Alert archive / Wisconsin / Tornado Warnings in 2011

Tornado Warning 4, NWS La Crosse, WI

April 10, 2011Clark County, Taylor County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Apr 10, 2011, 5:09 PM CDT for Clark County, Taylor County, Wisconsin. It was in force for 66 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
Apr 10, 2011, 5:09 PM CDT (22:09 UTC)
Expired
Apr 10, 2011, 6:15 PM CDT
In force
66 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon

Counties Clark County, WI, Taylor County, WI

The radar

The La Crosse radar (KARX), 151 km from the middle of the area, began a volume at 22:09 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

TimeReportWhereRemark
Apr 10, 5:30 PM CDTHAIL 1Medford, WI
Apr 10, 5:39 PM CDTHAIL 0.253 W Withee, WI
Apr 10, 5:42 PM CDTHAIL 14 Sw Stetsonville, WI
Apr 10, 6:18 PM CDTHAIL 1.755 Ene Medford, WI

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 10, 3:19 PM CDTTornado Watch PDSSPC7 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.2 hours before the alert went out and 187 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, Green Bay/Straub, WI at 12:00Z on 2011-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 56 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2011-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
56 J/kg
Mixed-layer CIN
-264 J/kg
Mixed-layer LCL
799 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

155 
WFUS53 KARX 102209
TORARX
WIC019-119-102315-
/O.NEW.KARX.TO.W.0004.110410T2209Z-110410T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
509 PM CDT SUN APR 10 2011

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CLARK COUNTY IN CENTRAL WISCONSIN...
  SOUTHEASTERN TAYLOR COUNTY IN NORTH CENTRAL WISCONSIN...

* UNTIL 615 PM CDT

* AT 505 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 15 MILES WEST OF THE BLUE SWAMP...OR 17 MILES SOUTHEAST OF
  CHIPPEWA FALLS...MOVING NORTHEAST AT 60 MPH.

* THE TORNADO WILL BE NEAR...
  THE BLUE SWAMP AND SEVEN SISTER MOUNDS AROUND 520 PM...
  THORP AND RESEBURG AROUND 525 PM...
  RESEBURG AND STERLING AVENUE AND STARKS ROAD AROUND 530 PM...
  OWEN AND WITHEE AROUND 535 PM...
  ATWOOD AROUND 540 PM...
  COUNTY ROADS A AND E AND CURTISS AROUND 545 PM...
  DORCHESTER AND ABBOTSFORD AROUND 550 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 1100 PM SUNDAY EVENING FOR
NORTHEAST IOWA AND SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.

&&

LAT...LON 4512 9004 4512 9018 4504 9019 4503 9031
      4489 9031 4472 9093 4496 9093 4534 9004
TIME...MOT...LOC 2210Z 241DEG 52KT 4479 9107

$$

RIECK
7 follow-up statements
971 
WWUS53 KARX 102218
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
518 PM CDT SUN APR 10 2011

WIC019-119-102315-
/O.CON.KARX.TO.W.0004.000000T0000Z-110410T2315Z/
CLARK WI-TAYLOR WI-
518 PM CDT SUN APR 10 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN TAYLOR AND
NORTHERN CLARK COUNTIES UNTIL 615 PM CDT...

AT 514 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO LOCATED NEAR THE BLUE SWAMP...OR 22 MILES EAST OF CHIPPEWA
FALLS...MOVING NORTHEAST AT 65 MPH. IN ADDITION TO A TORNADO...THIS
STORM CAN PRODUCE QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH.

* THE TORNADO WILL BE NEAR...
  THORP AND RESEBURG AROUND 525 PM...
  LONGWOOD AND COUNTY O AND STERLING AVENUE AROUND 530 PM...
  OWEN AND WITHEE AROUND 535 PM...
  CURTISS AROUND 540 PM...
  DORCHESTER AND ABBOTSFORD AROUND 545 PM...
  MEDFORD AND STETSONVILLE AROUND 550 PM...
  GAD AROUND 555 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 1100 PM SUNDAY EVENING FOR
NORTHEAST IOWA AND SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.

&&

LAT...LON 4512 9004 4512 9018 4504 9019 4503 9031
      4489 9031 4472 9093 4496 9093 4534 9004
TIME...MOT...LOC 2218Z 243DEG 57KT 4485 9090

$$

RIECK
036 
WWUS53 KARX 102227
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
527 PM CDT SUN APR 10 2011

WIC019-119-102315-
/O.CON.KARX.TO.W.0004.000000T0000Z-110410T2315Z/
CLARK WI-TAYLOR WI-
527 PM CDT SUN APR 10 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN TAYLOR AND
NORTHERN CLARK COUNTIES UNTIL 615 PM CDT...

