Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 17, NWS Green Bay, WI

June 8, 2021Marinette County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 8, 2021, 6:38 PM CDT for Marinette County, Wisconsin. It was in force for 37 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: Jun 8, 2021, 6:38 PM CDT (23:38 UTC)
Expired: Jun 8, 2021, 7:15 PM CDT
In force: 37 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Marinette County, WI

The radar

The Marquette radar (KMQT), 108 km from the middle of the area, began a volume at 23:43 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 8, 6:42 PM CDT	TSTM WND DMG	4 Nnw Pembine, WI	SEVERAL TREES OVER COUNTY ROAD O. TIME ESTIMATED VIA RADAR
Jun 8, 6:42 PM CDT	TSTM WND DMG	4 Nnw Pembine, WI	SEVERAL TREES OVER COUNTY ROAD O. TIME ESTIMATED VIA RADAR.

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

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.6 hours before the alert went out and 126 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: 610 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 1171 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 56 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

649 
WUUS53 KGRB 082338
SVRGRB
WIC075-090015-
/O.NEW.KGRB.SV.W.0017.210608T2338Z-210609T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Green Bay WI
638 PM CDT Tue Jun 8 2021

The National Weather Service in Green Bay has issued a

* Severe Thunderstorm Warning for...
  Northern Marinette County in northeastern Wisconsin...

* Until 715 PM CDT.

* At 637 PM CDT, severe thunderstorms were located along a line
  extending from 9 miles southeast of Norway to near Pembine to near
  Goodman, moving south at 30 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...
  Pembine, Goodman, Wausaukee, Niagara, Dunbar, Amberg, Beecher,
  Athelstane, Silver Cliff and Caldron Falls Rese.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

&&

LAT...LON 4556 8779 4556 8783 4554 8780 4550 8779
      4544 8786 4540 8785 4537 8788 4537 8821
      4539 8842 4572 8835 4571 8806 4578 8806
      4579 8803 4578 8798 4577 8799 4576 8796
      4575 8788 4568 8778 4566 8783 4560 8777
TIME...MOT...LOC 2337Z 016DEG 26KT 4569 8781 4565 8811 4564 8828 

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

2 follow-up statements

892 
WWUS53 KGRB 082350
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
650 PM CDT Tue Jun 8 2021

WIC075-090015-
/O.CON.KGRB.SV.W.0017.000000T0000Z-210609T0015Z/
Marinette WI-
650 PM CDT Tue Jun 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR NORTHERN MARINETTE COUNTY...

At 650 PM CDT, severe thunderstorms were located along a line
extending from 7 miles east of Pembine to Goodman, moving south at 30
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...
Pembine, Goodman, Wausaukee, Niagara, Dunbar, Amberg, Beecher,
Athelstane, Silver Cliff and Caldron Falls Rese.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Green Bay.

&&

LAT...LON 4556 8779 4556 8783 4554 8780 4550 8779
      4544 8786 4540 8785 4537 8788 4537 8821
      4539 8842 4572 8835 4571 8806 4578 8806
      4579 8803 4578 8798 4577 8799 4576 8796
      4575 8788 4568 8778 4566 8783 4560 8777
TIME...MOT...LOC 2350Z 019DEG 28KT 4560 8785 4554 8819 4561 8833 

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

393 
WWUS53 KGRB 090008
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
708 PM CDT Tue Jun 8 2021

WIC075-090018-
/O.EXP.KGRB.SV.W.0017.000000T0000Z-210609T0015Z/
Marinette WI-
708 PM CDT Tue Jun 8 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MARINETTE COUNTY WILL
EXPIRE AT 715 PM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with these thunderstorms.

LAT...LON 4556 8779 4556 8783 4554 8780 4550 8779
      4544 8786 4540 8785 4537 8788 4537 8821
      4539 8842 4572 8835 4571 8806 4578 8806
      4579 8803 4578 8798 4577 8799 4576 8796
      4575 8788 4568 8778 4566 8783 4560 8777
TIME...MOT...LOC 0008Z 016DEG 26KT 4550 8789 4544 8823 4551 8837 

$$

Kieckbusch

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 7, 8:17 PM CDT	Marine Dense Fog Advisory	GRB		49 hr
Jun 8, 1:17 PM CDT	Special Weather Statement	GRB	Calumet	43 min
Jun 8, 4:57 PM CDT	Special Weather Statement	GRB	Florence	48 min
Jun 8, 5:14 PM CDT	Severe Thunderstorm Warning	GRB	Forest, Vilas	31 min
Jun 8, 5:54 PM CDT	Special Weather Statement	GRB	Forest	51 min
Jun 8, 5:57 PM CDT	Special Weather Statement	GRB	Florence	63 min
Jun 8, 6:47 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Oneida	43 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.