This alert expired on 16 March 2026 at 22:30 UTC. It is kept here as a record.
No stronger detection stands among the 22 recorded within 20 km of this point since 15 March 2026 — 14 others scored the same. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued March 16 at 4:24PM EDT until March 16 at 6:30PM EDT by NWS Jacksonville FL
An estimated 196,510 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 5, 2026 · score 43 · 4.9 km
- March 15, 2026 · score 43 · 6.7 km
- July 14, 2026 · score 43 · 14.5 km
How we know
Confirmed by 12 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 88 % 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 | 88% |
| Coordinates | 29.5627, -80.7881 |
| Nearest City | Ormond Beach (40 km) |
| Population Exposed | 196.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T20:24:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.e021262c4589d3394ecab4072ffbde2b |
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 Fernandina Beach to St. Augustine FL from 20 to 60 NM; Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM; Flagler Beach to Volusia-Brevard County Line 0-20 nm; Flagler Beach to Volusia-Brevard County Line 20-60 nm |
| Headline | Special Marine Warning issued March 16 at 4:24PM EDT until March 16 at 6:30PM EDT by NWS Jacksonville FL |
| Expires | 2026-03-16T18:30:00-04:00 |
| SenderName | NWS Jacksonville FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e021262c4589d3394ecab4072ffbde2b45c427a8.001.1","noaa_urn:oid:2.49.0.1.840.0.bdcba0927138c4c906a43faaa0126db05fdb20ff.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 2 ESE Spuds |
| Spc County | St. Johns |
| Spc State | FL |
| Spc Comments | A storm chaser shared pictures of a tree down across FL 206 near Hamilton Ave. Time was estimated by radar. (JAX) |
| Iem TypeSummary | M |
| Iem Magnitude | 51 |
| Iem Unit | MPH |
| Iem City | 2 SSE Butler Beach |
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 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 187 scientific monitoring sources.