This alert expired on 28 May 2026 at 23:30 UTC. It is kept here as a record.
No stronger detection stands among the 70 recorded within 20 km of this point since 15 March 2026 — 49 others scored the same. The last comparable one was on 18 May 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 28 at 6:00PM EDT until May 28 at 7:30PM EDT by NWS Melbourne FL
An estimated 280,674 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 15, 2026 · score 43 · 4.6 km
- May 12, 2026 · score 43 · 5.1 km
- May 9, 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 43 out of 100, at 78 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 78% |
| Coordinates | 29.4580, -81.0047 |
| Nearest City | Ormond Beach (19 km) |
| Population Exposed | 280.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-28T22:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.fc25467d5f028e898244728c6092fccb |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Flagler Beach to Volusia-Brevard County Line 0-20 nm; Flagler Beach to Volusia-Brevard County Line 20-60 nm; Coastal waters from St. Augustine to Flagler Beach FL out 20 NM |
| Headline | Special Marine Warning issued May 28 at 6:00PM EDT until May 28 at 7:30PM EDT by NWS Melbourne FL |
| Expires | 2026-05-28T19:30:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.fc25467d5f028e898244728c6092fccb5d1757c8.001.1","noaa_urn:oid:2.49.0.1.840.0.bdd975cce9e11f936ac20d49d6b5637792f898ea.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 10 February 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 Ormond Beach?
Calamity.live data shows a weather event with CalamityScore 43/100, near Ormond Beach (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.