Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 22, NWS La Crosse, WI

June 11, 2021Clark County, Taylor County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 11, 2021, 1:49 PM CDT for Clark County, Taylor County, Wisconsin. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 11, 2021, 1:49 PM CDT (18:49 UTC)
Expired
Jun 11, 2021, 2:15 PM CDT
In force
26 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Clark County, WI, Taylor County, WI

The radar

The La Crosse radar (KARX), 136 km from the middle of the area, began a volume at 18:49 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.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 6.8 hours before the alert went out and 212 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, Green Bay/Straub, WI at 12:00Z on 2021-06-11Temperature 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, Green Bay/Straub, WI at 12:00Z on 2021-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939Sfc1 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
1468 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

091 
WUUS53 KARX 111849
SVRARX
WIC019-119-111915-
/O.NEW.KARX.SV.W.0022.210611T1849Z-210611T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service La Crosse WI
149 PM CDT Fri Jun 11 2021

The National Weather Service in La Crosse has issued a

* Severe Thunderstorm Warning for...
  Northwestern Clark County in central Wisconsin...
  Southwestern Taylor County in north central Wisconsin...

* Until 215 PM CDT.

* At 149 PM CDT, a severe thunderstorm was located near Thorp, or 26
  miles west of Medford, moving east at 15 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Thorp around 155 PM CDT.

Other locations impacted by this severe thunderstorm include Withee,
Lublin, County O And Sterling Avenue, Junction, Eidsvold, Reseburg
and Highway 64 And County D D.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4492 9043 4489 9092 4491 9093 4508 9092
      4521 9052
TIME...MOT...LOC 1849Z 257DEG 14KT 4500 9085 

HAIL...1.25IN
WIND...60MPH
 
$$

Skow
2 follow-up statements
738 
WWUS53 KARX 111905
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
205 PM CDT Fri Jun 11 2021

WIC019-119-111915-
/O.CON.KARX.SV.W.0022.000000T0000Z-210611T1915Z/
Clark WI-Taylor WI-
205 PM CDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR NORTHWESTERN CLARK AND SOUTHWESTERN TAYLOR COUNTIES...

At 205 PM CDT, a severe thunderstorm was located near Thorp, or 22
miles southwest of Medford, moving east at 15 mph.

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...
  Owen around 230 PM CDT.

Other locations impacted by this severe thunderstorm include Withee,
Lublin, County O And Sterling Avenue, Junction, Eidsvold, Reseburg
and Highway 64 And County D D.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4492 9043 4489 9092 4491 9093 4508 9092
      4521 9052
TIME...MOT...LOC 1905Z 257DEG 14KT 4501 9076 

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

Skow
220 
WWUS53 KARX 111914
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
214 PM CDT Fri Jun 11 2021

WIC019-119-111924-
/O.EXP.KARX.SV.W.0022.000000T0000Z-210611T1915Z/
Clark WI-Taylor WI-
214 PM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CLARK AND
SOUTHWESTERN TAYLOR COUNTIES WILL EXPIRE AT 215 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

LAT...LON 4492 9043 4489 9092 4491 9093 4508 9092
      4521 9052
TIME...MOT...LOC 1914Z 257DEG 14KT 4502 9072 

$$

Skow

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 1:34 PM CDTSpecial Weather StatementARXJackson26 min
Jun 11, 2:07 PM CDTSpecial Weather StatementARXTaylor23 min
Jun 11, 2:23 PM CDTSpecial Weather StatementARXJuneau37 min
Jun 11, 2:24 PM CDTSpecial Weather StatementARXTaylor36 min
Jun 11, 2:50 PM CDTSpecial Weather StatementARXAdams25 min
Jun 11, 2:57 PM CDTSpecial Weather StatementARXAdams33 min
Jun 11, 3:43 PM CDTSpecial Weather StatementARXAdams32 min
Jun 11, 6:30 PM CDTSpecial Weather StatementARXClark, Crawford, Jackson, La Crosse, Monroe, Richland and 2 more60 min
Jun 11, 6:38 PM CDTSevere Thunderstorm WarningARXMonroe, Vernon37 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2021Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.