This alert expired on 3 September 2026 at 21:45 UTC. It is kept here as a record.
It is the 11th strongest of the 18 detections recorded within 20 km of this point since 17 July 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Special Marine Warning issued September 3 at 5:11PM EDT until September 3 at 5:45PM EDT by NWS Tallahassee FL
Nearby, since 17 July 2026
- July 31, 2026 · score 22 · 2.1 km
- August 30, 2026 · score 22 · 12.0 km
- September 2, 2026 · score 16 · 21.7 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 | 29.2287, -83.3254 |
| Nearest City | Gainesville (108 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-03T21:11:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.a4aa5c74ef3fcef79f2e2f2684f42c08a48e6aee.002.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Suwannee River to Keaton Beach out 20 NM; Waters from Suwannee River to Apalachicola FL from 20 to 60 NM; Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM |
| Headline | Special Marine Warning issued September 3 at 5:11PM EDT until September 3 at 5:45PM EDT by NWS Tallahassee FL |
| Expires | 2026-09-03T17:45:00-04:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a4aa5c74ef3fcef79f2e2f2684f42c08a48e6aee.002.1","noaa_urn:oid:2.49.0.1.840.0.386d0550731d8ca0c1671d43f85248cc0cf93f7a.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.