Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
One other detection within 20 km in the last 24 hours, 2 km from here.
This alert expired on 12 September 2026 at 17:45 UTC. It is kept here as a record.
It is the 12th strongest of the 13 detections recorded within 20 km of this point since 24 May 2026. The last comparable one was on 14 July 2026.
What the source measured
NOAA reported: Special Marine Warning issued September 12 at 11:20AM CDT until September 12 at 12:45PM CDT by NWS New Orleans LA
Nearby, since 24 May 2026
- September 12, 2026 · score 16 · 1.8 km
- July 12, 2026 · score 22 · 19.4 km
- July 5, 2026 · score 22 · 19.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 61 % 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) | 16 / 100 |
| Our confidence | 61% |
| Coordinates | 29.1345, -90.0188 |
| Nearest City | Estelle (80 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-12T16:20:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.5f8dc4c97be39715ae603cef1054cfdd1cd57f80.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Barataria Bay; Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM; Coastal Waters from Boothville LA to Southwest Pass of the Mississippi River out 20 nm; Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM; Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm; Terrebonne Bay; Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm; Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM |
| Headline | Special Marine Warning issued September 12 at 11:20AM CDT until September 12 at 12:45PM CDT by NWS New Orleans LA |
| Expires | 2026-09-12T12:45:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5f8dc4c97be39715ae603cef1054cfdd1cd57f80.001.1","noaa_urn:oid:2.49.0.1.840.0.4e1a7642118327e675961d24db66f2ff9592b5e2.001.1"] |
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.
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