This alert expired on 16 June 2026 at 21:15 UTC. It is kept here as a record.
It is the 9th strongest of the 28 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 15 June 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 16 at 3:27PM CDT until June 16 at 4:15PM CDT by NWS New Orleans LA
An estimated 443,707 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 20, 2026 · score 43 · 1.4 km
- August 6, 2026 · score 43 · 1.9 km
- May 8, 2026 · score 43 · 4.0 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 | 30.2408, -90.5175 |
| Nearest City | Laplace (19 km) |
| Population Exposed | 443.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-16T20:27:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Lake Maurepas |
| Headline | Special Marine Warning issued June 16 at 3:27PM CDT until June 16 at 4:15PM CDT by NWS New Orleans LA |
| Expires | 2026-06-16T16:15:00-05:00 |
| SenderName | NWS New Orleans LA |
| 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 Laplace (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.