Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 113, NWS La Crosse, WI

August 18, 20144 counties in Minnesota; La Crosse County, Vernon County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Aug 18, 2014, 9:05 PM CDT for 4 counties in Minnesota; La Crosse County, Vernon County, Wisconsin. It was in force for 40 min. 1 report 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: Aug 18, 2014, 9:05 PM CDT (02:05 UTC)
Expired: Aug 18, 2014, 9:45 PM CDT
In force: 40 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Fillmore County, MN, Houston County, MN, Olmsted County, MN, Winona County, MN, La Crosse County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 28 km from the middle of the area, began a volume at 02:06 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

Time	Report	Where	Remark
Aug 18, 9:50 PM CDT	TSTM WND GST 48	1 N French Island, WI	ASOS STATION LA CROSSE REGIONAL AIRPORT /LSE/

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.

Issued	Product	Office	Lasted
Aug 18, 7:44 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.1 hours before the alert went out and 195 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 238 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 1787 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 105 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

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

033 
WUUS53 KARX 190205
SVRARX
MNC045-055-109-169-WIC063-123-190245-
/O.NEW.KARX.SV.W.0113.140819T0205Z-140819T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
905 PM CDT MON AUG 18 2014

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN FILLMORE COUNTY IN SOUTHEAST MINNESOTA...
  SOUTHEASTERN OLMSTED COUNTY IN SOUTHEAST MINNESOTA...
  NORTHERN HOUSTON COUNTY IN SOUTHEAST MINNESOTA...
  WINONA COUNTY IN SOUTHEAST MINNESOTA...
  NORTHWESTERN VERNON COUNTY IN SOUTHWEST WISCONSIN...
  LA CROSSE COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 945 PM CDT

* AT 904 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR ARCADIA TO NEAR CHATFIELD...MOVING EAST AT 40
  MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  LEWISTON AROUND 920 PM CDT.
  RUSHFORD AROUND 930 PM CDT.
  CALEDONIA...HOUSTON AND HOKAH AROUND 945 PM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
BURNS...WILSON...SARATOGA...MOUND PRAIRIE AND MONEY CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4376 9227 4414 9177 4413 9173 4410 9171
      4403 9159 4401 9146 4398 9142 4399 9132
      4402 9134 4406 9131 4407 9127 4405 9122
      4409 9119 4407 9115 4407 9091 4392 9091
      4361 9132
TIME...MOT...LOC 0204Z 278DEG 36KT 4420 9157 4385 9213 

HAIL...<.75IN
WIND...60MPH

$$

JSB

5 follow-up statements

949 
WWUS53 KARX 190214
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
914 PM CDT MON AUG 18 2014

MNC045-055-109-169-WIC063-123-190245-
/O.CON.KARX.SV.W.0113.000000T0000Z-140819T0245Z/
FILLMORE MN-OLMSTED MN-HOUSTON MN-WINONA MN-VERNON WI-LA CROSSE WI-
914 PM CDT MON AUG 18 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR NORTHEASTERN FILLMORE...SOUTHEASTERN OLMSTED...NORTHERN
HOUSTON...WINONA...NORTHWESTERN VERNON AND LA CROSSE COUNTIES...

AT 913 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES SOUTH OF ARCADIA TO 8 MILES EAST OF
CHATFIELD...MOVING EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  BRICE PRAIRIE AROUND 935 PM CDT.
  HOLMEN...ONALASKA AND TOWN OF HOLLAND AROUND 940 PM CDT.
  CALEDONIA AND HOUSTON AROUND 945 PM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
BURNS...WILSON...SARATOGA...MOUND PRAIRIE AND MONEY CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4376 9227 4414 9177 4413 9173 4410 9171
      4403 9159 4401 9146 4398 9142 4399 9132
      4402 9134 4406 9131 4407 9127 4405 9122
      4409 9119 4407 9115 4407 9091 4392 9091
      4361 9132
TIME...MOT...LOC 0213Z 283DEG 33KT 4415 9153 4384 9202 

