Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is in it.
One other detection within 20 km in the last 24 hours, 7 km from here.
This alert is in force until 9 September 2026, 23:15 UTC.
It is one of only 3 we have recorded within 20 km of this point since 27 April 2026. The last comparable one was on 27 April 2026.
What the source measured
NOAA reported: Special Marine Warning issued September 9 at 5:11PM EDT until September 9 at 7:15PM EDT by NWS Gaylord MI
An estimated 72,051 people live within 50 km of this point.
Nearby, since 27 April 2026
- September 9, 2026 · score 32 · 6.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 32 out of 100, at 80 % 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) | 32 / 100 |
| Our confidence | 80% |
| Coordinates | 46.2165, -84.0290 |
| Nearest City | Sault Ste. Marie (41 km) |
| Population Exposed | 72.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-09T21:11:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.e17bd3fbb998be0d684f68197a7b6d69d00554fb.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | St. Marys River Point Iroquois to E. Potagannissing Bay |
| Headline | Special Marine Warning issued September 9 at 5:11PM EDT until September 9 at 7:15PM EDT by NWS Gaylord MI |
| Expires | 2026-09-09T19:15:00-04:00 |
| SenderName | NWS Gaylord 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 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?