Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 13, NWS La Crosse, WI

April 10, 2011Buffalo County, Jackson County, Trempealeau County, Wisconsin; Winona County, Minnesota

NWS La Crosse, WI issued this severe thunderstorm warning at Apr 10, 2011, 4:24 PM CDT for Buffalo County, Jackson County, Trempealeau County, Wisconsin; Winona County, Minnesota. It was in force for 41 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, 4:24 PM CDT (21:24 UTC)
Expired
Apr 10, 2011, 5:05 PM CDT
In force
41 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Winona County, MN, Buffalo County, WI, Jackson County, WI, Trempealeau County, WI

The radar

The La Crosse radar (KARX), 64 km from the middle of the area, began a volume at 21:24 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, 4:32 PM CDTHAIL 1Goodview, MN
Apr 10, 4:35 PM CDTHAIL 1.255 E Fountain City, WI
Apr 10, 4:37 PM CDTHAIL 0.75Arcadia, WI
Apr 10, 4:42 PM CDTHAIL 1.25Arcadia, WI
Apr 10, 4:54 PM CDTHAIL 1.755 S Osseo, WI
Apr 10, 5:00 PM CDTTSTM WND DMGOsseo, WILOTS OF WINDOWS BROKEN AND CARS DENTED FROM WHAT APPEARS TO BE WIND BLOWN DEBRIS.

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

Minneapolis, MN (KMPX), launched 12:00Z, 9.4 hours before the alert went out and 204 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 2011-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 552 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, Minneapolis, MN at 12:00Z on 2011-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 528 square meters per square second.1939587897Sfc1 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
552 J/kg
Mixed-layer CIN
-270 J/kg
Mixed-layer LCL
643 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
528 m²/s²
0-3 km storm-relative helicity
499 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

566 
WUUS53 KARX 102124
SVRARX
MNC169-WIC011-053-121-102215-
/O.NEW.KARX.SV.W.0013.110410T2124Z-110410T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
424 PM CDT SUN APR 10 2011

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL WINONA COUNTY IN SOUTHEAST MINNESOTA...
  SOUTHEASTERN BUFFALO COUNTY IN WEST CENTRAL WISCONSIN...
  NORTHWESTERN JACKSON COUNTY IN WEST CENTRAL WISCONSIN...
  TREMPEALEAU COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 515 PM CDT

* AT 419 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM LOCATED NEAR I 90 EXIT 252...OR 6 MILES
  SOUTHWEST OF WINONA...MOVING NORTHEAST AT 80 MPH. THIS STORM CAN
  PRODUCE QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN EXCESS OF 70
  MPH.  

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DODGE AND HIGHWAY 95 AND COUNTY G AROUND 430 PM...
  ARCADIA AND TAMARACK AROUND 435 PM...
  INDEPENDENCE AND NORTH CREEK AROUND 440 PM...
  WHITEHALL AND BLAIR AROUND 445 PM...
  PIGEON FALLS AND PLEASANTVILLE AROUND 450 PM...
  OSSEO AND LEVIS AROUND 455 PM...
  PRICE AROUND 500 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO ROOFS AND WINDOWS.
EVACUATE MOBILE HOMES AS THEY MAY BE OVERTURNED. LARGE HAIL IS ALSO
EXPECTED...WHICH CAN CAUSE DAMAGE TO VEHICLES AND WINDOWS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

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

&&

LAT...LON 4451 9092 4451 9081 4447 9080 4445 9080
      4391 9166 4402 9186 4461 9127 4460 9093
TIME...MOT...LOC 2124Z 218DEG 68KT 4406 9166
WIND...HAIL 70MPH 1.00IN

$$

RIECK
5 follow-up statements
663 
WWUS53 KARX 102134
SVSARX

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

MNC169-102145-
/O.CAN.KARX.SV.W.0013.000000T0000Z-110410T2215Z/
WINONA MN-
434 PM CDT SUN APR 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WINONA 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 4451 9092 4451 9081 4445 9080 4402 9152
      4411 9171 4412 9171 4413 9174 4460 9128
      4460 9093
TIME...MOT...LOC 2135Z 218DEG 68KT 4422 9148

$$

WIC011-053-121-102215-
/O.CON.KARX.SV.W.0013.000000T0000Z-110410T2215Z/
BUFFALO WI-JACKSON WI-TREMPEALEAU WI-
434 PM CDT SUN APR 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR TREMPEALEAU...
NORTHWESTERN JACKSON AND SOUTHEASTERN BUFFALO COUNTIES UNTIL 515 PM
CDT...

AT 433 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR TAMARACK...OR NEAR ARCADIA...MOVING
NORTHEAST AT 80 MPH. THIS STORM CAN PRODUCE QUARTER SIZE HAIL AND
DESTRUCTIVE WINDS IN EXCESS OF 80 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  INDEPENDENCE AND NORTH CREEK AROUND 440 PM...
  WHITEHALL AND BLAIR AROUND 445 PM...
  PIGEON FALLS AND PLEASANTVILLE AROUND 450 PM...
  OSSEO AND LEVIS AROUND 455 PM...
  PRICE AND REQUA AROUND 500 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO ROOFS AND WINDOWS.
EVACUATE MOBILE HOMES AS THEY MAY BE OVERTURNED. LARGE HAIL IS ALSO
EXPECTED...WHICH CAN CAUSE DAMAGE TO VEHICLES AND WINDOWS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

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

&&

LAT...LON 4451 9092 4451 9081 4445 9080 4402 9152
      4411 9171 4412 9171 4413 9174 4460 9128
      4460 9093
TIME...MOT...LOC 2135Z 218DEG 68KT 4422 9148
WIND...HAIL 80MPH 1.00IN

$$

RIECK
051 
WWUS53 KARX 102142
SVSARX

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

WIC011-053-121-102215-
/O.CON.KARX.SV.W.0013.000000T0000Z-110410T2215Z/
BUFFALO WI-JACKSON WI-TREMPEALEAU WI-
442 PM CDT SUN APR 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR TREMPEALEAU...
NORTHWESTERN JACKSON AND SOUTHEASTERN BUFFALO COUNTIES UNTIL 515 PM
CDT...

