Alert archive / Wisconsin / Tornado Warnings in 2021

Tornado Warning 28, NWS La Crosse, WI

December 15, 2021Clark County, Taylor County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Dec 15, 2021, 9:32 PM CST for Clark County, Taylor County, Wisconsin. It was in force for 28 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: Dec 15, 2021, 9:32 PM CST (03:32 UTC)
Expired: Dec 15, 2021, 10:00 PM CST
In force: 28 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Clark County, WI, Taylor County, WI

The radar

The La Crosse radar (KARX), 156 km from the middle of the area, began a volume at 03:32 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
Dec 15, 9:50 PM CST	TSTM WND DMG	Medford, WI	MANY TREES AND POWER LINES REPORTED DOWN ACROSS THE COUNTY, ESPECIALLY THE SOUTHERN HALF.
Dec 15, 10:06 PM CST	TSTM WND DMG	3 W Withee, WI	REPORT FROM MPING: HOMES/BUILDINGS COMPLETELY DESTROYED.

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
Dec 15, 5:30 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.5 hours before the alert went out and 184 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: 29 J/kg
Mixed-layer CIN: -469 J/kg
Mixed-layer LCL: 505 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 689 m²/s²
0-3 km storm-relative helicity: 687 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

711 
WFUS53 KARX 160332
TORARX
WIC019-119-160400-
/O.NEW.KARX.TO.W.0028.211216T0332Z-211216T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service La Crosse WI
932 PM CST Wed Dec 15 2021

The National Weather Service in La Crosse has issued a

* Tornado Warning for...
  Northeastern Clark County in central Wisconsin...
  Southeastern Taylor County in north central Wisconsin...

* Until 1000 PM CST.
    
* At 932 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Owen, or 20 miles southwest of Medford, moving
  north at 70 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Owen around 935 PM CST.
  Medford around 950 PM CST.

Other locations impacted by this tornadic thunderstorm include
Curtiss, The Taylor County Airport, Stetsonville, Atwood, Withee,
County Roads A And E and Esadore Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4512 9004 4512 9020 4503 9020 4503 9031
      4488 9032 4488 9077 4521 9054 4522 9004
TIME...MOT...LOC 0332Z 194DEG 62KT 4487 9054 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Baumgardt

4 follow-up statements

177 
WWUS53 KARX 160339
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
939 PM CST Wed Dec 15 2021

WIC019-119-160400-
/O.CON.KARX.TO.W.0028.000000T0000Z-211216T0400Z/
Clark WI-Taylor WI-
939 PM CST Wed Dec 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CST FOR
NORTHEASTERN CLARK AND SOUTHEASTERN TAYLOR COUNTIES...
    
At 939 PM CST, a severe thunderstorm capable of producing a tornado
was located near Dorchester, or 9 miles southwest of Medford, moving
northeast at 110 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
northeastern Clark and southeastern Taylor Counties, including the
following locations... Curtiss, The Taylor County Airport,
Stetsonville, Atwood, Withee, County Roads A And E and Esadore Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4512 9004 4512 9020 4503 9020 4503 9031
      4488 9032 4488 9076 4521 9053 4522 9004
TIME...MOT...LOC 0339Z 212DEG 94KT 4503 9047 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Baumgardt

292 
WWUS53 KARX 160344
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
944 PM CST Wed Dec 15 2021

WIC019-160353-
/O.CAN.KARX.TO.W.0028.000000T0000Z-211216T0400Z/
Clark WI-
944 PM CST Wed Dec 15 2021

...THE TORNADO WARNING FOR NORTHEASTERN CLARK COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1100 PM CST for central and
north central Wisconsin.

LAT...LON 4522 9004 4512 9004 4512 9020 4503 9020
      4503 9065 4521 9053
TIME...MOT...LOC 0343Z 212DEG 94KT 4513 9038 

$$

WIC119-160400-
/O.CON.KARX.TO.W.0028.000000T0000Z-211216T0400Z/
Taylor WI-
944 PM CST Wed Dec 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CST FOR
SOUTHEASTERN TAYLOR COUNTY...
    
At 943 PM CST, a severe thunderstorm capable of producing a tornado
was located over Medford, moving northeast at 110 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
southeastern Taylor County, including the following locations... The
Taylor County Airport, Stetsonville, County Roads A And E, Esadore
Lake, Gad, Goodrich and Highway 64 And County D D.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4522 9004 4512 9004 4512 9020 4503 9020
      4503 9065 4521 9053
TIME...MOT...LOC 0343Z 212DEG 94KT 4513 9038 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Baumgardt

255 
WWUS53 KARX 160350
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
950 PM CST Wed Dec 15 2021

WIC119-160400-
/O.CON.KARX.TO.W.0028.000000T0000Z-211216T0400Z/
Taylor WI-
950 PM CST Wed Dec 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CST FOR
SOUTHEASTERN TAYLOR COUNTY...
    
At 949 PM CST, a severe thunderstorm capable of producing a tornado
was located over Chelsea, or 7 miles north of Medford, moving north
at 70 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Medford, Stetsonville, Goodrich, The Taylor County Airport, County
Roads A And E, Esadore Lake, Gad and Highway 64 And County D D.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4522 9004 4512 9004 4512 9020 4503 9020
      4503 9065 4521 9053
TIME...MOT...LOC 0349Z 194DEG 62KT 4525 9034 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Baumgardt

901 
WWUS53 KARX 160352
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
952 PM CST Wed Dec 15 2021

WIC119-160401-
/O.EXP.KARX.TO.W.0028.000000T0000Z-211216T0400Z/
Taylor WI-
952 PM CST Wed Dec 15 2021

...THE TORNADO WARNING FOR SOUTHEASTERN TAYLOR COUNTY WILL EXPIRE AT
1000 PM CST...
                
The storm which prompted the warning has weakened and no longer 
appears capable of producing a tornado.

Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 1100 PM CST for central and
north central Wisconsin.

LAT...LON 4522 9004 4512 9004 4512 9020 4503 9020
      4503 9065 4521 9053
TIME...MOT...LOC 0351Z 194DEG 62KT 4528 9033 

$$

Baumgardt

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 15, 7:53 PM CST	Severe Thunderstorm Warning Destructive damage threat	ARX	Buffalo, La Crosse, Trempealeau	67 min
Dec 15, 7:58 PM CST	Tornado Warning	ARX	Buffalo, Trempealeau	47 min
Dec 15, 8:01 PM CST	Tornado Warning	ARX	Buffalo	44 min
Dec 15, 8:16 PM CST	Severe Thunderstorm Warning Considerable damage threat	ARX	Crawford, Grant, Vernon	74 min
Dec 15, 8:24 PM CST	Severe Thunderstorm Warning Destructive damage threat	ARX	Clark, Jackson, La Crosse, Monroe, Vernon	81 min
Dec 15, 9:05 PM CST	Severe Thunderstorm Warning	ARX	Clark	25 min
Dec 15, 9:07 PM CST	Tornado Warning	ARX	Clark	38 min
Dec 15, 9:08 PM CST	Severe Thunderstorm Warning Considerable damage threat	ARX	Grant, Richland	52 min
Dec 15, 9:17 PM CST	Severe Thunderstorm Warning	ARX	Taylor	43 min
Dec 15, 9:28 PM CST	Severe Thunderstorm Warning	ARX	Clark	16 min
Dec 15, 9:33 PM CST	Severe Thunderstorm Warning	ARX	Adams, Juneau	72 min

Nearby

Tornado Warnings in Wisconsin, 2021 Every tornado warning in 2021 Tornadoes 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.