This alert expired on 15 March 2026 at 18:00 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.
What the source measured
NOAA reported: Special Marine Warning issued March 15 at 1:30PM 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
- March 15, 2026 · score 34 · 0.0 km
- 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 78 % 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 | 78% |
| Coordinates | 25.0000, -81.6800 |
| Nearest City | Key West (50 km) |
| Population Exposed | 25.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T17:30:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_aaa9589cd9f032d624aca891a92dde261fe32f16_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 1:30PM EDT until March 15 at 2:00PM EDT by NWS Key West FL |
| Expires | 2026-03-15T14:00:00-04:00 |
| 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 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.