This alert expired on 17 June 2026 at 05:30 UTC. It is kept here as a record.
It is the strongest of the 17 detections recorded within 20 km of this point since 17 June 2026.
What the source measured
NOAA reported: Special Marine Warning issued June 16 at 11:33PM CDT until June 17 at 12:30AM CDT by NWS New Orleans LA
An estimated 53,642 people live within 50 km of this point.
Nearby, since 17 June 2026
- August 29, 2026 · score 22 · 5.0 km
- September 1, 2026 · score 16 · 9.5 km
- July 22, 2026 · score 22 · 13.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 81 % 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) | 39 / 100 |
| Our confidence | 81% |
| Coordinates | 29.2586, -91.0167 |
| Nearest City | Houma (48 km) |
| Population Exposed | 53.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-17T04:33:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.443513e70678d989b611b12a805b5319af3b5f8a.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; Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM |
| Headline | Special Marine Warning issued June 16 at 11:33PM CDT until June 17 at 12:30AM CDT by NWS New Orleans LA |
| Expires | 2026-06-17T00:30:00-05:00 |
| 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 39/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.