Severe weather near Port Saint Lucie
This alert expired on 12 May 2026 at 02:00 UTC. It is kept here as a record.
No stronger detection stands among the 69 recorded within 20 km of this point since 16 March 2026 — 45 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 11 at 9:48PM EDT until May 11 at 10:00PM EDT by NWS Melbourne FL
An estimated 306,283 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 21, 2026 · score 43 · 4.4 km
- June 15, 2026 · score 43 · 7.0 km
- June 21, 2026 · score 43 · 8.0 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 80 % 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 | 80% |
| Coordinates | 27.3650, -80.2950 |
| Nearest City | Port Saint Lucie (10 km) |
| Population Exposed | 306.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-12T01:48:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.39de4488d9acb654dcf361acecf723581d6c9b21.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | St. Lucie, FL |
| Headline | Severe Thunderstorm Warning issued May 11 at 9:48PM EDT until May 11 at 10:00PM EDT by NWS Melbourne FL |
| Expires | 2026-05-11T22:00:00-04:00 |
| SenderName | NWS Melbourne FL |
| HasExactCoords | true |
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 Port Saint Lucie (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.