Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 72, NWS La Crosse, WI

May 17, 2017Houston County, Minnesota; Vernon County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at May 17, 2017, 4:53 PM CDT for Houston County, Minnesota; Vernon County, Wisconsin. It was in force for 38 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
May 17, 2017, 4:53 PM CDT (21:53 UTC)
Expired
May 17, 2017, 5:31 PM CDT
In force
38 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Houston County, MN, Vernon County, WI

The radar

The La Crosse radar (KARX), 35 km from the middle of the area, began a volume at 21:51 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
May 17, 4:54 PM CDTTSTM WND GST 40De Soto, 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
May 17, 3:13 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 9.9 hours before the alert went out and 217 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, Davenport, at 12:00Z on 2017-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 103 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, Davenport, at 12:00Z on 2017-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 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
103 J/kg
Mixed-layer CIN
-348 J/kg
Mixed-layer LCL
1223 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

330 
WUUS53 KARX 172153
SVRARX
MNC055-WIC123-172245-
/O.NEW.KARX.SV.W.0072.170517T2153Z-170517T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service La Crosse WI
453 PM CDT WED MAY 17 2017

The National Weather Service in La Crosse has issued a

* Severe Thunderstorm Warning for...
  Southeastern Houston County in southeastern Minnesota...
  Western Vernon County in southwestern Wisconsin...

* Until 545 PM CDT

* At 452 PM CDT, severe thunderstorms were located along a line 
  extending from 6 miles northeast of New Albin to 6 miles southwest 
  of Viroqua, moving north at 55 mph. Additional storms are further 
  south and will be moving through as well. 

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Law enforcement. These storms have a history of wind 
           damage. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Severe thunderstorms will be near...
  Stoddard around 500 PM CDT. 
  Coon Valley and Westby around 505 PM CDT. 

Other locations impacted by these severe thunderstorms include
Newton, Springville, Reno, De Soto and Chaseburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 1100 PM CDT for northeastern
Iowa...southeastern Minnesota...and southwestern and west central
Wisconsin.

LAT...LON 4342 9095 4342 9120 4345 9123 4348 9122
      4350 9122 4350 9132 4373 9126 4372 9082
TIME...MOT...LOC 2152Z 187DEG 50KT 4355 9119 4351 9101 

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

DAB
3 follow-up statements
515 
WWUS53 KARX 172201
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
501 PM CDT WED MAY 17 2017

MNC055-WIC123-172245-
/O.CON.KARX.SV.W.0072.000000T0000Z-170517T2245Z/
Houston MN-Vernon WI-
501 PM CDT WED MAY 17 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR SOUTHEASTERN HOUSTON AND WESTERN VERNON COUNTIES...

At 500 PM CDT, severe thunderstorms were located along a line
extending from near Stoddard to 6 miles west of Viroqua, moving north
at 45 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts. 

SOURCE...Law enforcement. These storms have a history of wind 
         damage. 

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. 

These severe storms will be near...
  Stoddard around 505 PM CDT. 
  Westby around 510 PM CDT. 
  Coon Valley around 515 PM CDT. 

Other locations impacted by these severe thunderstorms include
Newton, Springville, De Soto, Chaseburg and Genoa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 1100 PM CDT for northeastern
Iowa...southeastern Minnesota...and southwestern and west central
Wisconsin.

LAT...LON 4342 9095 4342 9120 4345 9123 4348 9122
      4350 9122 4350 9129 4373 9125 4372 9082
TIME...MOT...LOC 2200Z 182DEG 40KT 4360 9120 4356 9102 

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

DAB
681 
WWUS53 KARX 172216
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
516 PM CDT WED MAY 17 2017

MNC055-172226-
/O.CAN.KARX.SV.W.0072.000000T0000Z-170517T2245Z/
Houston MN-
516 PM CDT WED MAY 17 2017

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

The storms which prompted the warning have moved out of the warned 
area.Therefore, the warning has been cancelled.

