This alert expired on 10 July 2026 at 21:30 UTC. It is kept here as a record.
It is the 7th strongest of the 13 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 4 July 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 10 at 4:33PM EDT until July 10 at 5:30PM EDT by NWS Tampa Bay Ruskin FL
An estimated 424,857 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 15, 2026 · score 43 · 6.0 km
- July 18, 2026 · score 43 · 8.1 km
- August 5, 2026 · score 48 · 20.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 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) | 43 / 100 |
| Our confidence | 80% |
| Coordinates | 26.4063, -82.1808 |
| Nearest City | Iona (25 km) |
| Population Exposed | 424.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-10T20:33:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.f25bc2046b9c3c6614b999080518ae8b |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Charlotte Harbor and Pine Island Sound; Coastal waters from Englewood to Tarpon Springs FL out 20 NM; Coastal waters from Bonita Beach to Englewood FL out 20 NM; Waters from Bonita Beach to Englewood FL out 20 to 60 NM; Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM; Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM |
| Headline | Special Marine Warning issued July 10 at 4:33PM EDT until July 10 at 5:30PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-07-10T17:30:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f25bc2046b9c3c6614b999080518ae8b1a7f23ac.001.1","noaa_urn:oid:2.49.0.1.840.0.510c65c47c8f98aa457636b57eebaebcda4e5969.001.1"] |
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 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.
Want to know when something happens near Iona?
Calamity.live data shows a weather event with CalamityScore 43/100, near Iona (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.