Alert archive / Wisconsin / Tornado Warnings in 2011

Tornado Warning 7, NWS La Crosse, WI

April 10, 2011Adams County, Juneau County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Apr 10, 2011, 6:16 PM CDT for Adams County, Juneau County, Wisconsin. It was in force for 44 min. 6 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, 6:16 PM CDT (23:16 UTC)
Expired
Apr 10, 2011, 7:00 PM CDT
In force
44 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon

Counties Adams County, WI, Juneau County, WI

The radar

The La Crosse radar (KARX), 105 km from the middle of the area, began a volume at 23:18 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, 6:18 PM CDTHAIL 1.251 E Necedah, WI
Apr 10, 6:18 PM CDTHAIL 1.253 Se Necedah, WI
Apr 10, 6:23 PM CDTHAIL 1Big Flats, WI
Apr 10, 6:25 PM CDTTSTM WND DMGCottonville, WITREES DOWN.
Apr 10, 6:30 PM CDTTORNADO 17 E Cottonville, WIEF1
Apr 10, 6:30 PM CDTTORNADOCottonville, WIREPORTED BY SPOTTER

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, 11.3 hours before the alert went out and 153 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.

650 
WFUS53 KARX 102316
TORARX
WIC001-057-110000-
/O.NEW.KARX.TO.W.0007.110410T2316Z-110411T0000Z/

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

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL ADAMS COUNTY IN CENTRAL WISCONSIN...
  CENTRAL JUNEAU COUNTY IN CENTRAL WISCONSIN...

* UNTIL 700 PM CDT

* AT 614 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO NEAR KELLY...OR 11 MILES NORTH OF MAUSTON...MOVING EAST AT
  35 MPH. THIS TORNADO WARNING UPGRADES THE PREVIOUS SEVERE
  THUNDERSTORM WARNING FOR ADAMS AND JUNEAU COUNTIES.

* THE TORNADO WILL BE NEAR...
  NECEDAH AROUND 620 PM...
  KENS MARINA AND CAMPGROUND AND BUCKHORN STATE PARK AROUND 625 PM...
  DELLWOOD AND STRONGS PRAIRIE AROUND 630 PM...
  FRIENDSHIP AND ADAMS AROUND 640 PM...
  HIGHWAYS 13 AND 21 AND COTTONVILLE AROUND 645 PM...
  THE PRESTON CLIFFS AND BIG FLATS AROUND 650 PM...
  THE SHIP ROCK WAYSIDE AND COLBURN AROUND 655 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 4384 9020 4402 9027 4419 8959 4418 8959
      4394 8959
TIME...MOT...LOC 2316Z 254DEG 28KT 4396 9011

$$

DTJ
6 follow-up statements
124 
WWUS53 KARX 102324
SVSARX

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

WIC001-057-110000-
/O.CON.KARX.TO.W.0007.000000T0000Z-110411T0000Z/
ADAMS WI-JUNEAU WI-
624 PM CDT SUN APR 10 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL JUNEAU AND CENTRAL
ADAMS COUNTIES UNTIL 700 PM CDT...

LOCAL LAW ENFORCEMENT OFFICIALS REPORTED A FUNNEL CLOUD SOUTH OF 
NECEDAH.

AT 618 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE
SEVERE THUNDERSTORM WAS LOCATED NEAR HIGHWAYS 80 AND 58...OR 11 MILES
WEST OF FRIENDSHIP...MOVING EAST AT 75 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...
  THE SHIP ROCK WAYSIDE AND THE PRESTON CLIFFS AROUND 630 PM...
  THE COLBURN WILDLIFE AREA AND COUNTY ROADS C AND G AROUND 635 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 4384 9020 4402 9027 4419 8959 4418 8959
      4394 8959
TIME...MOT...LOC 2323Z 252DEG 65KT 4400 8991

$$

DTJ
547 
WWUS53 KARX 102328
SVSARX

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

WIC001-057-110000-
/O.CON.KARX.TO.W.0007.000000T0000Z-110411T0000Z/
ADAMS WI-JUNEAU WI-
628 PM CDT SUN APR 10 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL JUNEAU AND CENTRAL
ADAMS COUNTIES UNTIL 700 PM CDT...