A tornado watch remains in effect until 1100 PM CDT for southeastern
Minnesota...and southwestern and west central Wisconsin.

LAT...LON 4342 9095 4352 9107 4352 9114 4355 9123
      4373 9125 4373 9112 4372 9082
TIME...MOT...LOC 2216Z 201DEG 37KT 4371 9112 4367 9094 

$$

WIC123-172245-
/O.CON.KARX.SV.W.0072.000000T0000Z-170517T2245Z/
Vernon WI-
516 PM CDT WED MAY 17 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR WESTERN VERNON COUNTY...

At 516 PM CDT, severe thunderstorms were located along a line
extending from near Coon Valley to near Westby, moving north at 40
mph.

HAZARD...60 mph wind gusts and penny size hail. 

SOURCE...Law enforcement. 

IMPACT...Expect damage to roofs, siding, and trees. 

these severe thunderstorms will remain over mainly rural areas of
western Vernon County, including the following locations: Newton,
Springville, Chaseburg, Genoa and Brinkman Ridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 1100 PM CDT for southeastern
Minnesota...and southwestern and west central Wisconsin.

LAT...LON 4342 9095 4352 9107 4352 9114 4355 9123
      4373 9125 4373 9112 4372 9082
TIME...MOT...LOC 2216Z 201DEG 37KT 4371 9112 4367 9094 

HAIL...0.75IN
WIND...60MPH
 
$$

DAB
287 
WWUS53 KARX 172231
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
531 PM CDT WED MAY 17 2017

WIC123-172240-
/O.CAN.KARX.SV.W.0072.000000T0000Z-170517T2245Z/
Vernon WI-
531 PM CDT WED MAY 17 2017

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN VERNON COUNTY IS
CANCELLED...
            
The storms which prompted the warning have weakened below severe 
limits, and no longer pose an immediate threat to life or property.
Therefore the warning has been cancelled.

A severe thunderstorm warning remains in effect for eastern Vernon 
county. 

A tornado watch remains in effect until 1100 PM CDT for southeastern
Minnesota...and southwestern and west central Wisconsin.

LAT...LON 4342 9095 4352 9107 4352 9114 4355 9123
      4373 9125 4373 9112 4372 9082
TIME...MOT...LOC 2228Z 187DEG 50KT 4389 9109 4385 9091 

