This alert expired on 3 September 2026 at 02:45 UTC. It is kept here as a record.
It is the 19th strongest of the 30 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 29 August 2026.
What the source measured
NOAA reported: Special Marine Warning issued September 2 at 9:44PM EDT until September 2 at 10:45PM EDT by NWS Tampa Bay Ruskin FL
An estimated 471,769 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 18, 2026 · score 43 · 9.3 km
- July 10, 2026 · score 43 · 9.7 km
- September 3, 2026 · score 37 · 12.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 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 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) | 37 / 100 |
| Our confidence | 80% |
| Coordinates | 26.4133, -82.0833 |
| Nearest City | Iona (17 km) |
| Population Exposed | 471.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T01:44:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.7f1c54afd72085cb3624c39ae389eb9d4b082266.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Charlotte Harbor and Pine Island Sound; Coastal waters from Bonita Beach to Englewood FL out 20 NM |
| Headline | Special Marine Warning issued September 2 at 9:44PM EDT until September 2 at 10:45PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-09-02T22:45:00-04:00 |
| 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 near Iona?
Calamity.live data shows a weather event with CalamityScore 37/100, near Iona (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.