Alert archive / Wisconsin / Tornado Warnings in 2021

Tornado Warning 3, NWS Duluth, MN

July 28, 2021Burnett County, Wisconsin; Pine County, Minnesota

NWS Duluth, MN issued this tornado warning at Jul 28, 2021, 7:58 PM CDT for Burnett County, Wisconsin; Pine County, Minnesota. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 28, 2021, 7:58 PM CDT (00:58 UTC)
Expired: Jul 28, 2021, 8:30 PM CDT
In force: 32 min
Issued by: NWS Duluth, MN
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Pine County, MN, Burnett County, WI

The radar

The Minneapolis radar (KMPX), 111 km from the middle of the area, began a volume at 01:03 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 28, 7:17 PM CDT	Severe Thunderstorm Watch PDS	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.0 hours before the alert went out and 113 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: 4815 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 1185 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 374 m²/s²
0-3 km storm-relative helicity: 461 m²/s²
Significant tornado parameter: 8.9
Supercell composite: 48.1

Open this sounding in Storm Lab

The text

As transmitted.

432 
WFUS53 KDLH 290058
TORDLH
MNC115-WIC013-290130-
/O.NEW.KDLH.TO.W.0003.210729T0058Z-210729T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Duluth MN
758 PM CDT Wed Jul 28 2021

The National Weather Service in Duluth MN has issued a

* Tornado Warning for...
  South central Pine County in east central Minnesota...
  Southwestern Burnett County in northwestern Wisconsin...

* Until 830 PM CDT.
    
* At 757 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Rock Creek, or near Pine City, moving southeast at
  40 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation. Spotter report of rotating wall 
           cloud.

  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...
  Branstad around 810 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Trade 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 4566 9288 4572 9287 4573 9296 4574 9297
      4580 9291 4572 9253 4565 9253 4564 9286
TIME...MOT...LOC 0057Z 301DEG 34KT 4575 9289 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Wolfe

2 follow-up statements

490 
WWUS53 KDLH 290114
SVSDLH

Severe Weather Statement
National Weather Service Duluth MN
814 PM CDT Wed Jul 28 2021

MNC115-290122-
/O.CAN.KDLH.TO.W.0003.000000T0000Z-210729T0130Z/
Pine MN-
814 PM CDT Wed Jul 28 2021

...THE TORNADO WARNING FOR SOUTH CENTRAL PINE COUNTY IS CANCELLED...
    
The tornadic 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 200 AM CDT for
northwestern Wisconsin.

LAT...LON 4566 9288 4570 9287 4572 9287 4573 9283
      4574 9281 4572 9253 4565 9253 4564 9286
TIME...MOT...LOC 0112Z 301DEG 34KT 4568 9274 

$$

WIC013-290130-
/O.CON.KDLH.TO.W.0003.000000T0000Z-210729T0130Z/
Burnett WI-
814 PM CDT Wed Jul 28 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHWESTERN BURNETT COUNTY...
    
At 812 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Branstad, or 15 miles southeast of Pine City, moving
southeast at 40 mph.

HAZARD...Tornado and quarter size hail.

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...
  Trade 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 4566 9288 4570 9287 4572 9287 4573 9283
      4574 9281 4572 9253 4565 9253 4564 9286
TIME...MOT...LOC 0112Z 301DEG 34KT 4568 9274 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Wolfe

708 
WWUS53 KDLH 290123
SVSDLH

Severe Weather Statement
National Weather Service Duluth MN
823 PM CDT Wed Jul 28 2021

WIC013-290133-
/O.EXP.KDLH.TO.W.0003.000000T0000Z-210729T0130Z/
Burnett WI-
823 PM CDT Wed Jul 28 2021

...THE TORNADO WARNING FOR SOUTHWESTERN BURNETT COUNTY WILL EXPIRE AT
830 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 200 AM CDT for
northwestern Wisconsin.

LAT...LON 4566 9288 4570 9287 4572 9287 4573 9283
      4574 9281 4572 9253 4565 9253 4564 9286
TIME...MOT...LOC 0123Z 301DEG 34KT 4564 9263 

$$

Wolfe

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 7:00 PM CDT	Special Weather Statement	DLH	Iron	15 min
Jul 28, 7:06 PM CDT	Special Weather Statement	DLH	Sawyer	24 min
Jul 28, 7:14 PM CDT	Special Weather Statement	DLH	Price	16 min
Jul 28, 7:26 PM CDT	Special Weather Statement	DLH	Sawyer	19 min
Jul 28, 7:28 PM CDT	Special Weather Statement	DLH	Price	17 min
Jul 28, 7:33 PM CDT	Severe Thunderstorm Warning	DLH	Burnett, Washburn	27 min
Jul 28, 7:42 PM CDT	Special Weather Statement	DLH	Price	18 min
Jul 28, 7:51 PM CDT	Severe Thunderstorm Warning	DLH	Burnett	39 min
Jul 28, 7:59 PM CDT	Severe Thunderstorm Warning	DLH	Burnett, Washburn	16 min
Jul 28, 8:20 PM CDT	Special Weather Statement	DLH	Burnett	25 min
Jul 28, 9:04 PM CDT	Special Weather Statement	DLH	Price	41 min
Jul 28, 7:28 PM CDT	Severe Thunderstorm Warning	DLH	Cass, Itasca	29 min
Jul 28, 7:48 PM CDT	Severe Thunderstorm Warning	DLH	Cass, Itasca	42 min
Jul 28, 8:29 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Cass, Itasca	34 min

Nearby

Tornado Warnings in Wisconsin, 2021 Tornado Warnings in Minnesota, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.