This alert expired on 3 September 2026 at 21:30 UTC. It is kept here as a record.
It is the 15th strongest of the 21 detections recorded within 20 km of this point since 11 July 2026. The last comparable one was on 30 August 2026.
What the source measured
NOAA reported: Special Marine Warning issued September 3 at 4:54PM EDT until September 3 at 5:30PM EDT by NWS Tampa Bay Ruskin FL
Nearby, since 11 July 2026
- August 30, 2026 · score 22 · 5.5 km
- July 31, 2026 · score 22 · 6.5 km
- September 3, 2026 · score 16 · 7.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 61 % 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) | 16 / 100 |
| Our confidence | 61% |
| Coordinates | 29.2403, -83.2524 |
| Nearest City | Gainesville (101 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-03T20:54:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.386d0550731d8ca0c1671d43f85248cc0cf93f7a.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; Apalachee Bay or Coastal Waters From Keaton Beach to Ochlockonee River Fl out to 20 Nm; Coastal waters from Suwannee River to Keaton Beach out 20 NM; Waters from Suwannee River to Apalachicola FL from 20 to 60 NM |
| Headline | Special Marine Warning issued September 3 at 4:54PM EDT until September 3 at 5:30PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-09-03T17:30:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.386d0550731d8ca0c1671d43f85248cc0cf93f7a.001.1","noaa_urn:oid:2.49.0.1.840.0.d11ae577ed1c4420d552aecdb2d074d8f0f1628e.001.1"] |
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 16/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.