AT 437 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR NORTH CREEK...OR NEAR ARCADIA...
MOVING NORTHEAST AT 80 MPH. THIS STORM CAN PRODUCE QUARTER SIZE HAIL
AND DESTRUCTIVE WINDS IN EXCESS OF 80 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PIGEON FALLS AND PLEASANTVILLE AROUND 450 PM...
  OSSEO AND LEVIS AROUND 455 PM...
  PRICE AND REQUA AROUND 500 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO ROOFS AND WINDOWS.
EVACUATE MOBILE HOMES AS THEY MAY BE OVERTURNED. LARGE HAIL IS ALSO
EXPECTED...WHICH CAN CAUSE DAMAGE TO VEHICLES AND WINDOWS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

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

&&

LAT...LON 4451 9092 4451 9081 4445 9080 4407 9146
      4417 9168 4460 9128 4460 9093
TIME...MOT...LOC 2142Z 218DEG 68KT 4432 9136
WIND...HAIL 80MPH 1.00IN

$$

RIECK
432 
WWUS53 KARX 102154 RRA
SVSARX

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

WIC011-053-121-102215-
/O.CON.KARX.SV.W.0013.000000T0000Z-110410T2215Z/
BUFFALO WI-JACKSON WI-TREMPEALEAU WI-
454 PM CDT SUN APR 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR TREMPEALEAU...
NORTHWESTERN JACKSON AND SOUTHEASTERN BUFFALO COUNTIES UNTIL 515 PM
CDT...

AT 451 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR PIGEON FALLS...OR 8 MILES NORTHEAST
OF WHITEHALL...MOVING NORTHEAST AT 80 MPH. THIS STORM CAN PRODUCE
QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN EXCESS OF 80 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PRICE AND MERRILLAN AROUND 500 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO ROOFS AND WINDOWS.
EVACUATE MOBILE HOMES AS THEY MAY BE OVERTURNED. LARGE HAIL IS ALSO
EXPECTED...WHICH CAN CAUSE DAMAGE TO VEHICLES AND WINDOWS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

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

&&

LAT...LON 4451 9092 4451 9081 4445 9080 4407 9146
      4417 9168 4460 9128 4460 9093
TIME...MOT...LOC 2154Z 218DEG 68KT 4450 9117
WIND...HAIL 80MPH 1.00IN

$$
574 
WWUS53 KARX 102156
SVSARX

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

WIC011-102206-
/O.CAN.KARX.SV.W.0013.000000T0000Z-110410T2215Z/
BUFFALO WI-
456 PM CDT SUN APR 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BUFFALO 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 4451 9092 4451 9081 4445 9080 4425 9117
      4437 9146 4460 9128 4460 9093
TIME...MOT...LOC 2156Z 218DEG 68KT 4453 9113

$$

WIC053-121-102215-
/O.CON.KARX.SV.W.0013.000000T0000Z-110410T2215Z/
JACKSON WI-TREMPEALEAU WI-
456 PM CDT SUN APR 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
TREMPEALEAU AND NORTHWESTERN JACKSON COUNTIES UNTIL 515 PM CDT...

AT 451 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM LOCATED NEAR PIGEON FALLS...OR 8 MILES NORTHEAST
OF WHITEHALL...MOVING NORTHEAST AT 80 MPH. THIS STORM CAN PRODUCE
QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN EXCESS OF 80 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO ROOFS AND WINDOWS.
EVACUATE MOBILE HOMES AS THEY MAY BE OVERTURNED. LARGE HAIL IS ALSO
EXPECTED...WHICH CAN CAUSE DAMAGE TO VEHICLES AND WINDOWS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

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

&&

LAT...LON 4451 9092 4451 9081 4445 9080 4425 9117
      4437 9146 4460 9128 4460 9093
TIME...MOT...LOC 2156Z 218DEG 68KT 4453 9113
WIND...HAIL 80MPH 1.00IN

$$

RIECK
237 
WWUS53 KARX 102205
SVSARX

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

WIC053-121-102215-
/O.CAN.KARX.SV.W.0013.000000T0000Z-110410T2215Z/
JACKSON WI-TREMPEALEAU WI-
505 PM CDT SUN APR 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN TREMPEALEAU AND
NORTHWESTERN JACKSON COUNTIES 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 4451 9092 4451 9081 4445 9080 4425 9117
      4437 9146 4460 9128 4460 9093
TIME...MOT...LOC 2205Z 218DEG 68KT 4466 9098

$$

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, 4:32 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, 6:16 PM CDTTornado WarningARXAdams, Juneau44 min
Apr 10, 6:57 PM CDTTornado WarningARXAdams, Juneau33 min
Apr 9, 11:08 PM CDTSevere Thunderstorm WarningARXMower52 min
Apr 9, 11:15 PM CDTSevere Thunderstorm WarningARXFillmore45 min
Apr 10, 1:44 AM CDTAreal Flood AdvisoryARXFillmore, Houston, Mower, Olmsted, Winona3 hr
Apr 10, 3:39 PM CDTSevere Thunderstorm WarningARXFillmore41 min
Apr 10, 4:11 PM CDTSevere Thunderstorm WarningARXFillmore, Houston34 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2011Severe Thunderstorm Warnings in Minnesota, 2011Every severe thunderstorm warning 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.