This alert expired on 16 June 2026 at 19:30 UTC. It is kept here as a record.
No stronger detection stands among the 53 recorded within 20 km of this point since 15 March 2026 — 23 others scored the same. The last comparable one was on 15 June 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 16 at 2:35PM EDT until June 16 at 3:30PM EDT by NWS Jacksonville FL
An estimated 142,912 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 9, 2026 · score 43 · 10.4 km
- July 20, 2026 · score 43 · 10.5 km
- June 18, 2026 · score 43 · 10.8 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 80 % 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 | 80% |
| Coordinates | 29.7725, -81.2287 |
| Nearest City | Palm Coast (21 km) |
| Population Exposed | 142.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-16T18:35:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.c90d32a9609772a3b53c04e04bc4b924fa4c7e19.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM; Coastal waters from St. Augustine to Flagler Beach FL out 20 NM |
| Headline | Special Marine Warning issued June 16 at 2:35PM EDT until June 16 at 3:30PM EDT by NWS Jacksonville FL |
| Expires | 2026-06-16T15:30:00-04:00 |
| SenderName | NWS Jacksonville 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 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 Palm Coast?
Calamity.live data shows a weather event with CalamityScore 43/100, near Palm Coast (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 187 scientific monitoring sources.