Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 18, NWS La Crosse, WI

May 25, 2021Taylor County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at May 25, 2021, 4:06 PM CDT for Taylor County, Wisconsin. It was in force for 54 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, 4:06 PM CDT (21:06 UTC)
Expired: May 25, 2021, 5:00 PM CDT
In force: 54 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Taylor County, WI

The radar

The La Crosse radar (KARX), 174 km from the middle of the area, began a volume at 21:07 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, 4:26 PM CDT	HAIL 0.25	Jump River, WI

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, 9.1 hours before the alert went out and 202 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.

744 
WUUS53 KARX 252106
SVRARX
WIC119-252200-
/O.NEW.KARX.SV.W.0018.210525T2106Z-210525T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service La Crosse WI
406 PM CDT Tue May 25 2021

The National Weather Service in La Crosse has issued a

* Severe Thunderstorm Warning for...
  Northern Taylor County in north central Wisconsin...

* Until 500 PM CDT.

* At 405 PM CDT, a severe thunderstorm was located over Sheldon, or
  11 miles southeast 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.

* This severe thunderstorm will be near...
  Jump River around 415 PM CDT.
  Chelsea around 445 PM CDT.
  Westboro around 450 PM CDT.
  Rib Lake around 455 PM CDT.

Other locations impacted by this severe thunderstorm include Wood
Lake, North Twin Lake, The Mondeaux Flowage, County Roads D And N,
Hannibal, Camp Forest Spring and Donald.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4522 9005 4522 9092 4538 9092 4538 9004
TIME...MOT...LOC 2105Z 268DEG 40KT 4533 9096 

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

Wetenkamp

1 follow-up statement

583 
WWUS53 KARX 252141
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
441 PM CDT Tue May 25 2021

WIC119-252200-
/O.CON.KARX.SV.W.0018.000000T0000Z-210525T2200Z/
Taylor WI-
441 PM CDT Tue May 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR NORTHERN TAYLOR COUNTY...

At 441 PM CDT, a severe thunderstorm was located 7 miles west of
Westboro, or 15 miles north of Medford, moving east at 40 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 storm will be near...
  Chelsea and Westboro around 450 PM CDT.
  Rib Lake around 500 PM CDT.

Other locations impacted by this severe thunderstorm include Wood
Lake, North Twin Lake, The Mondeaux Flowage, County Roads D And N,
Hannibal, Camp Forest Spring and Donald.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4522 9005 4522 9092 4538 9092 4538 9004
TIME...MOT...LOC 2141Z 266DEG 36KT 4535 9045 

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

Wetenkamp

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 3:45 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	60 min
May 25, 4:47 PM CDT	Special Weather Statement	ARX	Trempealeau	28 min
May 25, 4:50 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Trempealeau	40 min
May 25, 5:01 PM CDT	Severe Thunderstorm Warning	ARX	Taylor	44 min
May 25, 5:11 PM CDT	Severe Thunderstorm Warning	ARX	Clark, Jackson	64 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.