This alert expired on 10 August 2026 at 23:30 UTC. It is kept here as a record.
It is the 10th strongest of the 44 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 7 August 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued August 10 at 6:35PM EDT until August 10 at 7:30PM EDT by NWS Tampa Bay Ruskin FL
An estimated 479,422 people live within 50 km of this point.
Nearby, since 15 March 2026
- August 7, 2026 · score 43 · 4.0 km
- August 30, 2026 · score 43 · 4.3 km
- July 10, 2026 · score 43 · 4.7 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 83 % 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 | 83% |
| Coordinates | 26.8637, -82.1087 |
| Nearest City | Punta Gorda Isles (7 km) |
| Population Exposed | 479.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-10T22:35:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Charlotte Harbor and Pine Island Sound |
| Headline | Special Marine Warning issued August 10 at 6:35PM EDT until August 10 at 7:30PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-08-10T19:30:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 43 |
| Iem Unit | MPH |
| Iem City | 2 SE Solana |
| Iem County | Charlotte |
| Iem State | FL |
| Iem Wfo | TBW |
| Iem Remark | ASOS station KPGD Punta Gorda. |
| MergedSources | [{"id":"iem_G_26.920_-82.000_1786401720000","source":"iem","severity":"low","severityValue":25,"timestamp":1786401720000,"latitude":26.92,"longitude":-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.