Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 20, NWS Twin Cities, MN

May 25, 20214 counties in Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at May 25, 2021, 3:24 PM CDT for 4 counties in Wisconsin. It was in force for 25 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 25, 2021, 3:24 PM CDT (20:24 UTC)
Expired: May 25, 2021, 3:49 PM CDT
In force: 25 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Barron County, WI, Chippewa County, WI, Dunn County, WI, Rusk County, WI

The radar

The Minneapolis radar (KMPX), 160 km from the middle of the area, began a volume at 20:26 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
May 25, 3:38 PM CDT	TSTM WND DMG	1 Nnw New Auburn, WI	SEVERAL TREES DOWN, INCLUDING ONE PARTIALLY ON HIGHWAY 53. TIME ESTIMATED BASED ON RADAR.

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
May 25, 2:53 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.4 hours before the alert went out and 290 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: 96 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 1118 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 155 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

747 
WUUS53 KMPX 252024
SVRMPX
WIC005-017-033-107-252100-
/O.NEW.KMPX.SV.W.0020.210525T2024Z-210525T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
324 PM CDT Tue May 25 2021

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Southwestern Rusk County in northwestern Wisconsin...
  Northeastern Dunn County in west central Wisconsin...
  Northwestern Chippewa County in west central Wisconsin...
  Southeastern Barron County in northwestern Wisconsin...

* Until 400 PM CDT.

* At 324 PM CDT, a severe thunderstorm was located over Chetek, or 14
  miles south of Rice Lake, moving northeast at 40 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.

* Locations impacted include...
  Weyerhaeuser.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4511 9177 4521 9188 4555 9147 4534 9119
TIME...MOT...LOC 2024Z 231DEG 36KT 4529 9164 

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

Dye

2 follow-up statements

666 
WWUS53 KMPX 252036
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
336 PM CDT Tue May 25 2021

WIC033-252045-
/O.CAN.KMPX.SV.W.0020.000000T0000Z-210525T2100Z/
Dunn WI-
336 PM CDT Tue May 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DUNN COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northwestern and west central Wisconsin.

LAT...LON 4515 9166 4516 9167 4521 9167 4521 9173
      4526 9178 4555 9147 4534 9119
TIME...MOT...LOC 2035Z 231DEG 36KT 4536 9151 

$$

WIC005-017-107-252100-
/O.CON.KMPX.SV.W.0020.000000T0000Z-210525T2100Z/
Rusk WI-Chippewa WI-Barron WI-
336 PM CDT Tue May 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT
FOR SOUTHWESTERN RUSK...NORTHWESTERN CHIPPEWA AND SOUTHEASTERN BARRON
COUNTIES...

At 335 PM CDT, a severe thunderstorm was located 6 miles southwest of
Weyerhaeuser, or 14 miles southeast of Rice Lake, moving northeast at
40 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.

Locations impacted include...
Chetek, New Auburn, Weyerhaeuser and Island Lake. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4515 9166 4516 9167 4521 9167 4521 9173
      4526 9178 4555 9147 4534 9119
TIME...MOT...LOC 2035Z 231DEG 36KT 4536 9151 

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

Dye

630 
WWUS53 KMPX 252049
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
349 PM CDT Tue May 25 2021

WIC005-017-107-252058-
/O.CAN.KMPX.SV.W.0020.000000T0000Z-210525T2100Z/
Rusk WI-Chippewa WI-Barron WI-
349 PM CDT Tue May 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN RUSK...
NORTHWESTERN CHIPPEWA AND SOUTHEASTERN BARRON COUNTIES IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northwestern and west central Wisconsin.

A Severe Thunderstorm Warning remains in effect for Southern Rusk 
and Northern Chippewa Counties until 430 PM CDT.

LAT...LON 4515 9166 4516 9167 4521 9167 4521 9173
      4526 9178 4555 9147 4534 9119
TIME...MOT...LOC 2047Z 231DEG 36KT 4544 9136 

$$

Dye

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 25, 2:59 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Dunn, Saint Croix	31 min
May 25, 3:42 PM CDT	Severe Thunderstorm Warning	MPX	Pepin	21 min
May 25, 3:46 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Rusk	44 min
May 25, 4:44 PM CDT	Special Weather Statement	MPX	Chippewa	46 min
May 25, 4:49 PM CDT	Special Weather Statement	MPX	Eau Claire	41 min
May 25, 4:50 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa	25 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2021 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.