This alert expired on 15 March 2026 at 22:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 228 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued March 15 at 4:55PM EDT until March 15 at 6:00PM EDT by NWS Melbourne FL
An estimated 228,130 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 29, 2026 · score 43 · 2.3 km
- July 20, 2026 · score 37 · 3.1 km
- August 3, 2026 · score 37 · 4.0 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 77 % 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 | 77% |
| Coordinates | 28.5143, -80.6698 |
| Nearest City | Cocoa (15 km) |
| Population Exposed | 228.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T20:55:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special-Marine-Warning_noaa_urn-oid-2_49_0_1_840_0_31046d83974a77a8109294495b3b6f2f |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Flagler Beach to Volusia-Brevard County Line 0-20 nm; Volusia-Brevard County Line to Sebastian Inlet 0-20 nm; Volusia-Brevard County Line to Sebastian Inlet 0-20 nm |
| Headline | Special Marine Warning issued March 15 at 4:55PM EDT until March 15 at 6:00PM EDT by NWS Melbourne FL |
| Expires | 2026-03-15T18:00:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.31046d83974a77a8109294495b3b6f2f9c5d9be7.001.1","noaa_urn:oid:2.49.0.1.840.0.014a6fd04ef782521c8a1f582d1e6f04fec9774d.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 Cocoa?
Calamity.live data shows a weather event with CalamityScore 43/100, near Cocoa (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.