This alert expired on 15 March 2026 at 18:04 UTC. It is kept here as a record.
No stronger detection stands among the 5 recorded within 20 km of this point since 15 March 2026 — one other scored the same. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued March 15 at 1:54PM EDT until March 15 at 2:00PM EDT by NWS Key West FL
An estimated 25,755 people live within 50 km of this point.
Nearby, since 15 March 2026
- August 13, 2026 · score 22 · 22.6 km
- June 27, 2026 · score 22 · 25.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 77 % 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) | 34 / 100 |
| Our confidence | 77% |
| Coordinates | 25.0000, -81.6800 |
| Nearest City | Key West (50 km) |
| Population Exposed | 25.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T17:54:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_b55763dd9a046221f9f398476efe6fa8e207630f_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 |
| Headline | Special Marine Warning issued March 15 at 1:54PM EDT until March 15 at 2:00PM EDT by NWS Key West FL |
| Expires | 2026-03-15T14:04:00-04:00 |
| 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 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.
Want to know when something happens near Key West?
Calamity.live data shows a weather event with CalamityScore 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 187 scientific monitoring sources.