Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 8, NWS Green Bay, WI

May 25, 2021Lincoln County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at May 25, 2021, 4:53 PM CDT for Lincoln County, Wisconsin. It was in force for 67 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 25, 2021, 4:53 PM CDT (21:53 UTC)
Expired: May 25, 2021, 6:00 PM CDT
In force: 67 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Lincoln County, WI

The radar

The Green Bay radar (KGRB), 168 km from the middle of the area, began a volume at 21:53 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 25, 5:51 PM CDT	HAIL 1.5	4 Ssw Tomahawk, WI
May 25, 5:53 PM CDT	HAIL 1	Tomahawk, WI	VIA SOCIAL MEDIA.

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

The watch it was issued in

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

Issued	Product	Office	Lasted
May 25, 2:53 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.9 hours before the alert went out and 170 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: 96 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 1118 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 155 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

053 
WUUS53 KGRB 252153
SVRGRB
WIC069-252300-
/O.NEW.KGRB.SV.W.0008.210525T2153Z-210525T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Green Bay WI
453 PM CDT Tue May 25 2021

The National Weather Service in Green Bay has issued a

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

* Until 600 PM CDT.

* At 453 PM CDT, a severe thunderstorm was located near Westboro, or
  15 miles north of Medford, moving east at 45 mph.

  HAZARD...60 mph wind gusts and half dollar 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...
  New Wood Wildlife Area around 520 PM CDT.
  Birch Trails Girl Scout Camp around 535 PM CDT.
  Gilbert around 540 PM CDT.
  Harrison around 550 PM CDT.

Other locations impacted by this severe thunderstorm include Mccord,
Otter Lake Campground, Heafford Junction, Gleason, Bradley, Spirit
Falls, Bill Cross Rapids Wildlife Area, Otis, Bloomville and Irma.

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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4556 9004 4555 8948 4517 8951 4520 9005
TIME...MOT...LOC 2153Z 267DEG 38KT 4536 9036 

HAIL...1.25IN
WIND...60MPH
 
$$

Eckberg

3 follow-up statements

692 
WWUS53 KGRB 252208
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
508 PM CDT Tue May 25 2021

WIC069-252300-
/O.CON.KGRB.SV.W.0008.000000T0000Z-210525T2300Z/
Lincoln WI-
508 PM CDT Tue May 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR LINCOLN COUNTY...

At 508 PM CDT, a severe thunderstorm was located over Rib Lake, or 16
miles northeast of Medford, moving east at 40 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

This severe storm will be near...
  New Wood Wildlife Area around 530 PM CDT.
  Gilbert and Birch Trails Girl Scout Camp around 545 PM CDT.
  Harrison around 600 PM CDT.

Other locations impacted by this severe thunderstorm include Mccord,
Otter Lake Campground, Heafford Junction, Gleason, Bradley, Spirit
Falls, Bill Cross Rapids Wildlife Area, Otis, Bloomville and Irma.

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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4556 9004 4555 8948 4517 8951 4520 9005
TIME...MOT...LOC 2208Z 267DEG 33KT 4536 9021 

HAIL...1.50IN
WIND...60MPH
 
$$

Eckberg

815 
WWUS53 KGRB 252223
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
523 PM CDT Tue May 25 2021

WIC069-252300-
/O.CON.KGRB.SV.W.0008.000000T0000Z-210525T2300Z/
Lincoln WI-
523 PM CDT Tue May 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR LINCOLN COUNTY...

At 523 PM CDT, a severe thunderstorm was located near Spirit, or 21
miles northeast of Medford, moving east at 40 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

This severe storm will be near...
  New Wood Wildlife Area around 535 PM CDT.
  Gilbert and Birch Trails Girl Scout Camp around 550 PM CDT.

Other locations impacted by this severe thunderstorm include Mccord,
Otter Lake Campground, Heafford Junction, Gleason, Bradley, Spirit
Falls, Bill Cross Rapids Wildlife Area, Otis, Bloomville and Irma.

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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4556 9004 4555 8948 4517 8951 4520 9005
TIME...MOT...LOC 2223Z 271DEG 34KT 4537 9006 

HAIL...1.50IN
WIND...60MPH
 
$$

Eckberg

318 
WWUS53 KGRB 252243
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
543 PM CDT Tue May 25 2021

WIC069-252300-
/O.CON.KGRB.SV.W.0008.000000T0000Z-210525T2300Z/
Lincoln WI-
543 PM CDT Tue May 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR LINCOLN COUNTY...

At 543 PM CDT, a severe thunderstorm was located near New Wood
Wildlife Area, or 27 miles southwest of Rhinelander, moving east at
45 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

This severe storm will be near...
  Gilbert and Birch Trails Girl Scout Camp around 550 PM CDT.

Other locations impacted by this severe thunderstorm include Otter
Lake Campground, Heafford Junction, Bradley, Spirit Falls, Bill Cross
Rapids Wildlife Area, Otis, Bloomville and Irma.

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 4555 9004 4554 8950 4517 8953 4520 9005
TIME...MOT...LOC 2243Z 274DEG 38KT 4538 8985 

HAIL...1.25IN
WIND...60MPH
 
$$

Eckberg

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 7:00 PM CDT	Special Weather Statement	GRB	Lincoln	45 min
May 24, 7:24 PM CDT	Special Weather Statement	GRB	Lincoln	21 min
May 24, 8:50 PM CDT	Small Craft Advisory	GRB		31 hr
May 25, 9:47 AM CDT	Special Weather Statement	GRB	Forest, Langlade, Oneida	58 min
May 25, 4:01 PM CDT	Special Weather Statement	GRB	Lincoln, Oneida, Vilas	89 min
May 25, 4:22 PM CDT	Special Weather Statement	GRB	Winnebago	23 min
May 25, 5:34 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage, Wood	56 min
May 25, 5:57 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Lincoln, Oneida	63 min
May 25, 6:18 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage, Wood	39 min
May 25, 6:29 PM CDT	Severe Thunderstorm Warning	GRB	Forest, Langlade, Oconto	36 min
May 25, 6:54 PM CDT	Special Weather Statement	GRB	Menominee, Oconto, Portage, Shawano, Waupaca	66 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.