Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 15, NWS Green Bay, WI

July 22, 2023Oconto County, Shawano County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jul 22, 2023, 5:01 PM CDT for Oconto County, Shawano County, Wisconsin. It was in force for 17 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: Jul 22, 2023, 5:01 PM CDT (22:01 UTC)
Expired: Jul 22, 2023, 5:18 PM CDT
In force: 17 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Oconto County, WI, Shawano County, WI

The radar

The Green Bay radar (KGRB), 53 km from the middle of the area, began a volume at 22:05 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 nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.0 hours before the alert went out and 56 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: 488 J/kg
Mixed-layer CIN: -84 J/kg
Mixed-layer LCL: 1336 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 16 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 22, 3:07 PM CDT, 1 hour 54 minutes earlier.

Area forecast discussion, Jul 22, 3:07 PM CDT, 1 hour 54 minutes before

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Hazardous weather outlook, Jul 22, 2:27 PM CDT, 2 hours 34 minutes before

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In the hours before

Special weather statement, Jul 22, 3:17 PM CDT, 1 hour 44 minutes before

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Local storm report, Jul 22, 3:22 PM CDT, 1 hour 39 minutes before

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Special weather statement, Jul 22, 3:22 PM CDT, 1 hour 39 minutes before

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Local storm report, Jul 22, 3:55 PM CDT, 1 hour 6 minutes before

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Special weather statement, Jul 22, 4:31 PM CDT, 30 minutes before

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Special weather statement, Jul 22, 4:58 PM CDT, 3 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 12:25 PM CDT	Special Weather Statement	GRB	Door	50 min
Jul 22, 1:09 PM CDT	Special Weather Statement	GRB	Kewaunee	51 min
Jul 22, 1:18 PM CDT	Special Weather Statement	GRB	Manitowoc	42 min
Jul 22, 1:21 PM CDT	Special Weather Statement	GRB	Marinette, Oconto	39 min
Jul 22, 1:32 PM CDT	Special Weather Statement	GRB	Winnebago	43 min
Jul 22, 1:55 PM CDT	Special Weather Statement	GRB	Marinette	50 min
Jul 22, 1:56 PM CDT	Special Weather Statement	GRB	Manitowoc	34 min
Jul 22, 2:02 PM CDT	Special Weather Statement	GRB	Winnebago	28 min
Jul 22, 2:04 PM CDT	Special Weather Statement	GRB	Waushara	26 min
Jul 22, 2:12 PM CDT	Special Weather Statement	GRB	Winnebago	33 min
Jul 22, 2:20 PM CDT	Special Weather Statement	GRB	Kewaunee	40 min
Jul 22, 2:26 PM CDT	Special Weather Statement	GRB	Winnebago	34 min
Jul 22, 2:28 PM CDT	Special Weather Statement	GRB	Marinette	47 min
Jul 22, 2:54 PM CDT	Special Weather Statement	GRB	Kewaunee	36 min
Jul 22, 2:56 PM CDT	Special Weather Statement	GRB	Outagamie	34 min
Jul 22, 3:02 PM CDT	Special Weather Statement	GRB	Brown	28 min
Jul 22, 3:17 PM CDT	Special Weather Statement	GRB	Sheboygan	43 min
Jul 22, 3:22 PM CDT	Special Weather Statement	GRB	Brown	23 min
Jul 22, 4:31 PM CDT	Special Weather Statement	GRB	Wood	44 min
Jul 22, 4:58 PM CDT	Special Weather Statement	GRB	Oconto	47 min
Jul 22, 5:29 PM CDT	Special Weather Statement	GRB	Menominee	46 min
Jul 22, 5:44 PM CDT	Special Weather Statement	GRB	Oconto	46 min
Jul 22, 6:07 PM CDT	Areal Flood Advisory	GRB	Oconto, Shawano	110 min
Jul 22, 6:12 PM CDT	Special Weather Statement	GRB	Marinette	48 min
Jul 22, 6:26 PM CDT	Special Weather Statement	GRB	Waushara	49 min
Jul 22, 6:30 PM CDT	Special Weather Statement	GRB	Oconto	45 min
Jul 22, 6:57 PM CDT	Special Weather Statement	GRB	Marinette	48 min
Jul 21, 7:43 PM CDT	Special Weather Statement	GRB	Menominee	47 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2023 Every severe thunderstorm warning in 2023

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.