Right now
The most recent data we hold from NOAA arrived 39 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 27 August 2026 at 19:45 UTC. It is kept here as a record.
It is the 3rd strongest of the 56 detections recorded within 20 km of this point since 10 May 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Special Marine Warning issued August 27 at 2:41PM EDT until August 27 at 3:45PM EDT by NWS Melbourne FL
An estimated 351,222 people live within 50 km of this point.
Nearby, since 10 May 2026
- July 12, 2026 · score 43 · 4.2 km
- July 14, 2026 · score 43 · 4.4 km
- July 28, 2026 · score 43 · 5.5 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 85 % 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 | 85% |
| Coordinates | 27.7457, -80.2998 |
| Nearest City | Vero Beach (15 km) |
| Population Exposed | 351.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-27T18:41:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.ac6e14d12c172d77d502ac66565cdd27 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Sebastian Inlet to Jupiter Inlet 0-20 nm; Volusia-Brevard County Line to Sebastian Inlet 0-20 nm |
| Headline | Special Marine Warning issued August 27 at 2:41PM EDT until August 27 at 3:45PM EDT by NWS Melbourne FL |
| Expires | 2026-08-27T15:45:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ac6e14d12c172d77d502ac66565cdd27cc70581c.001.1","noaa_urn:oid:2.49.0.1.840.0.17dd4f1ed5fa6ff6ce5e956b2a4364b241fe8bd9.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 47 |
| Iem Unit | MPH |
| Iem City | 2 SSW Roseland |
| Iem County | Indian River |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | Sebastian Municipal Airport measured a peak wind gust of 47MPH/41KT from the east at 2:15 PM. |
| MergedSources | [{"id":"iem_M_27.820_-80.500_1787854500000","source":"iem","severity":"low","severityValue":25,"timestamp":1787854500000,"latitude":27.82,"longitude":-80.5}] |
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.
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