Special Marine Warning
Special Marine Warning issued March 12 at 4:14PM EDT until March 12 at 6:15PM EDT by NWS Melbourne FL
Geographic Context
This weather event occurred near Merritt Island (approximately 42 km away) in United States, an area that experiences a range of natural hazards. An estimated 77.4K people live within 50 km of the event location, placing this in the "significant" population impact tier.
Event Assessment
This event is a weather event classified as medium severity. Calamity.live has classified it as "medium" severity with a severity value of 50. The computed Calamity Score is 39 out of 100, suggesting contained impact at this time. The primary scoring components are: historical (80), population (55), intensity (35). Data for this event was sourced from noaa, one of the 250 scientific monitoring sources aggregated by Calamity.live.
Regional Monitoring Context
United States has a documented history of weather events. Monitoring for weather events in the region relies on a combination of ground-based sensors, satellite remote sensing, and official reporting from national agencies. The frequency and severity of such events are tracked over time to support risk assessment and emergency preparedness.
Event Data
| Type | Weather |
| Severity | medium |
| Severity Value | 50 |
| Calamity Score | 39 / 100 |
| Confidence | 88% |
| Coordinates | 28.4464, -80.2673 |
| Nearest City | Merritt Island (42 km) |
| Population Exposed | 77.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-12T20:14:00.000Z |
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 March 12 at 4:14PM EDT until March 12 at 6:15PM EDT by NWS Melbourne FL |
| Expires | 2026-03-12T18:15:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 43 |
| Iem Unit | MPH |
| Iem City | 5 WNW Playalinda Beach |
| Iem County | Brevard |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | USSF wind sensor on tower 415 measured a peak wind gust of 43MPH/37KT from the north at 4:15 PM. Sensor elevation is 54 feet. |
| MergedSources | [{"id":"iem_M_28.460_-80.720_1773348540000","source":"iem","severity":"low","severityValue":25,"timestamp":1773348540000,"latitude":28.46,"longitude":-80.72},{"id":"iem_G_28.740_-80.700_1773345900000","source":"iem","severity":"low","severityValue":25,"timestamp":1773345900000,"latitude":28.74,"longitude":-80.7},{"id":"iem_G_28.660_-80.700_1773346500000","source":"iem","severity":"low","severityValue":25,"timestamp":1773346500000,"latitude":28.66,"longitude":-80.7}] |
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.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a weather event with CalamityScore 39/100, near Merritt Island (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 197 scientific monitoring sources.