This alert expired on 1 July 2026 at 06:30 UTC. It is kept here as a record.
It is the 5th strongest of the 11 detections recorded within 20 km of this point since 8 May 2026. The last comparable one was on 24 May 2026.
What the source measured
NOAA reported: Special Marine Warning issued June 30 at 11:56PM CDT until July 1 at 1:30AM CDT by NWS New Orleans LA
Nearby, since 8 May 2026
- July 5, 2026 · score 22 · 13.3 km
- July 7, 2026 · score 43 · 15.9 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.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 60% |
| Coordinates | 29.3260, -90.0409 |
| Nearest City | Estelle (59 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-01T04:56:00.000Z |
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; 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 Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM |
| Headline | Special Marine Warning issued June 30 at 11:56PM CDT until July 1 at 1:30AM CDT by NWS New Orleans LA |
| Expires | 2026-07-01T01:30:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c82f0c0abcdf81d5f966ac58ef2d9c233505d53b.001.1","noaa_urn:oid:2.49.0.1.840.0.7aa7e15cbc060908d14a27879bf8ccb4b345ff76.001.1"] |
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 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 22/100, near Estelle (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.