...
  MISHA MOKWA AROUND 340 PM...
  MAXVILLE AROUND 345 PM...
  THE BIG SWAMP AREA AROUND 350 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 4429 9171 4429 9195 4459 9204 4459 9202
      4460 9201 4460 9168
TIME...MOT...LOC 2023Z 181DEG 23KT 4442 9186

$$

JW
791 
WWUS53 KARX 212030
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
330 PM CDT TUE JUN 21 2011

MNC157-212040-
/O.CAN.KARX.TO.W.0023.000000T0000Z-110621T2115Z/
WABASHA MN-
330 PM CDT TUE JUN 21 2011

...THE TORNADO WARNING FOR EXTREME EAST CENTRAL WABASHA COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT TUESDAY EVENING
FOR SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.

LAT...LON 4436 9170 4436 9196 4459 9204 4459 9202
      4460 9201 4460 9168
TIME...MOT...LOC 2030Z 181DEG 23KT 4446 9186

$$

WIC011-212115-
/O.CON.KARX.TO.W.0023.000000T0000Z-110621T2115Z/
BUFFALO WI-
330 PM CDT TUE JUN 21 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN BUFFALO
COUNTY UNTIL 415 PM CDT...

AT 325 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO LOCATED NEAR COUNTY ROADS F AND K K...OR 8 MILES NORTHEAST OF
ALMA...MOVING NORTH AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  URNE AROUND 335 PM...
  MISHA MOKWA AROUND 340 PM...
  MAXVILLE AROUND 345 PM...
  THE BIG SWAMP AREA AROUND 350 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 4436 9170 4436 9196 4459 9204 4459 9202
      4460 9201 4460 9168
TIME...MOT...LOC 2030Z 181DEG 23KT 4446 9186

$$

JW
150 
WWUS53 KARX 212047
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
347 PM CDT TUE JUN 21 2011

WIC011-212115-
/O.CON.KARX.TO.W.0023.000000T0000Z-110621T2115Z/
BUFFALO WI-
347 PM CDT TUE JUN 21 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN BUFFALO
COUNTY UNTIL 415 PM CDT...

AT 344 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO LOCATED NEAR URNE...OR 10 MILES SOUTHWEST OF MONDOVI...MOVING
NORTH AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  MAXVILLE AROUND 355 PM...
  THE BIG SWAMP AREA AROUND 400 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 4447 9170 4447 9197 4456 9202 4459 9203
      4459 9202 4460 9201 4460 9168
TIME...MOT...LOC 2047Z 181DEG 23KT 4451 9185

$$

JW
514 
WWUS53 KARX 212057
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
357 PM CDT TUE JUN 21 2011

WIC011-212108-
/O.CAN.KARX.TO.W.0023.000000T0000Z-110621T2115Z/
BUFFALO WI-
357 PM CDT TUE JUN 21 2011

...THE TORNADO WARNING FOR NORTHWESTERN BUFFALO COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT TUESDAY EVENING
FOR SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.

LAT...LON 4447 9170 4447 9197 4456 9202 4459 9203
      4459 9202 4460 9201 4460 9168
TIME...MOT...LOC 2058Z 181DEG 23KT 4458 9185

$$

JW

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 5:58 AM CDTRiver Flood WarningARXCrawford34 hr

Nearby

Tornado Warnings in Minnesota, 2011Tornado Warnings in Wisconsin, 2011Every tornado warning in 2011Tornadoes in 2011

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; radar from the NEXRAD Level II archive.