This alert expired on 14 June 2026 at 17:30 UTC. It is kept here as a record.
It is the 2nd strongest of the 39 detections recorded within 20 km of this point since 14 April 2026. Another comparable one was recorded here earlier the same day. 12 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 14 at 12:46PM EDT until June 14 at 1:30PM EDT by NWS Detroit/Pontiac MI
An estimated 2,312,061 people live within 50 km of this point.
Nearby, since 14 April 2026
- August 2, 2026 · score 46 · 5.7 km
- June 10, 2026 · score 46 · 5.8 km
- May 19, 2026 · score 52 · 9.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 82 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 82% |
| Coordinates | 42.0708, -83.1925 |
| Nearest City | Trenton (8 km) |
| Population Exposed | 2.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-14T16:46:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.0cf15e3864ea2024c1f644922f78f0bfd54c9450.002.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Detroit River; Michigan Waters of Lake Erie from Detroit River to North Cape MI |
| Headline | Special Marine Warning issued June 14 at 12:46PM EDT until June 14 at 1:30PM EDT by NWS Detroit/Pontiac MI |
| Expires | 2026-06-14T13:30:00-04:00 |
| SenderName | NWS Detroit/Pontiac MI |
| 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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 52/100, near Trenton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.