This alert expired on 17 July 2026 at 10:45 UTC. It is kept here as a record.
It is the 3rd strongest of the 27 detections recorded within 20 km of this point since 25 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 17 at 5:53AM EDT until July 17 at 6:45AM EDT by NWS Tampa Bay Ruskin FL
An estimated 567,964 people live within 50 km of this point.
Nearby, since 25 March 2026
- August 29, 2026 · score 48 · 4.2 km
- August 6, 2026 · score 41 · 5.5 km
- July 24, 2026 · score 41 · 10.1 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 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 48 / 100 |
| Our confidence | 81% |
| Coordinates | 27.3929, -82.5360 |
| Nearest City | Sarasota (6 km) |
| Population Exposed | 568.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-17T09:53:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.0ee2d7107b2715936c9010a7ab0c3a4d |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Tampa Bay waters; Coastal waters from Englewood to Tarpon Springs FL out 20 NM; Coastal waters from Bonita Beach to Englewood FL out 20 NM; Waters from Englewood to Tarpon Springs FL out 20 to 60 NM; Waters from Bonita Beach to Englewood FL out 20 to 60 NM; Tampa Bay waters; 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 Englewood to Tarpon Springs FL out 20 to 60 NM |
| Headline | Special Marine Warning issued July 17 at 5:53AM EDT until July 17 at 6:45AM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-07-17T06:45:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0ee2d7107b2715936c9010a7ab0c3a4dc82c8b53.001.1","noaa_urn:oid:2.49.0.1.840.0.a61636221a2b5914c09e7dc417dab0307494937c.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 near Sarasota?
Calamity.live data shows a weather event with CalamityScore 48/100, near Sarasota (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.