Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Green Bay, WI

May 31, 2021Forest County, Oneida County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at May 31, 2021, 3:27 PM CDT for Forest County, Oneida County, Wisconsin. It was in force for 48 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: May 31, 2021, 3:27 PM CDT (20:27 UTC)
Expired: May 31, 2021, 4:15 PM CDT
In force: 48 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Forest County, WI, Oneida County, WI

The radar

The Marquette radar (KMQT), 141 km from the middle of the area, began a volume at 20:26 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 31, 3:38 PM CDT	HAIL 1	1 N Rhinelander, WI	MOSTLY PEA AND PENNY SIZED HAIL. A FEW QUARTER SIZED. APPROXIMATELY 10 MINUTES OF HAIL. MINOR DAMAGE TO TREES. LARGER HAIL AT END OF SHOWER.
May 31, 3:45 PM CDT	HAIL 1	Rhinelander, WI	VIA SOCIAL MEDIA. HAIL COVERED THE GROUND WITH PEA TO QUARTER SIZE STONES.

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, 8.5 hours before the alert went out and 150 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1526 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 99 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

157 
WUUS53 KGRB 312027
SVRGRB
WIC041-085-312115-
/O.NEW.KGRB.SV.W.0013.210531T2027Z-210531T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Green Bay WI
327 PM CDT Mon May 31 2021

The National Weather Service in Green Bay has issued a

* Severe Thunderstorm Warning for...
  Southern Forest County in northeastern Wisconsin...
  Eastern Oneida County in north central Wisconsin...

* Until 415 PM CDT.

* At 326 PM CDT, a severe thunderstorm was located 8 miles southwest
  of Headwaters Wilderness, or 11 miles northwest of Crandon, moving
  east at 25 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Rhinelander, Crandon, Newbold, Woodboro, Crystal Lake Scout
  Reservation, North Otter Creek Natural Area, Sugar Camp, Laona,
  Argonne and Armstrong Creek.

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 4582 8947 4574 8868 4572 8867 4572 8857
      4571 8844 4548 8844 4558 8963
TIME...MOT...LOC 2026Z 281DEG 22KT 4571 8903 

HAIL...1.00IN
WIND...<50MPH
 
$$
Kieckbusch

4 follow-up statements

180 
WWUS53 KGRB 312033
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
333 PM CDT Mon May 31 2021

WIC041-085-312115-
/O.CON.KGRB.SV.W.0013.000000T0000Z-210531T2115Z/
Forest WI-Oneida WI-
333 PM CDT Mon May 31 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHERN FOREST AND EASTERN ONEIDA COUNTIES...

At 332 PM CDT, a severe thunderstorm was located 7 miles south of
Headwaters Wilderness, or 9 miles north of Crandon, moving east at 25
mph. Another severe storm was located just west of Rhinelander.

HAZARD...Quarter size hail and wind gusts to 40 mph.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Rhinelander, Crandon, Newbold, Woodboro, Crystal Lake Scout
Reservation, North Otter Creek Natural Area, Sugar Camp, Laona,
Argonne and Armstrong Creek.

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 4582 8947 4574 8868 4572 8867 4572 8857
      4571 8844 4548 8844 4558 8963
TIME...MOT...LOC 2032Z 281DEG 22KT 4570 8897 

HAIL...1.00IN
WIND...<50MPH
 
$$
Kieckbusch

858 
WWUS53 KGRB 312044
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
344 PM CDT Mon May 31 2021

WIC041-085-312115-
/O.CON.KGRB.SV.W.0013.000000T0000Z-210531T2115Z/
Forest WI-Oneida WI-
344 PM CDT Mon May 31 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR CENTRAL FOREST AND EASTERN ONEIDA COUNTIES...

At 344 PM CDT, a severe thunderstorm was located over Rhinelander,
moving east at 20 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Rhinelander, Crandon, Newbold, Woodboro, Crystal Lake Scout
Reservation, North Otter Creek Natural Area, Sugar Camp, Laona,
Argonne and Hiles.

