Right now
The most recent data we hold from NOAA arrived 5 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 10 September 2026 at 17:00 UTC. It is kept here as a record.
It is the 13th strongest of the 25 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 9 September 2026. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued September 10 at 12:00PM EDT until September 10 at 1:00PM EDT by NWS Key West FL
An estimated 25,755 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 10, 2026 · score 34 · 5.7 km
- July 5, 2026 · score 34 · 10.5 km
- March 15, 2026 · score 34 · 18.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 28 out of 100, at 82 % 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) | 28 / 100 |
| Our confidence | 82% |
| Coordinates | 24.8540, -81.6040 |
| Nearest City | Key West (37 km) |
| Population Exposed | 25.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-10T16:00:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.8387c315ea9445c6a3b92babbffb7a787d7a0dd8.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms; Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms |
| Headline | Special Marine Warning issued September 10 at 12:00PM EDT until September 10 at 1:00PM EDT by NWS Key West FL |
| Expires | 2026-09-10T13:00:00-04:00 |
| SenderName | NWS Key West FL |
| 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.
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