This alert expired on 12 May 2026 at 22:00 UTC. It is kept here as a record.
No stronger detection stands among the 23 recorded within 20 km of this point since 15 March 2026 — 17 others scored the same. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 12 at 5:39PM EDT until May 12 at 6:00PM EDT by NWS Jacksonville FL
An estimated 173,483 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 14, 2026 · score 43 · 5.5 km
- March 15, 2026 · score 43 · 9.7 km
- July 5, 2026 · score 43 · 14.4 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 86 % 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 | 86% |
| Coordinates | 29.4421, -80.7031 |
| Nearest City | Ormond Beach (39 km) |
| Population Exposed | 173.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-12T21:39:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.d2176bb0c0e7656ce99e2ff847a60f6d |
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; Flagler Beach to Volusia-Brevard County Line 20-60 nm |
| Headline | Special Marine Warning issued May 12 at 5:39PM EDT until May 12 at 6:00PM EDT by NWS Jacksonville FL |
| Expires | 2026-05-12T18:00:00-04:00 |
| SenderName | NWS Jacksonville FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d2176bb0c0e7656ce99e2ff847a60f6dbcccbe11.002.1","noaa_urn:oid:2.49.0.1.840.0.09b48d44206776cefa7020b8a06058be0201f393.001.1"] |
| Iem TypeSummary | R |
| Iem Magnitude | 3.4 |
| Iem Unit | Inch |
| Iem City | 2 S Palm Coast |
| Iem County | Flagler |
| Iem State | FL |
| Iem Wfo | JAX |
| Iem Remark | 3.40 inches of rainfall over the past 3 hours. Ditches are full and flooding into the street. |
| MergedSources | [{"id":"iem_R_29.540_-81.220_1778616000000","source":"iem","severity":"low","severityValue":25,"timestamp":1778616000000,"latitude":29.54,"longitude":-81.22}] |
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.