This alert expired on 4 August 2026 at 21:30 UTC. It is kept here as a record.
It is the 89th strongest of the 209 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 3 August 2026. 14 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued August 4 at 3:30PM EDT until August 4 at 5:30PM EDT by NWS Melbourne FL
An estimated 326,504 people live within 50 km of this point.
Nearby, since 15 March 2026
- August 3, 2026 · score 43 · 6.1 km
- August 2, 2026 · score 43 · 6.3 km
- August 12, 2026 · score 43 · 8.1 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.
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 | 86% |
| Coordinates | 28.1833, -80.4683 |
| Nearest City | Melbourne (18 km) |
| Population Exposed | 326.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-04T19:30:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.16f06cb06aa8180fc2a867eb2da4e5d7b36e5aab.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Volusia-Brevard County Line to Sebastian Inlet 0-20 nm |
| Headline | Special Marine Warning issued August 4 at 3:30PM EDT until August 4 at 5:30PM EDT by NWS Melbourne FL |
| Expires | 2026-08-04T17:30:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 52 |
| Iem Unit | MPH |
| Iem City | 1 WNW Vero Beach |
| Iem County | Indian River |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | Vero Beach Municipal Airport measured a peak wind gust of 52MPH/45KT from the northwest at 2:40 PM. |
| MergedSources | [{"id":"iem_G_27.650_-80.420_1785868800000","source":"iem","severity":"low","severityValue":25,"timestamp":1785868800000,"latitude":27.65,"longitude":-80.42}] |
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 near Melbourne?
Calamity.live data shows a weather event with CalamityScore 43/100, near Melbourne (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.