This alert expired on 3 June 2026 at 03:00 UTC. It is kept here as a record.
It is the 13th strongest of the 84 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 31 May 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 2 at 9:17PM CDT until June 2 at 10:00PM CDT by NWS New Orleans LA
An estimated 888,930 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 11, 2026 · score 48 · 8.8 km
- June 19, 2026 · score 48 · 10.6 km
- July 5, 2026 · score 48 · 11.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 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) | 48 / 100 |
| Our confidence | 80% |
| Coordinates | 30.0722, -90.3467 |
| Nearest City | Laplace (13 km) |
| Population Exposed | 888.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-03T02:17:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Lake Pontchartrain |
| Headline | Special Marine Warning issued June 2 at 9:17PM CDT until June 2 at 10:00PM CDT by NWS New Orleans LA |
| Expires | 2026-06-02T22:00:00-05:00 |
| 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 48/100, near Laplace (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.