Right now
The most recent data we hold from NOAA arrived 49 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 16 March 2026 at 20:00 UTC. It is kept here as a record.
No stronger detection stands among the 27 recorded within 20 km of this point since 15 March 2026 — 21 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued March 16 at 2:31PM EDT until March 16 at 4:00PM EDT by NWS Melbourne FL
An estimated 219,347 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 12, 2026 · score 43 · 5.3 km
- July 13, 2026 · score 43 · 8.1 km
- August 2, 2026 · score 37 · 8.3 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 77 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 77% |
| Coordinates | 29.2534, -80.6914 |
| Nearest City | Daytona Beach (32 km) |
| Population Exposed | 219.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T18:31:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.45cf1fa3a131907f55e736ff54bb480e |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Flagler Beach to Volusia-Brevard County Line 0-20 nm; Flagler Beach to Volusia-Brevard County Line 20-60 nm; Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM; Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM; Coastal waters from St. Augustine to Flagler Beach FL out 20 NM; Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 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; Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM and 7 more areas |
| Headline | Special Marine Warning issued March 16 at 2:31PM EDT until March 16 at 4:00PM EDT by NWS Melbourne FL |
| Expires | 2026-03-16T16:00:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.45cf1fa3a131907f55e736ff54bb480e9a222c9c.001.1","noaa_urn:oid:2.49.0.1.840.0.c814dad0196bd6fd16a670a23c6003d2751cc603.001.1","noaa_urn:oid:2.49.0.1.840.0.ebfa47444dc960945c1cf9a927cab0e90d4a227e.001.1","noaa_urn:oid:2.49.0.1.840.0.a4a7fe1aab29c52b2ac3c70d6aa74b04d513d94a.001.1","noaa_urn:oid:2.49.0.1.840.0.2d8c56d21b86803136d0ec25a9a675fb17a42f15.001.1","noaa_urn:oid:2.49.0.1.840.0.80badf546f5a4c0b66e6a55751e98c6f9782a6fa.001.1","noaa_urn:oid:2.49.0.1.840.0.329cdc2da1549db56e536f8b74b58e89d702ee90.001.1","noaa_urn:oid:2.49.0.1.840.0.44060733a2533e9a96cd61ba7fc9b29364536d52.001.1","noaa_urn:oid:2.49.0.1.840.0.b9215bb476b0d25edc16b8e9ebe1f0709ee8854f.001.1","noaa_urn:oid:2.49.0.1.840.0.a2be03fe5c4a589c38e8fa33c9687171a464ef10.001.1"] |
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 8 March 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 in this area?
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 185 scientific monitoring sources.