This alert expired on 31 July 2026 at 21:30 UTC. It is kept here as a record.
It is the 43rd strongest of the 59 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 31 at 3:54PM EDT until July 31 at 5:30PM EDT by NWS Melbourne FL
An estimated 368,990 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 3, 2026 · score 37 · 3.5 km
- July 28, 2026 · score 43 · 5.1 km
- July 17, 2026 · score 43 · 5.9 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 37 out of 100, at 90 % 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) | 37 / 100 |
| Our confidence | 90% |
| Coordinates | 27.3652, -80.1752 |
| Nearest City | Fort Pierce (18 km) |
| Population Exposed | 369.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-31T19:54:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.2d74970c75c121feb6d0175c317be016 |
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 3:54PM EDT until July 31 at 5:30PM EDT by NWS Melbourne FL |
| Expires | 2026-07-31T17:30:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2d74970c75c121feb6d0175c317be0167b1102d1.001.1","noaa_urn:oid:2.49.0.1.840.0.759ed10c1dc9d5a6949a2d6d2e6585bcc75d8aef.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 47 |
| Iem Unit | MPH |
| Iem City | 2 NE Snug Harbor |
| Iem County | AMZ555 |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | The WeatherFlow site XJEN Jensen Beach measured a wind gust of 47MPH/41KTS from the west-northwest at 3:44 pm. |
| MergedSources | [{"id":"iem_M_27.500_-80.380_1785524940000","source":"iem","severity":"low","severityValue":25,"timestamp":1785524940000,"latitude":27.5,"longitude":-80.38},{"id":"iem_M_27.220_-80.200_1785527040000","source":"iem","severity":"low","severityValue":25,"timestamp":1785527040000,"latitude":27.22,"longitude":-80.2}] |
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.
Want to know when something happens near Fort Pierce?
Calamity.live data shows a weather event with CalamityScore 37/100, near Fort Pierce (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 187 scientific monitoring sources.