Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 55, NWS Green Bay, WI

August 2, 20224 counties in Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Aug 2, 2022, 11:13 PM CDT for 4 counties in Wisconsin. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 2, 2022, 11:13 PM CDT (04:13 UTC)
Expired: Aug 3, 2022, 12:00 AM CDT
In force: 47 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Tornado: Possible
Damage threat: Considerable
Hail: 0.75 in
Wind: 70.0 mph

Counties Langlade County, WI, Lincoln County, WI, Marathon County, WI, Oneida County, WI

The radar

The Green Bay radar (KGRB), 143 km from the middle of the area, began a volume at 04:14 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
Aug 2, 8:03 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 4.2 hours before the alert went out and 145 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: 213 J/kg
Mixed-layer CIN: -445 J/kg
Mixed-layer LCL: 1011 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 225 m²/s²
0-3 km storm-relative helicity: 226 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Green Bay, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 2, 8:32 PM CDT, 2 hours 41 minutes earlier.

Area forecast discussion, Aug 2, 8:32 PM CDT, 2 hours 41 minutes before

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Hazardous weather outlook, Aug 2, 8:43 PM CDT, 2 hours 30 minutes before

Hazardous Weather Outlook
National Weather Service Green Bay WI
843 PM CDT Tue Aug 2 2022

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-040145-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
843 PM CDT Tue Aug 2 2022

This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.

.DAY ONE...Tonight

Scattered thunderstorms are expected across the region tonight.
Severe thunderstorms with large hail, damaging winds and
torrential rainfall will be possible, especially over north
central and central Wisconsin during the late evening and early
overnight hours.

.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday

Scattered thunderstorms are possible Wednesday as a cold front
moves across the area. A few could produce gusty winds and heavy
rain.

Very warm and humid weather is likely Wednesday, particularly across
east-central and portions of far northeast Wisconsin where heat
index values over 90 are possible.

Hazardous swimming conditions are possible at beaches along Lake
Michigan on Wednesday due to high wave action.

Thunderstorms are possible this weekend, but it's too early to
determine if they might be severe.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed tonight, especially in north
central and central Wisconsin during the late evening and early
overnight hours.

LMZ521-522-541>543-040145-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
843 PM CDT Tue Aug 2 2022

This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.

.DAY ONE...Tonight

Thunderstorms are possible tonight, any storms would pose a
hazard to mariners.

Gusty winds and building waves will likely create conditions
hazardous to small craft starting tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday

Thunderstorms are possible Wednesday and again this weekend, any
storms would pose a hazard to mariners.

Gusty winds and high waves will likely create conditions hazardous
to small craft on Wednesday.

Kieckbusch

In the hours before

Special weather statement, Aug 2, 9:30 PM CDT, 1 hour 43 minutes before

Special Weather Statement
National Weather Service Green Bay WI
930 PM CDT Tue Aug 2 2022

WIZ005-030330-
Vilas WI-
930 PM CDT Tue Aug 2 2022

...A strong thunderstorm will impact portions of southwestern Vilas
County through 1030 PM CDT...

At 930 PM CDT, Doppler radar was tracking a strong thunderstorm over
Turtle Flambeau Flowage, moving east at 20 mph.

HAZARD...Winds in excess of 30 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Lac Du Flambeau and Manitowish Waters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons in campgrounds should consider seeking sturdy shelter until
this storm passes.

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
north central Wisconsin.

&&

LAT...LON 4615 8972 4590 8981 4590 8990 4591 9004
      4598 9004 4598 8993 4617 8993
TIME...MOT...LOC 0230Z 282DEG 18KT 4610 9022

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

Kieckbusch

Special weather statement, Aug 2, 10:04 PM CDT, 1 hour 9 minutes before

Special Weather Statement
National Weather Service Green Bay WI
1004 PM CDT Tue Aug 2 2022

WIZ005-010-030345-
Vilas WI-Oneida WI-
1004 PM CDT Tue Aug 2 2022

...Strong thunderstorms will impact portions of southwestern Vilas
and northwestern Oneida Counties through 1045 PM CDT...

At 1003 PM CDT, Doppler radar was tracking a strong thunderstorm near
Turtle Flambeau Flowage, moving east at 20 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
  Lac Du Flambeau.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
north central Wisconsin.

&&

LAT...LON 4612 8950 4565 8964 4582 9005 4598 9005
      4598 8993 4614 8993
TIME...MOT...LOC 0303Z 274DEG 18KT 4600 9012

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

EB

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 9:30 PM CDT	Special Weather Statement	GRB	Vilas	60 min
Aug 2, 10:04 PM CDT	Special Weather Statement	GRB	Oneida	41 min
Aug 2, 10:30 PM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Lincoln, Oneida	45 min
Aug 3, 12:00 AM CDT	Severe Thunderstorm Warning	GRB	Langlade, Marathon, Menominee, Shawano	15 min
Aug 3, 2:16 AM CDT	Special Weather Statement	GRB	Marathon, Wood	44 min
Aug 3, 2:48 AM CDT	Special Weather Statement	GRB	Marathon	42 min
Aug 3, 3:02 AM CDT	Special Weather Statement	GRB	Portage	43 min
Aug 3, 3:09 AM CDT	Special Weather Statement	GRB	Lincoln, Marathon	51 min
Aug 3, 3:14 AM CDT	Special Weather Statement	GRB	Vilas	46 min
Aug 3, 3:39 AM CDT	Special Weather Statement	GRB	Oneida, Vilas	51 min
Aug 3, 3:46 AM CDT	Special Weather Statement	GRB	Langlade	44 min
Aug 3, 5:26 AM CDT	Special Weather Statement	GRB	Wood	49 min
Aug 3, 5:54 AM CDT	Special Weather Statement	GRB	Portage, Waushara, Wood	51 min
Aug 3, 6:07 AM CDT	Special Weather Statement	GRB	Portage, Waupaca, Waushara	38 min
Aug 3, 6:26 AM CDT	Special Weather Statement	GRB	Waushara, Winnebago	49 min
Aug 3, 6:43 AM CDT	Special Weather Statement	GRB	Calumet, Winnebago	47 min
Aug 3, 7:23 AM CDT	Severe Thunderstorm Warning	GRB	Brown, Calumet, Kewaunee, Manitowoc	52 min
Aug 3, 7:33 AM CDT	Special Marine Warning	GRB		75 min
Aug 3, 2:28 PM CDT	Special Weather Statement	GRB	Portage	47 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2022 Every severe thunderstorm warning in 2022

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.