Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 21, NWS La Crosse, WI

June 29, 2015La Crosse County, Wisconsin; Houston County, Winona County, Minnesota

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 29, 2015, 4:57 PM CDT for La Crosse County, Wisconsin; Houston County, Winona County, Minnesota. It was in force for 33 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 29, 2015, 4:57 PM CDT (21:57 UTC)
Expired
Jun 29, 2015, 5:30 PM CDT
In force
33 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Hail
1.75 in
Wind
60.0 mph

Counties Houston County, MN, Winona County, MN, La Crosse County, WI

The radar

The La Crosse radar (KARX), 14 km from the middle of the area, began a volume at 22:00 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
Jun 29, 5:12 PM CDTHAIL 13 W La Crescent, MN
Jun 29, 5:16 PM CDTHAIL 1.53 W La Crescent, MNAT WXOW TELEVISION STUDIOS
Jun 29, 5:20 PM CDTHAIL 1.54 W La Crescent, MNPLUS WIND GUSTS OF 45 KTS
Jun 29, 5:30 PM CDTHAIL 0.252 N Brownsville, 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.

IssuedProductOfficeLasted
Jun 29, 1:57 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.0 hours before the alert went out and 211 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 2015-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 160 joules per kilogram.LCLLFCEL10008507005003002001001 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 2015-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.193958Sfc1 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
160 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1297 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

211 
WUUS53 KARX 292157
SVRARX
MNC055-169-WIC063-292230-
/O.NEW.KARX.SV.W.0021.150629T2157Z-150629T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
457 PM CDT MON JUN 29 2015

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN HOUSTON COUNTY IN SOUTHEASTERN MINNESOTA...
  SOUTHEASTERN WINONA COUNTY IN SOUTHEASTERN MINNESOTA...
  CENTRAL LA CROSSE COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 530 PM CDT

* AT 456 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER 
  DAKOTA...MOVING SOUTH AT 25 MPH.

  HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...TRAINED WEATHER SPOTTERS. THIS STORM HAS A HISTORY OF 
           PRODUCING HAIL UP TO GOLF BALL SIZE. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT 
           WIND DAMAGE TO ROOFS...SIDING AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  ONALASKA AROUND 500 PM CDT.
  LA CRESCENT AROUND 505 PM CDT.
  LA CROSSE AND FRENCH ISLAND AROUND 510 PM CDT.
  HOKAH AROUND 515 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE MOUND
PRAIRIE...DRESBACH...HIGHWAY 33 AND COUNTY O A...BLUE BIRD CAMPGROUND
AND NODINE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4373 9099 4373 9154 4393 9156 4398 9142
      4399 9132 4402 9135 4406 9124 4405 9122
      4407 9121
TIME...MOT...LOC 2156Z 341DEG 23KT 4389 9137 

HAIL...1.75IN
WIND...60MPH
 
$$

ROGERS
2 follow-up statements
925 
WWUS53 KARX 292212
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
512 PM CDT MON JUN 29 2015

MNC055-169-WIC063-292230-
/O.CON.KARX.SV.W.0021.000000T0000Z-150629T2230Z/
HOUSTON MN-WINONA MN-LA CROSSE WI-
512 PM CDT MON JUN 29 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTHEASTERN HOUSTON...SOUTHEASTERN WINONA AND SOUTHWESTERN LA
CROSSE COUNTIES...

AT 512 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER HOKAH...OR
OVER LA CRESCENT...AND IS NEARLY STATIONARY.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

THIS SEVERE STORM WILL BE NEAR...
  LA CROSSE AND HOKAH AROUND 515 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE MOUND
PRAIRIE...DRESBACH...HIGHWAY 33 AND COUNTY O A...BLUE BIRD CAMPGROUND
AND COUNTY 9 AND SATHER VALLEY ROAD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4373 9099 4373 9154 4388 9155 4389 9142
      4392 9131 4396 9114
TIME...MOT...LOC 2212Z 341DEG 23KT 4379 9132 

HAIL...1.00IN
WIND...60MPH
 
$$

ROGERS
177 
WWUS53 KARX 292220
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
520 PM CDT MON JUN 29 2015

MNC055-169-WIC063-292230-
/O.CON.KARX.SV.W.0021.000000T0000Z-150629T2230Z/
HOUSTON MN-WINONA MN-LA CROSSE WI-
520 PM CDT MON JUN 29 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTHEASTERN HOUSTON...SOUTHEASTERN WINONA AND SOUTHWESTERN LA
CROSSE COUNTIES...

AT 519 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER HOKAH...OR
NEAR LA CROSSE...MOVING SOUTH AT 25 MPH.

HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

SOURCE...PUBLIC REPORTED PING PONG BALL SIZED HAIL AT WXOW TV 3 
         MILES WEST OF LA CRESCENT.  

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT 
         WIND DAMAGE TO ROOFS...SIDING AND TREES. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHEASTERN HOUSTON...SOUTHEASTERN WINONA AND SOUTHWESTERN LA CROSSE
COUNTIES...INCLUDING THE FOLLOWING LOCATIONS...MOUND PRAIRIE...
HIGHWAY 33 AND COUNTY O A...HIGHWAYS 14 61 AND COUNTY M M...BLUE BIRD
CAMPGROUND AND GOOSE ISLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4373 9105 4373 9154 4385 9155 4387 9140
      4389 9127 4391 9117
TIME...MOT...LOC 2219Z 341DEG 23KT 4375 9130 

HAIL...1.50IN
WIND...60MPH
 
$$

ROGERS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 2:31 PM CDTSpecial Weather StatementARXTaylor44 min
Jun 29, 2:35 PM CDTSpecial Weather StatementARXBuffalo25 min
Jun 29, 2:59 PM CDTSpecial Weather StatementARXJackson, Trempealeau46 min
Jun 29, 3:09 PM CDTSpecial Weather StatementARXClark, Taylor21 min
Jun 29, 3:24 PM CDTSevere Thunderstorm WarningARXBuffalo, Jackson, Trempealeau51 min
Jun 29, 3:40 PM CDTSpecial Weather StatementARXClark65 min
Jun 29, 3:48 PM CDTSpecial Weather StatementARXJackson, Trempealeau27 min
Jun 29, 4:28 PM CDTSevere Thunderstorm WarningARXBuffalo, La Crosse, Trempealeau32 min
Jun 29, 5:20 PM CDTSevere Thunderstorm WarningARXVernon55 min
Jun 29, 6:06 PM CDTSevere Thunderstorm WarningARXCrawford54 min
Jun 29, 6:40 PM CDTSevere Thunderstorm WarningARXCrawford, Grant50 min
Jun 29, 6:22 PM CDTSpecial Weather StatementARXFillmore, Houston, Wabasha, Winona23 min
Jun 29, 6:53 PM CDTSpecial Weather StatementARXHouston37 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015Severe Thunderstorm Warnings in Wisconsin, 2015Every severe thunderstorm warning in 2015

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.