This alert expired on 17 July 2026 at 20:30 UTC. It is kept here as a record.
It is the 177th strongest of the 212 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 5 July 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 17 at 3:37PM EDT until July 17 at 4:30PM EDT by NWS Melbourne FL
An estimated 306,738 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 5, 2026 · score 43 · 11.4 km
- June 24, 2026 · score 43 · 13.2 km
- June 25, 2026 · score 43 · 13.4 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.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 27.8067, -80.8125 |
| Nearest City | Palm Bay (33 km) |
| Population Exposed | 306.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-17T19:37:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.66a1d3ff147b8179c1ef492aa261dadb |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Volusia-Brevard County Line to Sebastian Inlet 0-20 nm; Lake Okeechobee |
| Headline | Special Marine Warning issued July 17 at 3:37PM EDT until July 17 at 4:30PM EDT by NWS Melbourne FL |
| Expires | 2026-07-17T16:30:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.66a1d3ff147b8179c1ef492aa261dadbee3d8561.001.1","noaa_urn:oid:2.49.0.1.840.0.883989df41569e98db89700ecf0f421631b83bb7.001.1"] |
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 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.