Alert archive / Wisconsin / Tornado Warnings in 2024

Tornado Warning 3, NWS Green Bay, WI

May 21, 2024Waushara County, Wisconsin

NWS Green Bay, WI issued this tornado warning at May 21, 2024, 8:03 PM CDT for Waushara County, Wisconsin. It was in force for 27 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: May 21, 2024, 8:03 PM CDT (01:03 UTC)
Expired: May 21, 2024, 8:30 PM CDT
In force: 27 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Waushara County, WI

The radar

The Green Bay radar (KGRB), 100 km from the middle of the area, began a volume at 01:08 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
May 21, 6:42 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.1 hours before the alert went out and 100 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: 442 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 1016 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

793 
WFUS53 KGRB 220103
TORGRB
WIC137-220130-
/O.NEW.KGRB.TO.W.0003.240522T0103Z-240522T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Green Bay WI
803 PM CDT Tue May 21 2024

The National Weather Service in Green Bay has issued a

* Tornado Warning for...
  Central Waushara County in central Wisconsin...

* Until 830 PM CDT.

* At 802 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles south of Wautoma, moving northeast at 55 mph.

  HAZARD...Tornado.

  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.

* This dangerous storm will be near...
  Wautoma around 810 PM CDT.
  Napowan Scout Camp around 815 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Saxeville, Silver Lake, Spring Lake, Lohrville, Mount Morris, Pine
River, Wild Rose, Dakota, and Richford.

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 4424 8935 4423 8898 4398 8915 4398 8945
TIME...MOT...LOC 0102Z 202DEG 50KT 4396 8933 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Uhlmann

2 follow-up statements

660 
WWUS53 KGRB 220111
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
811 PM CDT Tue May 21 2024

WIC137-220130-
/O.CON.KGRB.TO.W.0003.000000T0000Z-240522T0130Z/
Waushara WI-
811 PM CDT Tue May 21 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR CENTRAL
WAUSHARA COUNTY...

At 809 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Wautoma, moving north at 60 mph.

HAZARD...Tornado.

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.

This dangerous storm will be near...
  Napowan Scout Camp around 815 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Saxeville, Silver Lake, Spring Lake, Lohrville, Mount Morris, Pine
River, Wild Rose, and Dakota.

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 4424 8935 4423 8898 4398 8915 4398 8935
      4405 8942
TIME...MOT...LOC 0109Z 202DEG 50KT 4406 8927 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Uhlmann

518 
WWUS53 KGRB 220121
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
821 PM CDT Tue May 21 2024

WIC137-220130-
/O.EXP.KGRB.TO.W.0003.000000T0000Z-240522T0130Z/
Waushara WI-
821 PM CDT Tue May 21 2024

...THE TORNADO WARNING FOR CENTRAL WAUSHARA COUNTY WILL EXPIRE AT 830
PM CDT...

The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, strong damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area.

A Tornado Watch remains in effect until midnight CDT for central
Wisconsin.

Remember, a Severe Thunderstorm Warning still remains in effect for
Waushara County!

&&

LAT...LON 4424 8935 4423 8898 4398 8915 4398 8935
      4405 8942
TIME...MOT...LOC 0120Z 202DEG 50KT 4418 8920 

$$

Uhlmann

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 7:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Marathon, Wood	26 min
May 21, 7:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Marathon, Portage, Wood	49 min
May 21, 7:42 PM CDT	Tornado Warning	GRB	Marathon	33 min
May 21, 8:00 PM CDT	Tornado Warning	GRB	Langlade, Lincoln, Marathon	30 min
May 21, 8:18 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Langlade, Marathon, Menominee, Outagamie, Portage, Shawano and 3 more	57 min
May 21, 8:24 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Forest, Langlade, Lincoln, Oneida	51 min
May 21, 8:29 PM CDT	Tornado Warning	GRB	Forest, Langlade, Lincoln, Marathon, Menominee, Oconto and 2 more	46 min
May 21, 8:33 PM CDT	Tornado Warning	GRB	Winnebago	15 min
May 21, 8:41 PM CDT	Tornado Warning	GRB	Winnebago	9 min
May 21, 8:47 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Brown, Calumet, Manitowoc, Outagamie, Waupaca, Winnebago	58 min
May 21, 8:48 PM CDT	Special Marine Warning	GRB		117 min
May 21, 8:54 PM CDT	Special Marine Warning	GRB		2 hr
May 21, 9:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Langlade, Marinette, Menominee, Oconto, Shawano	53 min
May 21, 9:11 PM CDT	Areal Flood Advisory	GRB	Portage, Wood	3 hr
May 21, 9:11 PM CDT	Special Weather Statement	GRB	Florence, Forest	34 min
May 21, 9:15 PM CDT	Special Marine Warning	GRB		2 hr
May 21, 9:21 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Calumet, Door, Kewaunee, Manitowoc	39 min
May 21, 9:44 PM CDT	Special Weather Statement	GRB	Brown, Calumet	46 min
May 21, 9:59 PM CDT	Severe Thunderstorm Warning	GRB	Door	46 min
May 21, 10:44 PM CDT	Special Weather Statement	GRB	Calumet, Outagamie, Winnebago	46 min
May 21, 11:12 PM CDT	Special Marine Warning	GRB		63 min
May 21, 11:25 PM CDT	Special Weather Statement	GRB	Kewaunee, Manitowoc	65 min
May 22, 5:46 AM CDT	River Flood Warning	GRB	Wood	23 hr
May 22, 9:42 AM CDT	Beach Hazards Statement	GRB	Door, Kewaunee, Manitowoc	6 hr
May 22, 5:10 PM CDT	Special Weather Statement	GRB	Shawano, Waupaca	50 min
May 22, 5:59 PM CDT	Special Weather Statement	GRB	Brown	46 min
May 22, 6:15 PM CDT	Special Weather Statement	GRB	Brown, Kewaunee	45 min
May 22, 6:19 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Kewaunee	26 min
May 22, 6:37 PM CDT	Special Marine Warning	GRB		53 min
May 22, 6:41 PM CDT	Special Weather Statement	GRB	Kewaunee	34 min

Nearby

Tornado Warnings in Wisconsin, 2024 Every tornado warning in 2024 Tornadoes in 2024

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.