This alert expired on 10 May 2026 at 00:30 UTC. It is kept here as a record.
No stronger detection stands among the 174 recorded within 20 km of this point since 15 March 2026 — 60 others scored the same. The last comparable one was on 2 May 2026. 16 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 9 at 6:55PM EDT until May 9 at 8:30PM 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 · 5.6 km
- August 28, 2026 · score 43 · 6.2 km
- July 12, 2026 · score 43 · 6.2 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 89 % 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 | 89% |
| Coordinates | 28.4043, -80.5557 |
| Nearest City | Merritt Island (14 km) |
| Population Exposed | 347.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-09T22:55:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4164206a50ab9bda845a35fa6be352933bb11bbe.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; Volusia-Brevard County Line to Sebastian Inlet 20-60 nm |
| Headline | Special Marine Warning issued May 9 at 6:55PM EDT until May 9 at 8:30PM EDT by NWS Melbourne FL |
| Expires | 2026-05-09T20:30:00-04:00 |
| 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 300 measured a peak wind gust of 39MPH/34KT from the south at 7:25 PM. Sensor elevation is 54 feet. |
| MergedSources | [{"id":"iem_G_28.740_-80.700_1778366100000","source":"iem","severity":"low","severityValue":25,"timestamp":1778366100000,"latitude":28.74,"longitude":-80.7},{"id":"iem_M_28.400_-80.650_1778369100000","source":"iem","severity":"low","severityValue":25,"timestamp":1778369100000,"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 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.
Want to know when something happens near Merritt Island?
Calamity.live data shows a weather event with CalamityScore 43/100, near Merritt Island (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.