This alert expired on 16 March 2026 at 20:45 UTC. It is kept here as a record.
It is the 4th strongest of the 10 detections recorded within 20 km of this point since 16 March 2026.
What the source measured
NOAA reported: Special Marine Warning issued March 16 at 3:22PM EDT until March 16 at 4:45PM EDT by NWS Tampa Bay Ruskin FL
An estimated 371,202 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 12, 2026 · score 43 · 12.9 km
- July 27, 2026 · score 48 · 13.0 km
- August 6, 2026 · score 41 · 14.7 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 83 % 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 | 83% |
| Coordinates | 28.3439, -83.0220 |
| Nearest City | New Port Richey (32 km) |
| Population Exposed | 371.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T19:22:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.56b499a32619fb69a72b663d217f3f3b |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Tampa Bay waters; 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; 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 |
| Headline | Special Marine Warning issued March 16 at 3:22PM EDT until March 16 at 4:45PM EDT by NWS Tampa Bay Ruskin FL |
| Expires | 2026-03-16T16:45:00-04:00 |
| SenderName | NWS Tampa Bay Ruskin FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.56b499a32619fb69a72b663d217f3f3bf920250a.001.1","noaa_urn:oid:2.49.0.1.840.0.7452c10e4d3630e8bbfb3da832164b76d5b1ab25.001.1"] |
| Iem TypeSummary | N |
| Iem Magnitude | 40 |
| Iem Unit | MPH |
| Iem City | 3 NE Weeki Wachee |
| Iem County | Hernando |
| Iem State | FL |
| Iem Wfo | TBW |
| Iem Remark | Mesonet station in Weeki Wachee reported a wind gust of 40mph. |
| MergedSources | [{"id":"iem_N_28.550_-82.550_1773682500000","source":"iem","severity":"low","severityValue":25,"timestamp":1773682500000,"latitude":28.55,"longitude":-82.55}] |
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.