Right now
The most recent data we hold from NOAA arrived 9 minutes 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 24 May 2026 at 07:45 UTC. It is kept here as a record.
It is the 2nd strongest of the 10 detections recorded within 20 km of this point since 8 May 2026. The last comparable one was on 8 May 2026.
What the source measured
NOAA reported: Special Marine Warning issued May 24 at 1:09AM CDT until May 24 at 2:45AM CDT by NWS New Orleans LA
Nearby, since 8 May 2026
- July 7, 2026 · score 22 · 5.2 km
- May 8, 2026 · score 22 · 6.0 km
- June 25, 2026 · score 39 · 18.1 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 | 29.5013, -89.6070 |
| Nearest City | Chalmette (60 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-24T06:09:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.e0609d890d757aa7751ed6f51fe5612c |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Mississippi Sound; Lake Borgne; Breton Sound; Chandeleur Sound; 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 Pascagoula Mississippi to Stake Island out 20 NM; Coastal waters from Pascagoula Mississippi to Stake Island Louisiana out 20 to 60 NM; Lake Salvador and Lake Cataouatche; 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 |
| Headline | Special Marine Warning issued May 24 at 1:09AM CDT until May 24 at 2:45AM CDT by NWS New Orleans LA |
| Expires | 2026-05-24T02:45:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e0609d890d757aa7751ed6f51fe5612c2ad5522c.001.1","noaa_urn:oid:2.49.0.1.840.0.72f6f10683d9c6de0e1f63c39f326b1abc8fe13f.001.1","noaa_urn:oid:2.49.0.1.840.0.ff2d00958e1d2dfa31ed623804b1a298b484cd9c.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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