Right now
The most recent data we hold from NOAA arrived 1 minute 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 1 July 2026 at 10:45 UTC. It is kept here as a record.
No stronger detection stands among the 6 recorded within 20 km of this point since 25 May 2026 — 3 others scored the same. The last comparable one was on 25 June 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 1 at 4:11AM CDT until July 1 at 5:45AM CDT by NWS New Orleans LA
Nearby, since 25 May 2026
- July 12, 2026 · score 22 · 5.5 km
- June 24, 2026 · score 16 · 15.4 km
- July 14, 2026 · score 16 · 17.5 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 66 % 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 | 66% |
| Coordinates | 29.1200, -89.0283 |
| Nearest City | Chalmette (129 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-01T09:11:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.0ecd4f750be6e0aba1ca1ec094ae1ab67d8aa696.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | 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 Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm |
| Headline | Special Marine Warning issued July 1 at 4:11AM CDT until July 1 at 5:45AM CDT by NWS New Orleans LA |
| Expires | 2026-07-01T05:45:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 44 |
| Iem Unit | MPH |
| Iem City | 24 S Venice |
| Iem County | Plaquemines |
| Iem State | LA |
| Iem Wfo | LIX |
| Iem Remark | Buoy station PSTL1 Pilots Station East (SW Pass LA). |
| MergedSources | [{"id":"iem_G_28.930_-89.410_1782879840000","source":"iem","severity":"low","severityValue":25,"timestamp":1782879840000,"latitude":28.93,"longitude":-89.41}] |
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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.