This alert expired on 20 July 2026 at 20:45 UTC. It is kept here as a record.
No stronger detection stands among the 43 recorded within 20 km of this point since 10 May 2026 — one other scored the same. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 20 at 3:45PM EDT until July 20 at 4:45PM EDT by NWS Melbourne FL
An estimated 515,825 people live within 50 km of this point.
Nearby, since 10 May 2026
- August 4, 2026 · score 48 · 2.5 km
- June 20, 2026 · score 43 · 3.5 km
- July 14, 2026 · score 43 · 8.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 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) | 48 / 100 |
| Our confidence | 81% |
| Coordinates | 27.7060, -80.3853 |
| Nearest City | Vero Beach (7 km) |
| Population Exposed | 515.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-20T19:45:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a1fa6284fd45e7c0f138cb4183d3a108bd5a313f.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Sebastian Inlet to Jupiter Inlet 0-20 nm |
| Headline | Special Marine Warning issued July 20 at 3:45PM EDT until July 20 at 4:45PM EDT by NWS Melbourne FL |
| Expires | 2026-07-20T16:45:00-04:00 |
| SenderName | NWS Melbourne 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 48/100, near Vero Beach (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.