Right now
The most recent data we hold from NOAA arrived 5 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 12 May 2026 at 03:15 UTC. It is kept here as a record.
No stronger detection stands among the 175 recorded within 20 km of this point since 15 March 2026 — 59 others scored the same. Another comparable one was recorded here earlier the same day. 29 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 11 at 10:08PM EDT until May 11 at 11:15PM EDT by NWS Melbourne FL
An estimated 347,890 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 23, 2026 · score 43 · 0.6 km
- June 20, 2026 · score 43 · 4.7 km
- May 9, 2026 · score 43 · 5.1 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 | 28.4075, -80.5042 |
| Nearest City | Merritt Island (19 km) |
| Population Exposed | 347.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-12T02:08:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.52506c0c133e16a7e706e61a07f9c5101ed68306.001.1 |
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 May 11 at 10:08PM EDT until May 11 at 11:15PM EDT by NWS Melbourne FL |
| Expires | 2026-05-11T23:15:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| Iem TypeSummary | M |
| Iem Magnitude | 39 |
| Iem Unit | MPH |
| Iem City | 2 WSW Port Canaveral |
| Iem County | AMZ552 |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | USSF wind sensor on tower 0300 measured a peak wind gust of 39MPH/34KT from the north at 10:00 PM. Sensor elevation is 54 feet. |
| MergedSources | [{"id":"iem_M_28.400_-80.650_1778551200000","source":"iem","severity":"low","severityValue":25,"timestamp":1778551200000,"latitude":28.4,"longitude":-80.65}] |
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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