This alert expired on 29 August 2026 at 20:15 UTC. It is kept here as a record.
It is the 9th strongest of the 46 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 27 August 2026.
What the source measured
NOAA reported: Special Marine Warning issued August 29 at 3:08PM EDT until August 29 at 4:15PM EDT by NWS Tampa Bay Ruskin FL
An estimated 479,422 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 28, 2026 · score 43 · 5.0 km
- August 7, 2026 · score 43 · 5.1 km
- August 10, 2026 · score 43 · 5.7 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 86 % 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) | 43 / 100 |
| Our confidence | 86% |
| Coordinates | 26.8470, -82.1630 |
| Nearest City | Punta Gorda Isles (12 km) |
| Population Exposed | 479.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-29T19:08:00.000Z |
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 August 29 at 3:08PM EDT until August 29 at 4:15PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-08-29T16:15:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 57 |
| Iem Unit | MPH |
| Iem City | 2 SE Bonita Shores |
| Iem County | Collier |
| Iem State | FL |
| Iem Wfo | MFL |
| Iem Remark | The Earth Networks Mesonet site at Kalea Bay, Vanderbilt Beach, FL reported a thunderstorm wind gust of 57 mph at 2:39 PM. |
| MergedSources | [{"id":"iem_G_26.300_-81.820_1788028740000","source":"iem","severity":"low","severityValue":25,"timestamp":1788028740000,"latitude":26.3,"longitude":-81.82}] |
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 43/100, near Punta Gorda Isles (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.