Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 34, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at May 30, 2025, 5:16 PM CDT for Brown County, Manitowoc County, Wisconsin. It was in force for 29 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
- May 30, 2025, 5:16 PM CDT (22:16 UTC)
- Expired
- May 30, 2025, 5:45 PM CDT
- In force
- 29 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Brown County, WI, Manitowoc County, WI
The radar
The Green Bay radar (KGRB), 32 km from the middle of the area, began a volume at 22:17 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 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 May 30, 4:04 PM CDT, 1 hour 12 minutes earlier.
Area forecast discussion, May 30, 4:04 PM CDT, 1 hour 12 minutes before
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</html>Hazardous weather outlook, May 30, 2:58 PM CDT, 2 hours 18 minutes before
Hazardous Weather Outlook National Weather Service Green Bay WI 258 PM CDT Fri May 30 2025 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-312000- 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- 258 PM CDT Fri May 30 2025 This Hazardous Weather Outlook is for north-central and northeast Wisconsin. .DAY ONE...Tonight There is a chance of thunderstorms through early evening, with a marginal risk of severe storms in eastern Wisconsin. A few of the strongest storms may produce wind gusts of 40 to 60 mph and hail up to 1 inch in diameter. Smoke from Canadian wildfires will impact the region through tonight. The smoke may reduce visibility and cause air quality issues. An Air Quality Advisory is in effect for the entire area. .DAYS TWO THROUGH SEVEN...Saturday through Friday There is chance of thunderstorms and heavy rainfall during the middle of next week. .SPOTTER INFORMATION STATEMENT... Spotters are asked to report any hail or wind gusts greater than 40 mph to the National Weather Service in Green Bay. LMZ521-522-541>543-312000- The Bay of Green Bay south of a line from Cedar River MI to Rock Island Passage-Lake Michigan from Washington Island to Sheboygan- 258 PM CDT Fri May 30 2025 This Hazardous Weather Outlook is for portions of northwest Lake Michigan and the waters of Green Bay. .DAY ONE...Tonight There is a chance of thunderstorms through late afternoon. A Small Craft Advisory is in effect for the bay and Lake Michigan nearshore waters from Washington Island to Sturgeon Bay from 4 PM to 10 PM today. North winds are expected to gust over 25 knots at times. .DAYS TWO THROUGH SEVEN...Saturday through Friday There is a chance of thunderstorms during the middle of next week. KLJ
In the hours before
Special weather statement, May 30, 4:14 PM CDT, 1 hour 2 minutes before
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</html>Local storm report, May 30, 4:18 PM CDT, 58 minutes before
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</html>Special weather statement, May 30, 4:30 PM CDT, 46 minutes before
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</html>Local storm report, May 30, 4:40 PM CDT, 36 minutes before
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</html>Local storm report, May 30, 5:13 PM CDT, 3 minutes before
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</html>Special weather statement, May 30, 5:13 PM CDT, 3 minutes before
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</html>The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 4:16 AM CDT | Small Craft Advisory | GRB | 18 hr | |
| May 30, 3:16 PM CDT | Special Weather Statement | GRB | Oconto | 29 min |
| May 30, 3:24 PM CDT | Special Marine Warning | GRB | 56 min | |
| May 30, 4:14 PM CDT | Special Weather Statement | GRB | Shawano | 31 min |
| May 30, 4:30 PM CDT | Special Weather Statement | GRB | Kewaunee | 30 min |
| May 30, 4:43 PM CDT | Special Marine Warning | GRB | 32 min | |
| May 30, 4:43 PM CDT | Severe Thunderstorm Warning | GRB | Brown | 47 min |
| May 30, 5:13 PM CDT | Special Weather Statement | GRB | Outagamie | 47 min |
| May 30, 5:39 PM CDT | Special Weather Statement | GRB | Winnebago | 36 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2025Every severe thunderstorm warning in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.