This alert expired on 16 March 2026 at 23:45 UTC. It is kept here as a record.
No stronger detection stands among the 10 recorded within 20 km of this point since 12 March 2026 — 7 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued March 16 at 6:22PM EDT until March 16 at 7:45PM EDT by NWS Melbourne FL
An estimated 102,098 people live within 50 km of this point.
Nearby, since 12 March 2026
- June 1, 2026 · score 43 · 8.4 km
- June 1, 2026 · score 43 · 10.9 km
- June 1, 2026 · score 22 · 12.0 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 76 % 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 | 76% |
| Coordinates | 27.5905, -79.9587 |
| Nearest City | Fort Pierce (40 km) |
| Population Exposed | 102.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T22:22:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.eab51bce0144e92fe2a9c2638192e6fd |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Volusia-Brevard County Line to Sebastian Inlet 0-20 nm; Sebastian Inlet to Jupiter Inlet 0-20 nm; Sebastian Inlet to Jupiter Inlet 0-20 nm; Sebastian Inlet to Jupiter Inlet 20-60 nm; Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM; Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM and 1 more areas |
| Headline | Special Marine Warning issued March 16 at 6:22PM EDT until March 16 at 7:45PM EDT by NWS Melbourne FL |
| Expires | 2026-03-16T19:45:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.eab51bce0144e92fe2a9c2638192e6fda86b6d12.001.1","noaa_urn:oid:2.49.0.1.840.0.db285cd119aab9b251914fbb3b32ca758822b8e6.001.1","noaa_urn:oid:2.49.0.1.840.0.377fdc6331993ae7fba7c9b8535b01bf18cc66d6.001.1","noaa_urn:oid:2.49.0.1.840.0.61693cb5a8e5231f741e7230929ee9bbc0f67312.001.1"] |
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 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.