This alert expired on 12 August 2026 at 19:15 UTC. It is kept here as a record.
It is the 6th strongest of the 53 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 3 August 2026. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued August 12 at 2:32PM EDT until August 12 at 3:15PM EDT by NWS Melbourne FL
An estimated 444,259 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 27, 2026 · score 43 · 4.9 km
- July 12, 2026 · score 43 · 5.3 km
- June 1, 2026 · score 43 · 5.6 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 80 % 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 | 80% |
| Coordinates | 27.2023, -80.2408 |
| Nearest City | Stuart (1 km) |
| Population Exposed | 444.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-12T18:32:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.888c107d695317c8f0a6f2f7d41eb9c9a98d7626.001.1 |
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 August 12 at 2:32PM EDT until August 12 at 3:15PM EDT by NWS Melbourne FL |
| Expires | 2026-08-12T15:15:00-04:00 |
| 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 43/100, near Stuart (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.