This alert expired on 11 May 2026 at 00:19 UTC. It is kept here as a record.
No stronger detection stands among the 43 recorded within 20 km of this point since 16 March 2026 — 29 others scored the same. The last comparable one was on 10 May 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 10 at 8:10PM EDT until May 10 at 8:15PM EDT by NWS Miami FL
An estimated 330,290 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 10, 2026 · score 43 · 0.0 km
- June 24, 2026 · score 43 · 2.4 km
- May 12, 2026 · score 43 · 6.9 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 84 % 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 | 84% |
| Coordinates | 27.4666, -80.4123 |
| Nearest City | Fort Pierce (8 km) |
| Population Exposed | 330.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-11T00:10:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.63b795d1ce0409ae7744e2eb4e47b36b |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Lake Okeechobee; Volusia-Brevard County Line to Sebastian Inlet 0-20 nm; Sebastian Inlet to Jupiter Inlet 0-20 nm; Volusia-Brevard County Line to Sebastian Inlet 20-60 nm |
| Headline | Special Marine Warning issued May 10 at 8:10PM EDT until May 10 at 8:15PM EDT by NWS Miami FL |
| Expires | 2026-05-10T20:19:00-04:00 |
| SenderName | NWS Miami FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.63b795d1ce0409ae7744e2eb4e47b36b4ab18b63.001.1","noaa_urn:oid:2.49.0.1.840.0.e90c5e0d87da0e0ac7795b83cfa1247ac0dee096.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 40 |
| Iem Unit | MPH |
| Iem City | 1 WNW Vero Beach |
| Iem County | Indian River |
| Iem State | FL |
| Iem Wfo | MLB |
| Iem Remark | Vero Beach Municipal Airport (KVRB) measured a peak wind gust of 40MPH/35KT from the north at 5:13 PM. |
| MergedSources | [{"id":"iem_G_27.650_-80.420_1778447580000","source":"iem","severity":"low","severityValue":25,"timestamp":1778447580000,"latitude":27.65,"longitude":-80.42}] |
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 Fort Pierce (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.