$$

DAB

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 8:53 PM CDTSevere Thunderstorm WarningARXWabasha52 min
May 16, 9:10 PM CDTSevere Thunderstorm WarningARXOlmsted, Wabasha37 min
May 16, 11:12 PM CDTSevere Thunderstorm WarningARXFillmore40 min
May 16, 11:17 PM CDTFlash Flood WarningARXOlmsted, Wabasha, Winona4 hr
May 17, 11:33 AM CDTSpecial Weather StatementARXFillmore, Houston, Winona57 min
May 17, 12:09 PM CDTSpecial Weather StatementARXHouston51 min
May 17, 2:50 PM CDTSpecial Weather StatementARXDodge, Fillmore, Mower, Olmsted115 min
May 17, 3:02 PM CDTSpecial Weather StatementARXDodge, Fillmore, Mower, Olmsted103 min
May 17, 3:50 PM CDTSevere Thunderstorm WarningARXFillmore, Olmsted, Winona40 min
May 17, 4:12 PM CDTSevere Thunderstorm WarningARXFillmore, Houston48 min
May 17, 4:29 PM CDTSevere Thunderstorm WarningARXWinona46 min
May 17, 4:41 PM CDTSevere Thunderstorm WarningARXWinona49 min
May 17, 5:10 PM CDTAreal Flood AdvisoryARXWinona50 min
May 17, 6:35 PM CDTSevere Thunderstorm WarningARXFillmore, Mower40 min
May 17, 6:44 PM CDTSevere Thunderstorm WarningARXFillmore46 min
May 16, 7:16 PM CDTSevere Thunderstorm WarningARXBuffalo44 min
May 16, 7:47 PM CDTSevere Thunderstorm WarningARXTrempealeau28 min
May 16, 8:38 PM CDTSevere Thunderstorm WarningARXBuffalo, Trempealeau52 min
May 16, 8:47 PM CDTSevere Thunderstorm WarningARXClark, Taylor28 min
May 16, 9:33 PM CDTSevere Thunderstorm WarningARXBuffalo, Trempealeau72 min
May 16, 9:44 PM CDTFlash Flood WarningARXBuffalo, Trempealeau4 hr
May 16, 9:57 PM CDTSevere Thunderstorm WarningARXClark, Jackson93 min
May 16, 11:07 PM CDTRiver Flood WarningARXBuffalo, Trempealeau9 days
May 17, 12:04 AM CDTFlash Flood WarningARXBuffalo, Jackson, Trempealeau116 min
May 17, 12:08 AM CDTSevere Thunderstorm WarningARXJackson, La Crosse, Trempealeau37 min
May 17, 1:51 AM CDTAreal Flood WarningARXBuffalo, Jackson, Trempealeau6 hr
May 17, 7:03 AM CDTAreal Flood WarningARXBuffalo, Jackson, Trempealeau39 hr
May 17, 9:22 AM CDTRiver Flood WarningARXJackson4 days
May 17, 9:22 AM CDTRiver Flood WarningARXLa Crosse, Trempealeau5 days
May 17, 9:28 AM CDTRiver Flood WarningARXBuffalo, Trempealeau66 hr
May 17, 12:54 PM CDTSpecial Weather StatementARXClark, Jackson, Trempealeau51 min
May 17, 1:20 PM CDTSpecial Weather StatementARXClark25 min
May 17, 1:42 PM CDTSpecial Weather StatementARXClark63 min
May 17, 2:16 PM CDTSpecial Weather StatementARXTaylor29 min
May 17, 2:48 PM CDTSpecial Weather StatementARXAdams, Juneau27 min
May 17, 4:22 PM CDTSevere Thunderstorm WarningARXCrawford38 min
May 17, 5:06 PM CDTSevere Thunderstorm WarningARXCrawford, Grant, Richland, Vernon39 min
May 17, 5:09 PM CDTTornado WarningARXLa Crosse20 min
May 17, 5:17 PM CDTAreal Flood AdvisoryARXLa Crosse58 min
May 17, 5:24 PM CDTSevere Thunderstorm WarningARXLa Crosse, Monroe51 min
May 17, 5:26 PM CDTSevere Thunderstorm WarningARXJackson, La Crosse, Monroe, Trempealeau49 min
May 17, 5:31 PM CDTTornado WarningARXJackson24 min
May 17, 5:43 PM CDTSevere Thunderstorm WarningARXRichland, Vernon33 min
May 17, 5:46 PM CDTTornado WarningARXRichland, Vernon17 min
May 17, 5:52 PM CDTSevere Thunderstorm WarningARXClark, Jackson38 min
May 17, 5:55 PM CDTSevere Thunderstorm WarningARXJackson, Juneau, Monroe65 min
May 17, 6:04 PM CDTTornado WarningARXClark, Jackson23 min
May 17, 6:07 PM CDTTornado WarningARXJackson, Juneau, Monroe16 min
May 17, 6:26 PM CDTSevere Thunderstorm WarningARXAdams34 min
May 17, 6:29 PM CDTSevere Thunderstorm WarningARXClark31 min
May 17, 6:39 PM CDTSevere Thunderstorm WarningARXClark, Taylor66 min
May 17, 6:56 PM CDTSevere Thunderstorm WarningARXAdams14 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2017Severe Thunderstorm Warnings in Wisconsin, 2017Every severe thunderstorm warning in 2017

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.