This alert expired on 15 July 2026 at 02:15 UTC. It is kept here as a record.
No stronger detection stands among the 73 recorded within 20 km of this point since 8 March 2026 — 39 others scored the same. The last comparable one was on 11 July 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 14 at 9:19PM EDT until July 14 at 10:15PM EDT by NWS Jacksonville FL
An estimated 1,146,284 people live within 50 km of this point.
Nearby, since 8 March 2026
- June 15, 2026 · score 52 · 2.9 km
- June 17, 2026 · score 46 · 2.9 km
- August 12, 2026 · score 52 · 6.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 81 % 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) | 52 / 100 |
| Our confidence | 81% |
| Coordinates | 30.3937, -81.2250 |
| Nearest City | Jacksonville Beach (20 km) |
| Population Exposed | 1.1M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-15T01:19:00.000Z |
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 |
| Headline | Special Marine Warning issued July 14 at 9:19PM EDT until July 14 at 10:15PM EDT by NWS Jacksonville FL |
| Expires | 2026-07-14T22:15:00-04:00 |
| 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.
Calamity.live data shows a weather event with CalamityScore 52/100, near Jacksonville Beach (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.