Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 46, NWS Green Bay, WI

July 26, 2021Lincoln County, Oneida County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jul 26, 2021, 10:45 PM CDT for Lincoln County, Oneida County, Wisconsin. It was in force for 45 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: Jul 26, 2021, 10:45 PM CDT (03:45 UTC)
Expired: Jul 26, 2021, 11:30 PM CDT
In force: 45 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Lincoln County, WI, Oneida County, WI

The radar

The Green Bay radar (KGRB), 167 km from the middle of the area, began a volume at 03:45 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
Jul 26, 10:53 PM CDT	TSTM WND DMG	Tomahawk, WI	TREES AND POWER LINES DOWN. REPORTS OF TREES AND POWER LINES DOWN ACROSS THE NORTHERN HALF OF THE COUNTY.
Jul 26, 11:08 PM CDT	TSTM WND DMG	Rhinelander, WI	TREES AND POWER LINES DOWN. TIME ESTIMATED BY 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 00:00Z, 3.8 hours before the alert went out and 169 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: 591 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 2073 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

As transmitted.

954 
WUUS53 KGRB 270345
SVRGRB
WIC069-085-270430-
/O.NEW.KGRB.SV.W.0046.210727T0345Z-210727T0430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Green Bay WI
1045 PM CDT Mon Jul 26 2021

The National Weather Service in Green Bay has issued a

* Severe Thunderstorm Warning for...
  Lincoln County in north central Wisconsin...
  Central Oneida County in north central Wisconsin...

* Until 1130 PM CDT.

* At 1044 PM CDT, a severe thunderstorm was located near Willow
  Reservoir, or 19 miles west of Rhinelander, moving southeast at 35
  mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Tomahawk around 1100 PM CDT.

Other locations in the path of this severe thunderstorm include
Woodboro, Rhinelander and Harrison.

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 4570 9004 4583 8978 4573 8924 4547 8938
      4547 8942 4539 8942 4526 8949 4528 9005
TIME...MOT...LOC 0344Z 294DEG 32KT 4564 8983 

HAIL...0.88IN
WIND...60MPH
 
$$

Bersch

2 follow-up statements

248 
WWUS53 KGRB 270401
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
1101 PM CDT Mon Jul 26 2021

WIC069-085-270430-
/O.CON.KGRB.SV.W.0046.000000T0000Z-210727T0430Z/
Lincoln WI-Oneida WI-
1101 PM CDT Mon Jul 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT
FOR LINCOLN AND CENTRAL ONEIDA COUNTIES...

At 1100 PM CDT, a severe thunderstorm was located over Harrison, or
12 miles south of Rhinelander, moving southeast at 45 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

This severe thunderstorm will remain over mainly rural areas of
Lincoln and central Oneida Counties, including the following
locations... Mc Naughton, Heafford Junction, Bradley, Dudley, Lower
Tomahawk River Natural Area, Harshaw, Crescent Corner, Otis, Mccord
and Otter Lake Campground.

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.

&&

LAT...LON 4547 9005 4580 8961 4573 8924 4547 8938
      4547 8942 4539 8942 4526 8949 4528 9005
TIME...MOT...LOC 0400Z 298DEG 47KT 4547 8949 

HAIL...0.88IN
WIND...60MPH
 
$$

KLJ

739 
WWUS53 KGRB 270422
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
1122 PM CDT Mon Jul 26 2021

WIC069-085-270431-
/O.EXP.KGRB.SV.W.0046.000000T0000Z-210727T0430Z/
Lincoln WI-Oneida WI-
1122 PM CDT Mon Jul 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR LINCOLN AND CENTRAL ONEIDA
COUNTIES WILL EXPIRE AT 1130 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

LAT...LON 4547 9005 4580 8961 4573 8924 4547 8938
      4547 8942 4539 8942 4526 8949 4528 9005
TIME...MOT...LOC 0421Z 294DEG 32KT 4540 8926 

$$

Bersch

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 8:26 PM CDT	Special Weather Statement	GRB	Door	49 min
Jul 26, 8:33 PM CDT	Special Marine Warning	GRB		36 min
Jul 26, 9:43 PM CDT	Special Weather Statement	GRB	Vilas	62 min
Jul 26, 10:30 PM CDT	Severe Thunderstorm Warning	GRB	Forest, Vilas	50 min
Jul 26, 10:37 PM CDT	Special Weather Statement	GRB	Langlade, Lincoln	53 min
Jul 26, 11:06 PM CDT	Severe Thunderstorm Warning	GRB	Florence	54 min
Jul 26, 11:11 PM CDT	Severe Thunderstorm Warning	GRB	Florence, Forest, Langlade, Lincoln, Marathon, Oneida	49 min
Jul 26, 11:33 PM CDT	Severe Thunderstorm Warning	GRB	Marinette, Menominee, Oconto, Shawano	57 min
Jul 26, 11:39 PM CDT	Special Weather Statement	GRB	Marinette	36 min
Jul 26, 11:58 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Outagamie, Portage, Waupaca	62 min
Jul 27, 12:16 AM CDT	Special Marine Warning	GRB		89 min
Jul 27, 12:24 AM CDT	Severe Thunderstorm Warning	GRB	Brown, Marinette, Oconto, Shawano	66 min
Jul 27, 12:37 AM CDT	Special Marine Warning	GRB		83 min
Jul 27, 12:51 AM CDT	Severe Thunderstorm Warning	GRB	Door, Kewaunee	54 min
Jul 27, 12:52 AM CDT	Special Weather Statement	GRB	Calumet, Winnebago	38 min
Jul 27, 12:55 AM CDT	Special Weather Statement	GRB	Manitowoc	35 min
Jul 27, 1:18 AM CDT	Special Weather Statement	GRB	Oneida	42 min
Jul 27, 1:28 AM CDT	Severe Thunderstorm Warning	GRB	Oneida	32 min
Jul 27, 1:42 AM CDT	Special Weather Statement	GRB	Manitowoc	48 min
Jul 27, 1:53 AM CDT	Special Weather Statement	GRB	Lincoln	52 min
Jul 27, 2:30 AM CDT	Special Weather Statement	GRB	Langlade	45 min
Jul 27, 2:41 AM CDT	Special Weather Statement	GRB	Langlade, Lincoln, Marathon, Menominee, Shawano	49 min
Jul 27, 3:20 AM CDT	Special Weather Statement	GRB	Brown, Marathon, Menominee, Outagamie, Portage, Shawano and 2 more	40 min
Jul 27, 3:51 AM CDT	Special Weather Statement	GRB	Brown, Calumet, Kewaunee, Manitowoc, Marathon, Outagamie and 6 more	69 min
Jul 27, 6:16 AM CDT	Special Weather Statement	GRB	Portage, Wood	44 min
Jul 27, 6:58 AM CDT	Special Weather Statement	GRB	Portage, Wood	47 min
Jul 27, 7:27 AM CDT	Special Weather Statement	GRB	Waushara	63 min
Jul 27, 8:33 AM CDT	Special Weather Statement	GRB	Calumet, Manitowoc, Portage, Waushara, Winnebago, Wood	57 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.