HAIL...<.75IN
WIND...60MPH

$$

JSB

511 
WWUS53 KARX 190221
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
921 PM CDT MON AUG 18 2014

MNC045-055-109-169-WIC063-123-190245-
/O.CON.KARX.SV.W.0113.000000T0000Z-140819T0245Z/
FILLMORE MN-OLMSTED MN-HOUSTON MN-WINONA MN-VERNON WI-LA CROSSE WI-
921 PM CDT MON AUG 18 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR NORTHEASTERN FILLMORE...SOUTHEASTERN OLMSTED...NORTHERN
HOUSTON...WINONA...NORTHWESTERN VERNON AND LA CROSSE COUNTIES...

AT 921 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR GALESVILLE TO 7 MILES NORTH OF LANESBORO...MOVING
EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  BRICE PRAIRIE AROUND 935 PM CDT.
  HOLMEN...ONALASKA AND TOWN OF HOLLAND AROUND 940 PM CDT.
  CALEDONIA AND HOUSTON AROUND 945 PM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
BURNS...WILSON...SARATOGA...MOUND PRAIRIE AND MONEY CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4376 9227 4414 9177 4413 9173 4410 9171
      4403 9159 4401 9146 4398 9142 4399 9132
      4402 9134 4406 9131 4407 9127 4405 9122
      4409 9119 4407 9115 4407 9091 4392 9091
      4361 9132
TIME...MOT...LOC 0221Z 283DEG 33KT 4413 9143 4382 9192 

HAIL...<.75IN
WIND...60MPH

$$

JSB

419 
WWUS53 KARX 190231
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
931 PM CDT MON AUG 18 2014

MNC109-190241-
/O.CAN.KARX.SV.W.0113.000000T0000Z-140819T0245Z/
OLMSTED MN-
931 PM CDT MON AUG 18 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OLMSTED COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT
TUESDAY MORNING FOR SOUTHEASTERN MINNESOTA...SOUTHWEST WISCONSIN AND
NORTHEAST IOWA.

LAT...LON 4375 9209 4411 9171 4410 9171 4403 9159
      4401 9146 4398 9142 4399 9132 4402 9134
      4406 9131 4407 9127 4405 9122 4409 9119
      4407 9115 4407 9091 4392 9091 4361 9132
TIME...MOT...LOC 0231Z 286DEG 32KT 4409 9137 4380 9182 

$$

MNC045-055-169-WIC063-123-190245-
/O.CON.KARX.SV.W.0113.000000T0000Z-140819T0245Z/
FILLMORE MN-HOUSTON MN-WINONA MN-VERNON WI-LA CROSSE WI-
931 PM CDT MON AUG 18 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR NORTHEASTERN FILLMORE...NORTHERN HOUSTON...SOUTHERN WINONA...
NORTHWESTERN VERNON AND LA CROSSE COUNTIES...

AT 931 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM GALESVILLE TO NEAR RUSHFORD...MOVING EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  DAKOTA AROUND 935 PM CDT.
  BRICE PRAIRIE AROUND 940 PM CDT.
  HOLMEN...ONALASKA...CALEDONIA...HOUSTON...TOWN OF HOLLAND 
  AND WEST SALEM AROUND 945 PM CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
BURNS...WILSON...MOUND PRAIRIE...MONEY CREEK AND DRESBACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4375 9209 4411 9171 4410 9171 4403 9159
      4401 9146 4398 9142 4399 9132 4402 9134
      4406 9131 4407 9127 4405 9122 4409 9119
      4407 9115 4407 9091 4392 9091 4361 9132
TIME...MOT...LOC 0231Z 286DEG 32KT 4409 9137 4380 9182 

HAIL...<.75IN
WIND...60MPH

$$

JSB

272 
WWUS53 KARX 190239
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
939 PM CDT MON AUG 18 2014

MNC045-055-169-WIC063-123-190245-
/O.CON.KARX.SV.W.0113.000000T0000Z-140819T0245Z/
FILLMORE MN-HOUSTON MN-WINONA MN-VERNON WI-LA CROSSE WI-
939 PM CDT MON AUG 18 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR NORTHEASTERN FILLMORE...NORTHERN HOUSTON...SOUTHEASTERN WINONA...
NORTHWESTERN VERNON AND LA CROSSE COUNTIES...

