Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 95, NWS Green Bay, WI

July 1, 2026Door County, Kewaunee County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jul 1, 2026, 8:33 AM CDT for Door County, Kewaunee County, Wisconsin. It was in force for 57 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 1, 2026, 8:33 AM CDT (13:33 UTC)
Expired: Jul 1, 2026, 9:30 AM CDT
In force: 57 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Door County, WI, Kewaunee County, WI

The radar

The Green Bay radar (KGRB), 56 km from the middle of the area, began a volume at 13:36 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

Detroit, MI (KDTX), launched 12:00Z, 1.6 hours before the alert went out and 388 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: 2180 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 880 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 57 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 1, 7:23 AM CDT, 1 hour 10 minutes earlier.

Area forecast discussion, Jul 1, 7:23 AM CDT, 1 hour 10 minutes before

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Hazardous weather outlook, Jul 1, 3:07 AM CDT, 5 hours 26 minutes before

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In the hours before

Special weather statement, Jul 1, 5:00 AM CDT, 3 hours 33 minutes before

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Local storm report, Jul 1, 7:11 AM CDT, 1 hour 22 minutes before

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Local storm report, Jul 1, 7:46 AM CDT, 47 minutes before

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Local storm report, Jul 1, 8:30 AM 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
Jun 30, 7:03 PM CDT	Special Weather Statement	GRB	Kewaunee	27 min
Jun 30, 7:05 PM CDT	Areal Flood Advisory	GRB	Brown, Kewaunee	107 min
Jun 30, 7:28 PM CDT	Special Marine Warning	GRB		62 min
Jul 1, 12:35 AM CDT	Heat Advisory	GRB	Brown, Calumet, Door, Kewaunee, Manitowoc, Marinette and 7 more	19 hr
Jul 1, 6:05 AM CDT	Severe Thunderstorm Warning	GRB	Waushara	55 min
Jul 1, 6:43 AM CDT	Severe Thunderstorm Warning	GRB	Waupaca, Waushara, Winnebago	47 min
Jul 1, 7:15 AM CDT	Severe Thunderstorm Warning	GRB	Calumet, Outagamie, Winnebago	45 min
Jul 1, 7:25 AM CDT	Severe Thunderstorm Warning	GRB	Calumet, Winnebago	50 min
Jul 1, 7:56 AM CDT	Severe Thunderstorm Warning	GRB	Brown, Calumet, Kewaunee, Manitowoc, Outagamie	64 min
Jul 1, 8:04 AM CDT	Special Marine Warning	GRB		56 min
Jul 1, 8:27 AM CDT	Special Marine Warning	GRB		93 min
Jul 1, 8:36 AM CDT	Special Marine Warning	GRB		84 min
Jul 1, 8:56 AM CDT	Special Marine Warning	GRB		64 min
Jul 1, 9:03 AM CDT	Special Weather Statement	GRB	Manitowoc	57 min
Jul 1, 9:06 AM CDT	Special Marine Warning	GRB		84 min
Jul 1, 9:11 AM CDT	Special Marine Warning	GRB		64 min
Jul 1, 9:21 AM CDT	Severe Thunderstorm Warning	GRB	Door	29 min
Jul 1, 10:09 AM CDT	Special Marine Warning	GRB		36 min
Jul 1, 11:23 AM CDT	Flood Watch	GRB	Brown, Calumet, Kewaunee, Manitowoc, Marathon, Menominee and 8 more	19 hr
Jul 1, 12:33 PM CDT	Special Weather Statement	GRB	Marinette	42 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2026 Every severe thunderstorm warning in 2026

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.