This alert expired on 7 June 2026 at 01:45 UTC. It is kept here as a record.
It is the 7th strongest of the 55 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 6 at 6:42PM CDT until June 6 at 8:45PM CDT by NWS New Orleans LA
An estimated 186,682 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 24, 2026 · score 43 · 6.4 km
- May 24, 2026 · score 43 · 8.2 km
- May 22, 2026 · score 43 · 8.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 79 % 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) | 43 / 100 |
| Our confidence | 79% |
| Coordinates | 30.1990, -89.4667 |
| Nearest City | Slidell (31 km) |
| Population Exposed | 186.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-06T23:42:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.756c30455290205d6257cfc30d3ba0405f745fb6.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Mississippi Sound; Lake Borgne |
| Headline | Special Marine Warning issued June 6 at 6:42PM CDT until June 6 at 8:45PM CDT by NWS New Orleans LA |
| Expires | 2026-06-06T20:45:00-05:00 |
| 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 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.