Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 39, NWS La Crosse, WI

June 30, 2016Vernon County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 30, 2016, 3:28 PM CDT for Vernon County, Wisconsin. It was in force for 47 min. 2 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 30, 2016, 3:28 PM CDT (20:28 UTC)
Expired
Jun 30, 2016, 4:15 PM CDT
In force
47 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Vernon County, WI

The radar

The La Crosse radar (KARX), 41 km from the middle of the area, began a volume at 20:33 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 30, 3:30 PM CDTTSTM WND DMGViroqua, WITREES AND POWER LINES REPORTED DOWN IN VIROQUA.
Jun 30, 3:35 PM CDTTSTM WND GST 54Viroqua, WI

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 8.5 hours before the alert went out and 213 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 2016-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2016-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1246 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

175 
WUUS53 KARX 302028
SVRARX
WIC123-302115-
/O.NEW.KARX.SV.W.0039.160630T2028Z-160630T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
328 PM CDT THU JUN 30 2016

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN VERNON COUNTY IN SOUTHWESTERN WISCONSIN...

* UNTIL 415 PM CDT

* AT 327 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER VIROQUA...
  MOVING SOUTHEAST AT 20 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  WESTERN VERNON COUNTY...INCLUDING THE FOLLOWING LOCATIONS:
  SPRINGVILLE...VIOLA...LIBERTY...READSTOWN AND ROSS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4342 9114 4369 9091 4361 9067 4342 9067
TIME...MOT...LOC 2027Z 300DEG 19KT 4357 9088 

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

WETENKAMP
3 follow-up statements
488 
WWUS53 KARX 302032
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
332 PM CDT THU JUN 30 2016

WIC123-302115-
/O.CON.KARX.SV.W.0039.000000T0000Z-160630T2115Z/
VERNON WI-
332 PM CDT THU JUN 30 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR WESTERN VERNON COUNTY...

AT 331 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
VIROQUA...MOVING SOUTHEAST AT 20 MPH. SOME ROTATION HAS BEEN NOTED
WITH THIS STORM. 

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
VIROQUA...WESTBY...SPRINGVILLE...VIOLA...LIBERTY...READSTOWN...
ROSS...RETREAT...COUNTY ROADS B AND Y...WEST PRAIRIE...BUD...FARGO...
KICKAPOO CENTER...FOLSOM...PURDY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4342 9114 4369 9091 4361 9067 4342 9067
TIME...MOT...LOC 2031Z 300DEG 19KT 4356 9085 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

WETENKAMP
068 
WWUS53 KARX 302052
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
352 PM CDT THU JUN 30 2016

WIC123-302115-
/O.CON.KARX.SV.W.0039.000000T0000Z-160630T2115Z/
VERNON WI-
352 PM CDT THU JUN 30 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTH CENTRAL VERNON COUNTY...

AT 352 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LA FARGE...OR
9 MILES SOUTHEAST OF VIROQUA...MOVING SOUTHEAST AT 20 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...LAW ENFORCEMENT. TREES AND POWER LINES WERE REPORTED DOWN
         IN THE VIROQUA AREA. 

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

LOCATIONS IMPACTED INCLUDE...
VIOLA...LIBERTY...READSTOWN...ROSS...KICKAPOO CENTER...HIGHWAY 82 AND
COUNTY D...FOLSOM AND SUGAR GROVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4343 9086 4362 9075 4361 9067 4342 9067
TIME...MOT...LOC 2052Z 300DEG 19KT 4350 9072 

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

WETENKAMP
152 
WWUS53 KARX 302106
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
406 PM CDT THU JUN 30 2016

WIC123-302116-
/O.EXP.KARX.SV.W.0039.000000T0000Z-160630T2115Z/
VERNON WI-
406 PM CDT THU JUN 30 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL VERNON COUNTY
WILL EXPIRE AT 415 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4343 9086 4362 9075 4361 9067 4342 9067
TIME...MOT...LOC 2104Z 300DEG 19KT 4350 9072 

$$

WETENKAMP

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 12:41 PM CDTSpecial Weather StatementARXBuffalo49 min
Jun 30, 12:59 PM CDTSpecial Weather StatementARXLa Crosse61 min
Jun 30, 1:34 PM CDTSpecial Weather StatementARXTrempealeau41 min
Jun 30, 1:46 PM CDTSpecial Weather StatementARXLa Crosse44 min
Jun 30, 1:59 PM CDTAreal Flood AdvisoryARXLa Crosse2 hr
Jun 30, 3:48 PM CDTSevere Thunderstorm WarningARXCrawford, Richland66 min
Jun 30, 4:36 PM CDTSpecial Weather StatementARXGrant39 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2016Every severe thunderstorm warning in 2016

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.