This alert expired on 28 August 2026 at 19:15 UTC. It is kept here as a record.
No stronger detection stands among the 6 recorded within 20 km of this point since 17 July 2026 — 3 others scored the same. The last comparable one was on 4 August 2026.
What the source measured
NOAA reported: Special Marine Warning issued August 28 at 2:44PM EDT until August 28 at 3:15PM EDT by NWS Tampa Bay Ruskin FL
An estimated 566,948 people live within 50 km of this point.
Nearby, since 17 July 2026
- July 19, 2026 · score 48 · 7.6 km
- July 17, 2026 · score 22 · 13.3 km
- August 4, 2026 · score 41 · 18.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 out of 100, at 80 % 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) | 48 / 100 |
| Our confidence | 80% |
| Coordinates | 27.7208, -83.1542 |
| Nearest City | Seminole (38 km) |
| Population Exposed | 566.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-28T18:44:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Englewood to Tarpon Springs FL out 20 NM; Waters from Englewood to Tarpon Springs FL out 20 to 60 NM |
| Headline | Special Marine Warning issued August 28 at 2:44PM EDT until August 28 at 3:15PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-08-28T15:15:00-04:00 |
| 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 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.
Calamity.live data shows a weather event with CalamityScore 48/100, near Seminole (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.