This alert expired on 20 July 2026 at 19:30 UTC. It is kept here as a record.
It is the 353rd strongest of the 471 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 20 at 2:37PM EDT until July 20 at 3:30PM EDT by NWS Melbourne FL
An estimated 365,954 people live within 50 km of this point.
Nearby, since 15 March 2026
- August 6, 2026 · score 43 · 2.6 km
- June 14, 2026 · score 43 · 3.9 km
- June 21, 2026 · score 43 · 4.2 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 81 % 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 | 81% |
| Coordinates | 28.0225, -80.4998 |
| Nearest City | Palm Bay (9 km) |
| Population Exposed | 366.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-20T18:37:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.442be3a426ed0016f72b4850f1521829 |
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 0-20 nm; Sebastian Inlet to Jupiter Inlet 0-20 nm |
| Headline | Special Marine Warning issued July 20 at 2:37PM EDT until July 20 at 3:30PM EDT by NWS Melbourne FL |
| Expires | 2026-07-20T15:30:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.442be3a426ed0016f72b4850f1521829a048266d.001.1","noaa_urn:oid:2.49.0.1.840.0.a2a819d3687129b3d01f2ee9fdcc167b30c83944.001.1"] |
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 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.
Want to know when something happens near Palm Bay?
Calamity.live data shows a weather event with CalamityScore 43/100, near Palm Bay (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.