This alert expired on 12 May 2026 at 16:45 UTC. It is kept here as a record.
It is the 3rd strongest of the 9 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 16 March 2026.
What the source measured
NOAA reported: Special Marine Warning issued May 12 at 11:59AM EDT until May 12 at 12:45PM EDT by NWS Tampa Bay Ruskin FL
An estimated 162,745 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 16, 2026 · score 43 · 12.9 km
- September 3, 2026 · score 16 · 16.6 km
- May 12, 2026 · score 48 · 23.1 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 81 % 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 | 81% |
| Coordinates | 28.3440, -83.1540 |
| Nearest City | Holiday (44 km) |
| Population Exposed | 162.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-12T15:59:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.1a95d6005329cbd950c5c5920ec2d32702d4bfba.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM; Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM |
| Headline | Special Marine Warning issued May 12 at 11:59AM EDT until May 12 at 12:45PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-05-12T12:45:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin 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.