This alert expired on 12 March 2026 at 04:15 UTC. It is kept here as a record.
It is the 7th strongest of the 121 detections recorded within 20 km of this point since 12 March 2026.
What the source measured
NOAA reported: Special Marine Warning issued March 11 at 9:34PM CDT until March 11 at 11:15PM CDT by NWS New Orleans LA
An estimated 916,872 people live within 50 km of this point.
Nearby, since 12 March 2026
- June 15, 2026 · score 48 · 1.6 km
- July 11, 2026 · score 48 · 3.7 km
- May 9, 2026 · score 48 · 3.9 km
How we know
Confirmed by 13 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 89 % 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) | 48 / 100 |
| Our confidence | 89% |
| Coordinates | 30.2024, -90.1948 |
| Nearest City | Kenner (24 km) |
| Population Exposed | 916.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-12T02:34:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Lake Pontchartrain and Lake Maurepas; Lake Borgne |
| Headline | Special Marine Warning issued March 11 at 9:34PM CDT until March 11 at 11:15PM CDT by NWS New Orleans LA |
| Expires | 2026-03-11T23:15:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 2 SSE Hammond |
| Spc County | Tangipahoa |
| Spc State | LA |
| Spc Comments | Emergency management reported trees down along Yokum Rd and I-12 service Rd in Hammond. Time estimated by radar. (LIX) |
| Iem TypeSummary | D |
| Iem City | 2 SSE Hammond |
| Iem County | Tangipahoa |
| Iem State | LA |
| Iem Wfo | LIX |
| Iem Remark | Emergency management reported trees down along Yokum Rd and I-12 service Rd in Hammond. Time estimated by radar. |
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 48/100, near Kenner (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.