Right now
The most recent data we hold from NOAA arrived 1 minute ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 23 May 2026 at 22:45 UTC. It is kept here as a record.
No stronger detection stands among the 19 recorded within 20 km of this point since 2 May 2026 — 13 others scored the same. The last comparable one was on 2 May 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 23 at 4:09PM CDT until May 23 at 5:45PM CDT by NWS New Orleans LA
Nearby, since 2 May 2026
- July 6, 2026 · score 22 · 7.8 km
- June 25, 2026 · score 22 · 16.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 60 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 60% |
| Coordinates | 28.8992, -90.3317 |
| Nearest City | Houma (87 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-23T21:09:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.e47cadf8646a1c9116eedac07c567f6c40df943a.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Terrebonne Bay; Barataria Bay; Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm; Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM; Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM; Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM |
| Headline | Special Marine Warning issued May 23 at 4:09PM CDT until May 23 at 5:45PM CDT by NWS New Orleans LA |
| Expires | 2026-05-23T17:45:00-05:00 |
| 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 8 March 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 in this area?