This alert expired on 17 July 2026 at 20:15 UTC. It is kept here as a record.
No stronger detection stands among the 12 recorded within 20 km of this point since 16 March 2026 — one other scored the same. The last comparable one was on 16 March 2026.
What the source measured
NOAA reported: Special Marine Warning issued July 17 at 3:17PM EDT until July 17 at 4:15PM EDT by NWS Tampa Bay Ruskin FL
An estimated 122,088 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 3, 2026 · score 32 · 15.3 km
- July 27, 2026 · score 43 · 16.3 km
- September 3, 2026 · score 16 · 18.1 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.
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) | 43 / 100 |
| Our confidence | 80% |
| Coordinates | 28.7533, -82.8417 |
| Nearest City | Spring Hill (43 km) |
| Population Exposed | 122.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-17T19:17:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.bc7acfda8ab0e3de07048b95f18f6daa37088ff3.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM; Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM |
| Headline | Special Marine Warning issued July 17 at 3:17PM EDT until July 17 at 4:15PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-07-17T16:15:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
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 in this area?
Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.