Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Duluth, MN

June 24, 2021Burnett County, Sawyer County, Washburn County, Wisconsin

NWS Duluth, MN issued this severe thunderstorm warning at Jun 24, 2021, 3:54 AM CDT for Burnett County, Sawyer County, Washburn County, Wisconsin. It was in force for 36 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: Jun 24, 2021, 3:54 AM CDT (08:54 UTC)
Expired: Jun 24, 2021, 4:30 AM CDT
In force: 36 min
Issued by: NWS Duluth, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Burnett County, WI, Sawyer County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 92 km from the middle of the area, began a volume at 08:58 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
Jun 24, 4:00 AM CDT	HAIL 0.25	8 W Minong, WI

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 8.9 hours before the alert went out and 190 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: 561 J/kg
Mixed-layer CIN: -125 J/kg
Mixed-layer LCL: 1897 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted.

914 
WUUS53 KDLH 240854
SVRDLH
WIC013-113-129-240930-
/O.NEW.KDLH.SV.W.0013.210624T0854Z-210624T0930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Duluth MN
354 AM CDT Thu Jun 24 2021

The National Weather Service in Duluth MN has issued a

* Severe Thunderstorm Warning for...
  Northern Washburn County in northwestern Wisconsin...
  Northeastern Burnett County in northwestern Wisconsin...
  Northwestern Sawyer County in northwestern Wisconsin...

* Until 430 AM CDT.

* At 354 AM CDT, a severe thunderstorm was located 7 miles northeast
  of Webb Lake Wisconsin, or 18 miles north of Spooner, moving east
  at 55 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...
  Minong around 405 AM CDT.

Other locations in the path of this severe thunderstorm include
Hayward.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and deadly cloud-to-ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.

&&

LAT...LON 4599 9213 4615 9212 4615 9148 4596 9148
TIME...MOT...LOC 0854Z 269DEG 47KT 4608 9201 

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

GSF

2 follow-up statements

959 
WWUS53 KDLH 240912
SVSDLH

Severe Weather Statement
National Weather Service Duluth MN
412 AM CDT Thu Jun 24 2021

WIC013-240920-
/O.CAN.KDLH.SV.W.0013.000000T0000Z-210624T0930Z/
Burnett WI-
412 AM CDT Thu Jun 24 2021

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

LAT...LON 4598 9186 4615 9182 4615 9148 4596 9148
TIME...MOT...LOC 0910Z 269DEG 47KT 4608 9169 

$$

WIC113-129-240930-
/O.CON.KDLH.SV.W.0013.000000T0000Z-210624T0930Z/
Washburn WI-Sawyer WI-
412 AM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CDT
FOR NORTHEASTERN WASHBURN AND NORTHWESTERN SAWYER COUNTIES...

At 411 AM CDT, a severe thunderstorm was located near Minong, or 11 
miles northwest of Hayward, moving east at 55 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...
  Hayward.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4598 9186 4615 9182 4615 9148 4596 9148
TIME...MOT...LOC 0910Z 269DEG 47KT 4608 9169 

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

GSF

215 
WWUS53 KDLH 240921
SVSDLH

Severe Weather Statement
National Weather Service Duluth MN
421 AM CDT Thu Jun 24 2021

WIC113-129-240930-
/O.EXP.KDLH.SV.W.0013.000000T0000Z-210624T0930Z/
Washburn WI-Sawyer WI-
421 AM CDT Thu Jun 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WASHBURN AND
NORTHWESTERN SAWYER COUNTIES WILL EXPIRE AT 430 AM 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.

LAT...LON 4598 9186 4615 9182 4615 9148 4596 9148
TIME...MOT...LOC 0920Z 269DEG 47KT 4608 9152 

$$

GSF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 1:44 AM CDT	Special Weather Statement	DLH	Burnett	31 min
Jun 24, 1:57 AM CDT	Special Weather Statement	DLH	Burnett	33 min
Jun 24, 2:01 AM CDT	Special Weather Statement	DLH	Douglas	29 min
Jun 24, 2:13 AM CDT	Special Weather Statement	DLH	Bayfield	32 min
Jun 24, 2:29 AM CDT	Special Weather Statement	DLH	Douglas	16 min
Jun 24, 2:38 AM CDT	Special Weather Statement	DLH	Washburn	37 min
Jun 24, 2:43 AM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield	32 min
Jun 24, 2:50 AM CDT	Special Weather Statement	DLH	Bayfield, Douglas	25 min
Jun 24, 3:11 AM CDT	Special Weather Statement	DLH	Burnett	34 min
Jun 24, 3:18 AM CDT	Special Weather Statement	DLH	Douglas	27 min
Jun 24, 3:25 AM CDT	Special Weather Statement	DLH	Price	35 min
Jun 24, 3:47 AM CDT	Special Weather Statement	DLH	Burnett, Washburn	28 min
Jun 24, 4:03 AM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield, Douglas	27 min
Jun 24, 4:25 AM CDT	Special Weather Statement	DLH	Washburn	35 min
Jun 24, 4:32 AM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield, Sawyer	28 min
Jun 24, 4:59 AM CDT	Special Weather Statement	DLH	Ashland	31 min
Jun 24, 7:33 AM CDT	Special Weather Statement	DLH	Iron	27 min
Jun 24, 2:57 PM CDT	Special Weather Statement	DLH	Rusk	33 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.