This alert expired on 12 May 2026 at 19:30 UTC. It is kept here as a record.
No stronger detection stands among the 108 recorded within 20 km of this point since 15 March 2026 — 82 others scored the same. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 12 at 2:38PM EDT until May 12 at 3:30PM EDT by NWS Jacksonville FL
An estimated 256,376 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 10, 2026 · score 43 · 1.6 km
- June 25, 2026 · score 43 · 2.9 km
- May 28, 2026 · score 43 · 5.1 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 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) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 29.4941, -81.0368 |
| Nearest City | Palm Coast (19 km) |
| Population Exposed | 256.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-12T18:38:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.45498cd50811b21ff04304777536c175 |
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 |
| Headline | Special Marine Warning issued May 12 at 2:38PM EDT until May 12 at 3:30PM EDT by NWS Jacksonville FL |
| Expires | 2026-05-12T15:30:00-04:00 |
| SenderName | NWS Jacksonville FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.45498cd50811b21ff04304777536c1759f28cd2a.001.1","noaa_urn:oid:2.49.0.1.840.0.1106826d35babd79e9b1c1e0243066535435d732.001.1"] |
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 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 188 scientific monitoring sources.