This alert expired on 15 March 2026 at 23:00 UTC. It is kept here as a record.
No stronger detection stands among the 28 recorded within 20 km of this point since 15 March 2026 — 22 others scored the same.
What the source measured
NOAA reported: Special Marine Warning issued March 15 at 6:07PM EDT until March 15 at 7:00PM EDT by NWS Jacksonville FL
An estimated 219,347 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 12, 2026 · score 43 · 5.2 km
- July 14, 2026 · score 43 · 10.7 km
- March 15, 2026 · score 43 · 11.9 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.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 77% |
| Coordinates | 29.4026, -80.7327 |
| Nearest City | Ormond Beach (34 km) |
| Population Exposed | 219.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T22:07:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.8b59f63bfe96a2f92ae56d9ae9f35ab4 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from St. Augustine to Flagler Beach FL out 20 NM; Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM; Flagler Beach to Volusia-Brevard County Line 0-20 nm; Volusia-Brevard County Line to Sebastian Inlet 0-20 nm; Flagler Beach to Volusia-Brevard County Line 20-60 nm; Volusia-Brevard County Line to Sebastian Inlet 20-60 nm |
| Headline | Special Marine Warning issued March 15 at 6:07PM EDT until March 15 at 7:00PM EDT by NWS Jacksonville FL |
| Expires | 2026-03-15T19:00:00-04:00 |
| SenderName | NWS Jacksonville FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8b59f63bfe96a2f92ae56d9ae9f35ab4474a8ff1.001.1","noaa_urn:oid:2.49.0.1.840.0.20c049217725ee4d1874af7955d80d0b790ad985.001.1"] |
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.
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 188 scientific monitoring sources.