This alert expired on 31 July 2026 at 21:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 52 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 20 July 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 31 at 3:06PM EDT until July 31 at 5:00PM EDT by NWS Melbourne FL
An estimated 330,290 people live within 50 km of this point.
Nearby, since 12 March 2026
- August 4, 2026 · score 43 · 2.3 km
- June 3, 2026 · score 37 · 5.8 km
- July 12, 2026 · score 43 · 8.3 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 86 % 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 | 86% |
| Coordinates | 27.5894, -80.2894 |
| Nearest City | Florida Ridge (10 km) |
| Population Exposed | 330.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-31T19:06:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.759ed10c1dc9d5a6949a2d6d2e6585bcc75d8aef.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Sebastian Inlet to Jupiter Inlet 0-20 nm; Sebastian Inlet to Jupiter Inlet 20-60 nm |
| Headline | Special Marine Warning issued July 31 at 3:06PM EDT until July 31 at 5:00PM EDT by NWS Melbourne FL |
| Expires | 2026-07-31T17:00:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| Iem TypeSummary | M |
| Iem Magnitude | 43 |
| Iem Unit | MPH |
| Iem City | 1 WNW Treasure Coast Ai |
| Iem County | St. Lucie |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | Fort Pierce, St. Lucie County International Airport measured a peak wind gust of 43MPH/37KT from the northwest at 3:09 PM. |
| MergedSources | [{"id":"iem_M_27.500_-80.380_1785524940000","source":"iem","severity":"low","severityValue":25,"timestamp":1785524940000,"latitude":27.5,"longitude":-80.38}] |
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 Florida Ridge (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.