This alert expired on 3 September 2026 at 05:00 UTC. It is kept here as a record.
It is the 18th strongest of the 42 detections recorded within 20 km of this point since 4 April 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 3 at 12:00AM EDT until September 3 at 1:00AM EDT by NWS Detroit/Pontiac MI
An estimated 3,219,678 people live within 50 km of this point.
Nearby, since 4 April 2026
- September 3, 2026 · score 46 · 0.8 km
- June 9, 2026 · score 76 · 2.9 km
- June 9, 2026 · score 76 · 4.4 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 87 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 87% |
| Coordinates | 42.2339, -83.1417 |
| Nearest City | Wyandotte (3 km) |
| Population Exposed | 3.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T04:00:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.42b08c6d3a03e3a356f4927fbcff88e40f22c64b.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Wayne, MI |
| Headline | Severe Thunderstorm Warning issued September 3 at 12:00AM EDT until September 3 at 1:00AM EDT by NWS Detroit/Pontiac MI |
| Expires | 2026-09-03T01:00:00-04:00 |
| SenderName | NWS Detroit/Pontiac MI |
| HasExactCoords | true |
| Google News RssFeed | weather |
| Google News SourceName | The Detroit News |
| MergedSources | [{"id":"gnews_weather_496779_194","source":"google_news","severity":"medium","severityValue":40,"timestamp":1788406560000,"latitude":42.33,"longitude":-83.05}] |
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 near Wyandotte?
Calamity.live data shows a weather event with CalamityScore 46/100, near Wyandotte (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.