This alert expired on 23 June 2026 at 01:30 UTC. It is kept here as a record.
No stronger detection stands among the 166 recorded within 20 km of this point since 15 March 2026 — 59 others scored the same. The last comparable one was on 21 June 2026. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 22 at 8:37PM EDT until June 22 at 9:30PM EDT by NWS Melbourne FL
An estimated 347,890 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 20, 2026 · score 43 · 4.8 km
- August 1, 2026 · score 43 · 5.4 km
- May 9, 2026 · score 43 · 5.6 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 84 % 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 | 84% |
| Coordinates | 28.4069, -80.4985 |
| Nearest City | Merritt Island (19 km) |
| Population Exposed | 347.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-23T00:37:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6dafcbdfbdf401d85bd0197606f6457b2f2b050d.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 June 22 at 8:37PM EDT until June 22 at 9:30PM EDT by NWS Melbourne FL |
| Expires | 2026-06-22T21:30:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 40 |
| Iem Unit | MPH |
| Iem City | 1 SSW Melbourne |
| Iem County | Brevard |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | Melbourne International Airport measured a peak wind gust of 40MPH/35KT from the west at 8:38 PM. |
| MergedSources | [{"id":"iem_G_28.100_-80.650_1782175080000","source":"iem","severity":"low","severityValue":25,"timestamp":1782175080000,"latitude":28.1,"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 188 scientific monitoring sources.