Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 21, NWS Green Bay, WI

May 22, 2024Brown County, Kewaunee County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at May 22, 2024, 6:19 PM CDT for Brown County, Kewaunee County, Wisconsin. It was in force for 26 min. 1 report 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 22, 2024, 6:19 PM CDT (23:19 UTC)
Expired: May 22, 2024, 6:45 PM CDT
In force: 26 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Brown County, WI, Kewaunee County, WI

The radar

The Green Bay radar (KGRB), 35 km from the middle of the area, began a volume at 23:21 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 22, 6:20 PM CDT	HAIL 0.25	Allouez, WI

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, 11.3 hours before the alert went out and 34 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: 616 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 86 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

440 
WUUS53 KGRB 222319
SVRGRB
WIC009-061-222345-
/O.NEW.KGRB.SV.W.0021.240522T2319Z-240522T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Green Bay WI
619 PM CDT Wed May 22 2024

The National Weather Service in Green Bay has issued a

* Severe Thunderstorm Warning for...
  Central Brown County in northeastern Wisconsin...
  Kewaunee County in northeastern Wisconsin...

* Until 645 PM CDT.

* At 618 PM CDT, a severe thunderstorm was located over Green Bay,
  moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Green Bay, Kewaunee, Algoma, Luxemburg, Denmark, Bellevue Town,
  Oneida, De Pere, Howard, and Ashwaubenon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4431 8754 4433 8754 4433 8772 4437 8819
      4459 8816 4461 8738 4431 8749
TIME...MOT...LOC 2318Z 270DEG 34KT 4448 8802 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Bersch

2 follow-up statements

719 
WWUS53 KGRB 222326
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
626 PM CDT Wed May 22 2024

WIC009-061-222345-
/O.CON.KGRB.SV.W.0021.000000T0000Z-240522T2345Z/
Brown WI-Kewaunee WI-
626 PM CDT Wed May 22 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR EAST CENTRAL BROWN AND KEWAUNEE COUNTIES...

At 625 PM CDT, a severe thunderstorm was located over Bellevue Town,
or just east of Green Bay, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Green Bay, Kewaunee, Algoma, Luxemburg, Denmark, Bellevue Town,
Bellevue, Humboldt, Glenmore, and Casco.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4431 8754 4433 8754 4433 8772 4438 8797
      4455 8796 4461 8738 4431 8749
TIME...MOT...LOC 2325Z 270DEG 34KT 4448 8792 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Bersch

217 
WWUS53 KGRB 222344
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
644 PM CDT Wed May 22 2024

WIC009-061-222353-
/O.EXP.KGRB.SV.W.0021.000000T0000Z-240522T2345Z/
Brown WI-Kewaunee WI-
644 PM CDT Wed May 22 2024

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BROWN AND
KEWAUNEE COUNTIES WILL EXPIRE AT 645 PM CDT...

The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However, small
hail, gusty winds and heavy rain are still possible with this
thunderstorm.

&&

LAT...LON 4431 8754 4433 8754 4433 8772 4438 8797
      4455 8796 4461 8738 4431 8749
TIME...MOT...LOC 2343Z 270DEG 34KT 4448 8769 

$$

Bersch

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, 8:03 PM CDT	Tornado Warning	GRB	Waushara	27 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, 6:37 PM CDT	Special Marine Warning	GRB		53 min
May 22, 6:41 PM CDT	Special Weather Statement	GRB	Kewaunee	34 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2024 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.