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 4582 8947 4574 8868 4572 8867 4572 8857
      4571 8844 4551 8869 4558 8963
TIME...MOT...LOC 2044Z 274DEG 17KT 4562 8940 

HAIL...1.00IN
WIND...<50MPH
 
$$
Kieckbusch

363 
WWUS53 KGRB 312052
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
352 PM CDT Mon May 31 2021

WIC041-085-312115-
/O.CON.KGRB.SV.W.0013.000000T0000Z-210531T2115Z/
Forest WI-Oneida WI-
352 PM CDT Mon May 31 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHERN FOREST AND SOUTHEASTERN ONEIDA COUNTIES...

At 352 PM CDT, a severe thunderstorm was located near Rhinelander,
moving east at 25 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Rhinelander, Crandon, Woodboro, North Otter Creek Natural Area,
Laona, Argonne, Monico, Roosevelt, Gagen and Otter Springs Recreation
Area.

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.

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 4569 8949 4569 8913 4574 8868 4572 8867
      4572 8857 4571 8844 4551 8869 4558 8963
TIME...MOT...LOC 2052Z 281DEG 22KT 4561 8933 

HAIL...1.00IN
WIND...<50MPH
 
$$
Kieckbusch

186 
WWUS53 KGRB 312106
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
406 PM CDT Mon May 31 2021

WIC041-085-312115-
/O.EXP.KGRB.SV.W.0013.000000T0000Z-210531T2115Z/
Forest WI-Oneida WI-
406 PM CDT Mon May 31 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN FOREST AND
SOUTHEASTERN ONEIDA COUNTIES WILL EXPIRE AT 415 PM CDT...
        
The storms which prompted the warning have weakened below severe 
limits. Therefore, the warning will be allowed to expire. However 
small hail and gusty winds are still possible with these 
thunderstorms.

LAT...LON 4569 8949 4569 8913 4574 8868 4572 8867
      4572 8857 4571 8844 4551 8869 4558 8963
TIME...MOT...LOC 2105Z 281DEG 22KT 4560 8922 

$$
Kieckbusch

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 12:20 PM CDT	Special Weather Statement	GRB	Florence	85 min
May 31, 1:38 PM CDT	Special Weather Statement	GRB	Vilas	67 min
May 31, 2:11 PM CDT	Special Weather Statement	GRB	Oneida	64 min
May 31, 3:03 PM CDT	Special Weather Statement	GRB	Forest	57 min
May 31, 3:39 PM CDT	Special Weather Statement	GRB	Lincoln	66 min
May 31, 3:57 PM CDT	Special Weather Statement	GRB	Vilas	63 min
May 31, 4:12 PM CDT	Special Weather Statement	GRB	Forest, Langlade, Marinette	63 min
May 31, 4:21 PM CDT	Special Weather Statement	GRB	Lincoln	54 min
May 31, 5:00 PM CDT	Severe Thunderstorm Warning	GRB	Lincoln, Oneida	45 min
May 31, 5:07 PM CDT	Special Weather Statement	GRB	Langlade, Marinette, Menominee	53 min
May 31, 5:22 PM CDT	Special Weather Statement	GRB	Marinette	38 min
May 31, 5:29 PM CDT	Special Marine Warning	GRB		61 min
May 31, 5:35 PM CDT	Special Weather Statement	GRB	Door	55 min
May 31, 5:42 PM CDT	Special Weather Statement	GRB	Lincoln	63 min
May 31, 5:58 PM CDT	Special Weather Statement	GRB	Kewaunee, Menominee, Oconto, Shawano	62 min
May 31, 6:07 PM CDT	Special Weather Statement	GRB	Marathon	38 min
May 31, 6:10 PM CDT	Special Weather Statement	GRB	Wood	50 min
May 31, 6:19 PM CDT	Special Marine Warning	GRB		41 min
May 31, 6:32 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage, Wood	43 min
May 31, 6:43 PM CDT	Special Marine Warning	GRB		92 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.