This alert expired on 11 July 2026 at 02:45 UTC. It is kept here as a record.
No stronger detection stands among the 16 recorded within 20 km of this point since 17 March 2026 — 7 others scored the same. The last comparable one was on 3 June 2026.
What the source measured
NOAA reported: Special Marine Warning issued July 10 at 10:16PM EDT until July 10 at 10:45PM EDT by NWS Key West FL
An estimated 146,369 people live within 50 km of this point.
Nearby, since 17 March 2026
- March 17, 2026 · score 43 · 14.1 km
- May 31, 2026 · score 43 · 17.8 km
- June 3, 2026 · score 43 · 17.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 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 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) | 43 / 100 |
| Our confidence | 80% |
| Coordinates | 25.1750, -80.5744 |
| Nearest City | Homestead (34 km) |
| Population Exposed | 146.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-11T02:16:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6b9b9382be8aea36c88ff3590c12f69ae08820aa.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound; Bayside and Gulfside from Craig Key to West End of Seven Mile Bridge; Hawk Channel from Ocean Reef to Craig Key out to the reef; Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef; Straits of Florida from Ocean Reef to Craig Key out 20 NM |
| Headline | Special Marine Warning issued July 10 at 10:16PM EDT until July 10 at 10:45PM EDT by NWS Key West FL |
| Expires | 2026-07-10T22:45:00-04:00 |
| 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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.