This alert expired on 17 July 2026 at 11:45 UTC. It is kept here as a record.
It is the 3rd strongest of the 32 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 17 at 6:42AM EDT until July 17 at 7:45AM EDT by NWS Tampa Bay Ruskin FL
An estimated 614,920 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 30, 2026 · score 48 · 2.5 km
- March 16, 2026 · score 48 · 5.7 km
- July 17, 2026 · score 48 · 9.8 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.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 48 / 100 |
| Our confidence | 81% |
| Coordinates | 27.5107, -82.8000 |
| Nearest City | South Bradenton (22 km) |
| Population Exposed | 614.9K within 50 km |
| Impact Tier | significant |
| Date | 2026-07-17 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.baeb832506b54d3a5dd19d658ef1ca92 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | 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; Waters from Bonita Beach to Englewood FL out 20 to 60 NM; 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 |
| Headline | Special Marine Warning issued July 17 at 6:42AM EDT until July 17 at 7:45AM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-07-17T07:45:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.baeb832506b54d3a5dd19d658ef1ca9262c774a7.001.1","noaa_urn:oid:2.49.0.1.840.0.0ee2d7107b2715936c9010a7ab0c3a4dc82c8b53.001.1"] |
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.
Calamity.live data shows a weather event with CalamityScore 48/100, near South Bradenton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.