Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is in it.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 7 September 2026 at 19:00 UTC. It is kept here as a record.
It is the 9th strongest of the 16 detections recorded within 20 km of this point since 23 May 2026. The last comparable one was on 27 August 2026.
What the source measured
NOAA reported: Special Marine Warning issued September 7 at 1:20PM CDT until September 7 at 2:00PM CDT by NWS New Orleans LA
An estimated 53,642 people live within 50 km of this point.
Nearby, since 23 May 2026
- July 14, 2026 · score 39 · 0.9 km
- July 21, 2026 · score 32 · 12.4 km
- May 23, 2026 · score 22 · 12.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 32 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 32 / 100 |
| Our confidence | 80% |
| Coordinates | 29.2670, -90.6020 |
| Nearest City | Houma (39 km) |
| Population Exposed | 53.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-07T18:20:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.1f6ee01bf78fc4343cc6146e227e8959301d4a46.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Terrebonne Bay; Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm |
| Headline | Special Marine Warning issued September 7 at 1:20PM CDT until September 7 at 2:00PM CDT by NWS New Orleans LA |
| Expires | 2026-09-07T14:00:00-05:00 |
| 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 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?
Calamity.live data shows a weather event with CalamityScore 32/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.