AT 939 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR GALESVILLE TO RUSHFORD...MOVING EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  HOLMEN...ONALASKA...TOWN OF HOLLAND AND BRICE PRAIRIE AROUND 945 PM
CDT.

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
BURNS...MOUND PRAIRIE...MONEY CREEK...DRESBACH AND HART.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4373 9197 4403 9159 4401 9146 4398 9142
      4399 9132 4402 9134 4406 9131 4407 9127
      4405 9122 4409 9119 4407 9115 4407 9091
      4392 9091 4361 9132
TIME...MOT...LOC 0239Z 278DEG 36KT 4408 9130 4379 9175 

HAIL...<.75IN
WIND...60MPH

$$

JSB

313 
WWUS53 KARX 190244
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
944 PM CDT MON AUG 18 2014

MNC045-055-169-WIC063-123-190254-
/O.EXP.KARX.SV.W.0113.000000T0000Z-140819T0245Z/
FILLMORE MN-HOUSTON MN-WINONA MN-VERNON WI-LA CROSSE WI-
944 PM CDT MON AUG 18 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FILLMORE...
NORTHERN HOUSTON...SOUTHEASTERN WINONA...NORTHWESTERN VERNON AND LA
CROSSE COUNTIES WILL EXPIRE AT 945 PM CDT...
            
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR
PROPERTY. THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT
TUESDAY MORNING FOR SOUTHEASTERN MINNESOTA...SOUTHWEST WISCONSIN AND
NORTHEAST IOWA.

LAT...LON 4373 9197 4403 9159 4401 9146 4398 9142
      4399 9132 4402 9134 4406 9131 4407 9127
      4405 9122 4409 9119 4407 9115 4407 9091
      4392 9091 4361 9132
TIME...MOT...LOC 0241Z 278DEG 36KT 4408 9130 4379 9175 

$$

JSB

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 18, 7:35 PM CDT	Severe Thunderstorm Warning	ARX	Dodge, Olmsted, Wabasha	40 min
Aug 18, 8:20 PM CDT	Severe Thunderstorm Warning	ARX	Olmsted, Wabasha	40 min
Aug 18, 8:24 PM CDT	Severe Thunderstorm Warning	ARX	Mower	51 min
Aug 18, 8:50 PM CDT	Special Weather Statement	ARX	Fillmore, Houston, Winona	25 min
Aug 18, 9:33 PM CDT	Areal Flood Advisory	ARX	Houston, Winona	117 min
Aug 18, 9:07 PM CDT	Special Weather Statement	ARX	Taylor	23 min
Aug 18, 9:25 PM CDT	Special Weather Statement	ARX	Trempealeau	35 min
Aug 18, 9:30 PM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	45 min
Aug 18, 10:04 PM CDT	Special Weather Statement	ARX	Monroe, Vernon	56 min
Aug 18, 10:33 PM CDT	Special Weather Statement	ARX	Monroe, Vernon	57 min
Aug 18, 10:58 PM CDT	Special Weather Statement	ARX	Adams, Crawford, Grant, Juneau, Richland, Vernon	62 min
Aug 18, 11:29 PM CDT	Special Weather Statement	ARX	Adams, Grant, Richland, Sauk	61 min
Aug 19, 12:34 AM CDT	Special Weather Statement	ARX	Grant	86 min
Aug 19, 4:05 AM CDT	Dense Fog Advisory	ARX	Clark, Jackson, Taylor	3 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 2014 Severe Thunderstorm Warnings in Wisconsin, 2014 Every severe thunderstorm warning in 2014

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.