TRAINED WEATHER SPOTTERS REPORTED THUNDERSTORM WIND DAMAGE WITH TREE 
DOWN NEAR COTTONVILLE.

AT 623 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE
SEVERE THUNDERSTORM WAS LOCATED NEAR ARKDALE...OR NEAR FRIENDSHIP...
MOVING EAST AT 75 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...
  THE SHIP ROCK WAYSIDE AROUND 630 PM...
  THE COLBURN WILDLIFE AREA AND COUNTY ROADS C AND G AROUND 635 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 4384 9020 4402 9027 4419 8959 4418 8959
      4394 8959
TIME...MOT...LOC 2327Z 252DEG 65KT 4403 8981

$$

DTJ
550 
WWUS53 KARX 102331
SVSARX

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

WIC001-057-110000-
/O.CON.KARX.TO.W.0007.000000T0000Z-110411T0000Z/
ADAMS WI-JUNEAU WI-
631 PM CDT SUN APR 10 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL JUNEAU AND CENTRAL
ADAMS COUNTIES UNTIL 700 PM CDT...

TRAINED WEATHER SPOTTERS REPORTED A TORNADO NEAR COTTONVILLE.

AT 627 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE
TORNADO WAS LOCATED NEAR ROCHE A CRI STATE PARK...OR NEAR
FRIENDSHIP...MOVING EAST AT 75 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...
  COUNTY ROADS C AND G AND COUNTY ROADS G AND O AROUND 635 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 4384 9020 4402 9027 4419 8959 4418 8959
      4394 8959
TIME...MOT...LOC 2330Z 252DEG 65KT 4403 8973

$$

DTJ
832 
WWUS53 KARX 102340
SVSARX

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

WIC001-057-110000-
/O.CON.KARX.TO.W.0007.000000T0000Z-110411T0000Z/
ADAMS WI-JUNEAU WI-
640 PM CDT SUN APR 10 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL JUNEAU AND CENTRAL
ADAMS COUNTIES UNTIL 700 PM CDT...

AT 636 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO LOCATED NEAR HIGHWAY 21 AND COUNTY G...OR 10 MILES NORTHEAST
OF FRIENDSHIP...MOVING EAST AT 75 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 4384 9020 4402 9027 4419 8959 4418 8959
      4394 8959
TIME...MOT...LOC 2340Z 252DEG 65KT 4407 8954

$$

DTJ
209 
WWUS53 KARX 102347
SVSARX

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

WIC001-057-110000-
/O.CON.KARX.TO.W.0007.000000T0000Z-110411T0000Z/
ADAMS WI-JUNEAU WI-
647 PM CDT SUN APR 10 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL JUNEAU AND CENTRAL
ADAMS COUNTIES UNTIL 700 PM CDT...

AT 646 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO LOCATED NEAR HIGHWAYS 80 AND 58...OR 10 MILES NORTH OF
MAUSTON...MOVING EAST AT 25 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...
  KENS MARINA AND CAMPGROUND AND BUCKHORN STATE PARK AROUND 655 PM...
  FRIENDSHIP AND DELLWOOD AROUND 700 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 4384 9020 4402 9027 4419 8959 4418 8959
      4394 8959
TIME...MOT...LOC 2347Z 256DEG 20KT 4395 9006

$$

DTJ
923 
WWUS53 KARX 102353
SVSARX

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

WIC001-057-110000-
/O.CON.KARX.TO.W.0007.000000T0000Z-110411T0000Z/
ADAMS WI-JUNEAU WI-
653 PM CDT SUN APR 10 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL JUNEAU AND CENTRAL
ADAMS COUNTIES UNTIL 700 PM CDT...

AT 650 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO LOCATED NEAR HIGHWAYS 80 AND 58...OR 11 MILES NORTH OF
MAUSTON...MOVING EAST AT 25 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...
  FRIENDSHIP AND DELLWOOD AROUND 700 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 4384 9020 4402 9027 4419 8959 4418 8959
      4394 8959
TIME...MOT...LOC 2353Z 256DEG 20KT 4396 9002

$$

DTJ

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, 5:09 PM CDTTornado WarningARXClark, Taylor66 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, 6:57 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.