Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 22, NWS Twin Cities, MN

May 25, 2021Chippewa County, Rusk County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at May 25, 2021, 3:46 PM CDT for Chippewa County, Rusk County, Wisconsin. It was in force for 44 min. 3 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: May 25, 2021, 3:46 PM CDT (20:46 UTC)
Expired: May 25, 2021, 4:30 PM CDT
In force: 44 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Chippewa County, WI, Rusk County, WI

The radar

The La Crosse radar (KARX), 166 km from the middle of the area, began a volume at 20:46 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, 3:48 PM CDT	TSTM WND DMG	7 Ene New Auburn, WI	TREE DOWN PARTIALLY ACROSS ROAD. TIME ESTIMATED BASED ON RADAR.
May 25, 3:58 PM CDT	TSTM WND DMG	9 Sw Conrath, WI	SEVERAL TREES DOWN, INCLUDING ACROSS A ROAD. TIME ESTIMATED BASED ON RADAR.
May 25, 4:12 PM CDT	TSTM WND DMG	Sheldon, WI	ABOUT ONE DOZEN TREES BROKEN OR UPROOTED IN SHELDON. MORE TREES WERE ALSO REPORTED DOWN OUTSIDE SHELDON PER LAW ENFORCEMENT. 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, 8.8 hours before the alert went out and 257 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.

007 
WUUS53 KMPX 252046
SVRMPX
WIC017-107-252130-
/O.NEW.KMPX.SV.W.0022.210525T2046Z-210525T2130Z/

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

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Southeastern Rusk County in northwestern Wisconsin...
  Northern Chippewa County in west central Wisconsin...

* Until 430 PM CDT.

* At 346 PM CDT, a severe thunderstorm was located 8 miles northeast
  of New Auburn, or 21 miles southwest of Ladysmith, moving east at
  45 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...
  Sheldon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4537 9092 4522 9093 4517 9153 4521 9155
      4530 9154 4551 9092 4538 9085
TIME...MOT...LOC 2046Z 248DEG 38KT 4525 9141 

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

Dye

3 follow-up statements

266 
WWUS53 KMPX 252056
SVSMPX

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

WIC017-107-252130-
/O.CON.KMPX.SV.W.0022.000000T0000Z-210525T2130Z/
Rusk WI-Chippewa WI-
356 PM CDT Tue May 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR SOUTHEASTERN RUSK AND NORTHEASTERN CHIPPEWA COUNTIES...

At 356 PM CDT, a severe thunderstorm was located 10 miles northwest
of Cornell, or 14 miles southwest of Ladysmith, moving east at 45
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...
Sheldon, Tony, Conrath, Island Lake, Holcombe and Chippewa Moraine
State Rec Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4537 9092 4522 9093 4519 9138 4534 9143
      4551 9092 4538 9085
TIME...MOT...LOC 2056Z 248DEG 38KT 4529 9127 

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

Dye

591 
WWUS53 KMPX 252106
SVSMPX

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

WIC017-107-252130-
/O.CON.KMPX.SV.W.0022.000000T0000Z-210525T2130Z/
Rusk WI-Chippewa WI-
406 PM CDT Tue May 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR SOUTHEASTERN RUSK AND NORTHEASTERN CHIPPEWA COUNTIES...

At 405 PM CDT, a severe thunderstorm was located 8 miles west of
Sheldon, or 9 miles south of Ladysmith, moving east at 45 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...
Sheldon, Tony, Conrath and Holcombe. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4537 9092 4522 9093 4520 9125 4537 9133
      4551 9092 4538 9085
TIME...MOT...LOC 2105Z 248DEG 38KT 4533 9114 

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

Dye

877 
WWUS53 KMPX 252120
SVSMPX

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

WIC017-107-252130-
/O.EXP.KMPX.SV.W.0022.000000T0000Z-210525T2130Z/
Rusk WI-Chippewa WI-
420 PM CDT Tue May 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RUSK AND
NORTHEASTERN CHIPPEWA COUNTIES WILL EXPIRE AT 430 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

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

LAT...LON 4537 9092 4522 9093 4520 9125 4537 9133
      4551 9092 4538 9085
TIME...MOT...LOC 2120Z 248DEG 38KT 4539 9094 

$$

Marten

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, 3:24 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Chippewa, Dunn, Rusk	25 min
May 25, 3:42 PM CDT	Severe Thunderstorm Warning	MPX	Pepin	21 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.