AT 523 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO LOCATED NEAR STERLING AVENUE AND STARKS ROAD...OR 23 MILES
NORTH OF NEILLSVILLE...MOVING NORTHEAST AT 60 MPH. IN ADDITION TO A
TORNADO...THIS STORM CAN PRODUCE QUARTER SIZE HAIL AND DESTRUCTIVE
WINDS IN EXCESS OF 70 MPH.

* THE TORNADO WILL BE NEAR...
  CURTISS AND ATWOOD AROUND 540 PM...
  DORCHESTER AND ABBOTSFORD AROUND 545 PM...
  MEDFORD AND STETSONVILLE AROUND 550 PM...
  GAD AROUND 555 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 1100 PM SUNDAY EVENING FOR
NORTHEAST IOWA AND SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.

&&

LAT...LON 4512 9004 4512 9018 4504 9019 4503 9031
      4489 9031 4475 9084 4496 9093 4534 9004
TIME...MOT...LOC 2227Z 246DEG 65KT 4490 9065

$$

RIECK
685 
WWUS53 KARX 102232
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
532 PM CDT SUN APR 10 2011

WIC019-119-102315-
/O.CON.KARX.TO.W.0004.000000T0000Z-110410T2315Z/
CLARK WI-TAYLOR WI-
532 PM CDT SUN APR 10 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN TAYLOR AND
NORTHERN CLARK COUNTIES UNTIL 615 PM CDT...

AT 528 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO LOCATED NEAR LONGWOOD...OR 21 MILES SOUTHWEST OF MEDFORD...
MOVING NORTHEAST AT 65 MPH. IN ADDITION TO A TORNADO...THIS STORM CAN
PRODUCE QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.

* THE TORNADO WILL BE NEAR...
  DORCHESTER AND ABBOTSFORD AROUND 545 PM...
  MEDFORD AND STETSONVILLE AROUND 550 PM...
  GAD AROUND 555 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 1100 PM SUNDAY EVENING FOR
NORTHEAST IOWA AND SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.

&&

LAT...LON 4512 9004 4512 9018 4504 9019 4503 9031
      4489 9031 4475 9084 4496 9093 4534 9004
TIME...MOT...LOC 2232Z 246DEG 65KT 4493 9053

$$
213 
WWUS53 KARX 102240
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
540 PM CDT SUN APR 10 2011

WIC019-119-102315-
/O.CON.KARX.TO.W.0004.000000T0000Z-110410T2315Z/
CLARK WI-TAYLOR WI-
540 PM CDT SUN APR 10 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN TAYLOR AND
NORTHERN CLARK COUNTIES UNTIL 615 PM CDT...

AT 537 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO LOCATED NEAR CURTISS...OR 12 MILES SOUTH OF MEDFORD...MOVING
NORTHEAST AT 65 MPH. IN ADDITION TO A TORNADO...THIS STORM CAN
PRODUCE QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.

* THE TORNADO WILL BE NEAR...
  HIGHWAY 13 AND COUNTY ROAD M AROUND 550 PM...
  GAD AROUND 555 PM...
  GOODRICH AND HIGHWAY M AND JOE MARTIN ROAD AROUND 600 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 1100 PM SUNDAY EVENING FOR
NORTHEAST IOWA AND SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.

&&

LAT...LON 4512 9004 4512 9018 4504 9019 4503 9031
      4489 9031 4475 9084 4496 9093 4534 9004
TIME...MOT...LOC 2240Z 246DEG 65KT 4499 9034

$$

RIECK
363 
WWUS53 KARX 102253
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
553 PM CDT SUN APR 10 2011

WIC019-119-102315-
/O.CON.KARX.TO.W.0004.000000T0000Z-110410T2315Z/
CLARK WI-TAYLOR WI-
553 PM CDT SUN APR 10 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN TAYLOR AND
NORTHERN CLARK COUNTIES UNTIL 615 PM CDT...

AT 551 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO LOCATED NEAR GAD...OR 12 MILES SOUTHEAST OF MEDFORD...MOVING
NORTHEAST AT 65 MPH. IN ADDITION TO A TORNADO...THIS STORM CAN
PRODUCE QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.

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 1100 PM SUNDAY EVENING FOR
NORTHEAST IOWA AND SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.

