Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 1 July 2026 at 00:15 UTC. It is kept here as a record.
No stronger detection stands among the 23 recorded within 20 km of this point since 15 March 2026 — 16 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 30 at 5:43PM CDT until June 30 at 7:15PM CDT by NWS Green Bay WI
An estimated 181,674 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 26, 2026 · score 43 · 13.4 km
- July 1, 2026 · score 43 · 14.7 km
- July 27, 2026 · score 22 · 16.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 84 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 84% |
| Coordinates | 44.7976, -87.7405 |
| Nearest City | Green Bay (38 km) |
| Population Exposed | 181.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-30T22:43:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.c6a146da96f6c74624e038430a6630060df9b57f.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI; Green Bay south of line from Oconto WI to Little Sturgeon Bay WI |
| Headline | Special Marine Warning issued June 30 at 5:43PM CDT until June 30 at 7:15PM CDT by NWS Green Bay WI |
| Expires | 2026-06-30T19:15:00-05:00 |
| SenderName | NWS Green Bay WI |
| HasExactCoords | true |
| Iem TypeSummary | I |
| Iem Magnitude | 103 |
| Iem Unit | F |
| Iem City | Menominee |
| Iem County | Menominee |
| Iem State | MI |
| Iem Wfo | MQT |
| Iem Remark | AWOS station KMNM Menominee Airport. |
| MergedSources | [{"id":"iem_I_45.120_-87.620_1782849420000","source":"iem","severity":"low","severityValue":25,"timestamp":1782849420000,"latitude":45.12,"longitude":-87.62}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
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