Right now
The most recent data we hold from NOAA arrived 9 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
2 other detections within 20 km in the last 24 hours, the nearest 17 km from here.
This alert expired on 5 September 2026 at 22:30 UTC. It is kept here as a record.
It is the 71st strongest of the 191 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Special Marine Warning issued September 5 at 4:56PM EDT until September 5 at 6:30PM EDT by NWS Melbourne FL
An estimated 228,130 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 13, 2026 · score 43 · 3.8 km
- June 20, 2026 · score 43 · 5.3 km
- May 10, 2026 · score 43 · 6.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 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 v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 37 / 100 |
| Our confidence | 81% |
| Coordinates | 28.4978, -80.5011 |
| Nearest City | Merritt Island (24 km) |
| Population Exposed | 228.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-05T20:56:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.dcd68cb9abd99c1445796d6641c2dd3362d2a3a6.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Volusia-Brevard County Line to Sebastian Inlet 0-20 nm |
| Headline | Special Marine Warning issued September 5 at 4:56PM EDT until September 5 at 6:30PM EDT by NWS Melbourne FL |
| Expires | 2026-09-05T18:30:00-04:00 |
| SenderName | NWS Melbourne 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 near Merritt Island?
Calamity.live data shows a weather event with CalamityScore 37/100, near Merritt Island (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.