This alert expired on 17 March 2026 at 02:15 UTC. It is kept here as a record.
It is the 2nd strongest of the 22 detections recorded within 20 km of this point since 17 March 2026.
What the source measured
NOAA reported: Special Marine Warning issued March 16 at 9:13PM EDT until March 16 at 10:15PM EDT by NWS Melbourne FL
An estimated 350,080 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 17, 2026 · score 43 · 1.2 km
- July 17, 2026 · score 43 · 3.8 km
- July 15, 2026 · score 43 · 4.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 78 % 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 | 78% |
| Coordinates | 27.1171, -80.5188 |
| Nearest City | Palm City (25 km) |
| Population Exposed | 350.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-17T01:13:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.2ab194d401e663363ccfbd43743a83e9 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Sebastian Inlet to Jupiter Inlet 0-20 nm; Lake Okeechobee |
| Headline | Special Marine Warning issued March 16 at 9:13PM EDT until March 16 at 10:15PM EDT by NWS Melbourne FL |
| Expires | 2026-03-16T22:15:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2ab194d401e663363ccfbd43743a83e964b23869.001.1","noaa_urn:oid:2.49.0.1.840.0.e18b8ef0bef45d7950f9868a5b4b4a1986bbd8b2.001.1"] |
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.
Calamity.live data shows a weather event with CalamityScore 43/100, near Palm City (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.