Right now
The most recent data we hold from NOAA arrived 8 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 9 July 2026 at 02:19 UTC. It is kept here as a record.
It is the 4th strongest of the 17 detections recorded within 20 km of this point since 27 April 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 8 at 9:09PM CDT until July 8 at 9:15PM CDT by NWS Milwaukee/Sullivan WI
An estimated 886,369 people live within 50 km of this point.
Nearby, since 27 April 2026
- June 16, 2026 · score 48 · 7.5 km
- June 11, 2026 · score 41 · 9.8 km
- June 12, 2026 · score 41 · 14.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 out of 100, at 81 % 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) | 48 / 100 |
| Our confidence | 81% |
| Coordinates | 43.0560, -87.4360 |
| Nearest City | Cudahy (36 km) |
| Population Exposed | 886.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-09T02:09:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fb4bbe4e3b4508918af5c4cb1678cba7c2269905.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake; Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake |
| Headline | Special Marine Warning issued July 8 at 9:09PM CDT until July 8 at 9:15PM CDT by NWS Milwaukee/Sullivan WI |
| Expires | 2026-07-08T21:19:00-05:00 |
| SenderName | NWS Milwaukee/Sullivan WI |
| HasExactCoords | true |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 48/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.