This alert expired on 12 May 2026 at 19:15 UTC. It is kept here as a record.
It is the 6th strongest of the 17 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 12 at 1:47PM EDT until May 12 at 3:15PM EDT by NWS Tampa Bay Ruskin FL
An estimated 748,974 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 27, 2026 · score 48 · 2.5 km
- August 6, 2026 · score 52 · 11.9 km
- August 3, 2026 · score 52 · 12.4 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 | 28.1923, -82.9925 |
| Nearest City | Tarpon Springs (23 km) |
| Population Exposed | 749.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-12T17:47:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.c92a0b5881a26b50387d7b24655f8cf4 |
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; Coastal waters from Englewood to Tarpon Springs FL out 20 NM; Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM; Waters from Englewood to Tarpon Springs FL out 20 to 60 NM; Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM |
| Headline | Special Marine Warning issued May 12 at 1:47PM EDT until May 12 at 3:15PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-05-12T15:15:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c92a0b5881a26b50387d7b24655f8cf4a0f5c4cc.001.1","noaa_urn:oid:2.49.0.1.840.0.121d4f996bd0fc3b6dd032035d0fc674110c0fc4.001.1"] |
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 Tarpon Springs?
Calamity.live data shows a weather event with CalamityScore 48/100, near Tarpon Springs (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.