&&

LAT...LON 4488 9076 4499 9084 4534 9004 4512 9004
      4512 9018 4504 9019 4503 9031 4494 9031
TIME...MOT...LOC 2253Z 245DEG 57KT 4507 9010

$$

RIECK
765 
WWUS53 KARX 102304
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
604 PM CDT SUN APR 10 2011

WIC019-119-102315-
/O.CON.KARX.TO.W.0004.000000T0000Z-110410T2315Z/
CLARK WI-TAYLOR WI-
604 PM CDT SUN APR 10 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN TAYLOR AND
NORTHERN CLARK COUNTIES UNTIL 615 PM CDT...

AT 600 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
POSSIBLE TORNADO LOCATED 6 MILES NORTH OF OWEN...OR 12 MILES 
SOUTHWEST OF MEDFORD...MOVING NORTHEAST AT 65 MPH. IN ADDITION TO A 
TORNADO...THIS STORM CAN PRODUCE QUARTER SIZE HAIL AND DESTRUCTIVE 
WINDS IN EXCESS OF 70 MPH.

* THE TORNADO WILL BE NEAR...
  MEDFORD AND THE TAYLOR COUNTY AIRPORT AROUND 610 PM...
  GAD AND HIGHWAY 13 AND COUNTY ROAD M AROUND 615 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 1100 PM SUNDAY EVENING FOR
NORTHEAST IOWA AND SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.

&&

LAT...LON 4488 9076 4499 9084 4534 9004 4512 9004
      4512 9018 4504 9019 4503 9031 4494 9031
TIME...MOT...LOC 2304Z 240DEG 53KT 4507 9048

$$

RIECK
584 
WWUS53 KARX 102309
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
609 PM CDT SUN APR 10 2011

WIC019-102319-
/O.CAN.KARX.TO.W.0004.000000T0000Z-110410T2315Z/
CLARK WI-
609 PM CDT SUN APR 10 2011

...THE TORNADO WARNING FOR NORTHERN CLARK COUNTY IS CANCELLED...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SUNDAY EVENING
FOR NORTHEAST IOWA AND SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.

LAT...LON 4512 9004 4512 9018 4504 9019 4503 9031
      4504 9059 4510 9059 4534 9005
TIME...MOT...LOC 2309Z 240DEG 53KT 4511 9039

$$

WIC119-102315-
/O.CON.KARX.TO.W.0004.000000T0000Z-110410T2315Z/
TAYLOR WI-
609 PM CDT SUN APR 10 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN TAYLOR COUNTY
UNTIL 615 PM CDT...

AT 604 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
POSSIBLE TORNADO LOCATED NEAR COUNTY ROADS A AND E...OR 8 MILES 
SOUTHWEST OF MEDFORD...MOVING NORTHEAST AT 65 MPH. IN ADDITION TO A 
TORNADO...THIS STORM CAN PRODUCE QUARTER SIZE HAIL AND DESTRUCTIVE 
WINDS IN EXCESS OF 70 MPH.

* THE TORNADO WILL BE NEAR...
  GAD AND HIGHWAY M AND JOE MARTIN ROAD AROUND 615 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 1100 PM SUNDAY EVENING FOR
NORTHEAST IOWA AND SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.

&&

LAT...LON 4512 9004 4512 9018 4504 9019 4503 9031
      4504 9059 4510 9059 4534 9005
TIME...MOT...LOC 2309Z 240DEG 53KT 4511 9039

$$

RIECK

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 10:58 AM CDTRiver Flood WarningARXBuffalo, Trempealeau57 hr
Apr 10, 3:46 PM CDTSevere Thunderstorm WarningARXBuffalo29 min
Apr 10, 4:16 PM CDTSevere Thunderstorm WarningARXBuffalo29 min
Apr 10, 4:24 PM CDTSevere Thunderstorm WarningARXBuffalo, Jackson, Trempealeau41 min
Apr 10, 4:32 PM CDTTornado WarningARXLa Crosse, Vernon43 min
Apr 10, 5:03 PM CDTSevere Thunderstorm WarningARXVernon27 min
Apr 10, 5:04 PM CDTSevere Thunderstorm WarningARXJuneau, Monroe26 min
Apr 10, 5:13 PM CDTTornado WarningARXMonroe47 min
Apr 10, 5:39 PM CDTSevere Thunderstorm WarningARXAdams, Jackson, Juneau, Monroe66 min
Apr 10, 5:56 PM CDTSevere Thunderstorm WarningARXAdams, Juneau, Monroe64 min
Apr 10, 6:12 PM CDTTornado WarningARXTaylor33 min
Apr 10, 6:16 PM CDTTornado WarningARXAdams, Juneau44 min
Apr 10, 6:57 PM CDTTornado WarningARXAdams, Juneau33 min

Nearby

Tornado 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.