Right now
The most recent data we hold from NOAA arrived 17 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 8 July 2026 at 23:15 UTC. It is kept here as a record.
It is the 10th strongest of the 40 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 1 July 2026. 21 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 8 at 5:11PM CDT until July 8 at 6:15PM CDT by NWS Green Bay WI
Nearby, since 15 March 2026
- June 30, 2026 · score 43 · 11.4 km
- July 27, 2026 · score 22 · 14.4 km
- July 1, 2026 · score 43 · 20.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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) | 22 / 100 |
| Legacy data-support index | 0.60/1 |
| Coordinates | 44.6772, -87.3340 |
| Nearest City | Bellevue (53 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-08T22:11:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.ffce721eccd6f984567a0694b4ea64b8 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-07-08T22:11:00.000Z.
First archived: 2026-07-08T22:33:40.834Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Sturgeon Bay to Two Rivers WI; Two Rivers to Sheboygan WI; Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake; Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake; Green Bay North of line from Cedar River MI to Rock Island Passage; Sturgeon Bay to Two Rivers WI; Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake |
| Headline | Special Marine Warning issued July 8 at 5:11PM CDT until July 8 at 6:15PM CDT by NWS Green Bay WI |
| Expires | 2026-07-08T18:15:00-05:00 |
| SenderName | NWS Green Bay WI |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ffce721eccd6f984567a0694b4ea64b8580716ff.001.1","noaa_urn:oid:2.49.0.1.840.0.75f5923cd9204a9aa8e625120f44af988d3c8dd6.001.1","noaa_urn:oid:2.49.0.1.840.0.6ba5c307c76baa4c7fe3ac15ecb5cc6ca4fc7ef5.001.1"] |
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.
Review the area, threshold and delivery channel in your account.
Want to know when something happens in this area?