Right now
The most recent data we hold from NOAA arrived 9 minutes 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 22 May 2026 at 21:00 UTC. It is kept here as a record.
It is the 6th strongest of the 82 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 9 May 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 22 at 2:34PM CDT until May 22 at 4:00PM CDT by NWS New Orleans LA
An estimated 916,872 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 11, 2026 · score 48 · 2.5 km
- June 24, 2026 · score 48 · 2.6 km
- June 27, 2026 · score 48 · 2.6 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 85 % 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) | 48 / 100 |
| Our confidence | 85% |
| Coordinates | 30.2293, -90.1450 |
| Nearest City | Metairie (28 km) |
| Population Exposed | 916.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-22T19:34:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.de7529c7cbff178982a52f9ff6bd216c8f643d26.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Lake Pontchartrain |
| Headline | Special Marine Warning issued May 22 at 2:34PM CDT until May 22 at 4:00PM CDT by NWS New Orleans LA |
| Expires | 2026-05-22T16:00:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| Iem TypeSummary | M |
| Iem Magnitude | 49 |
| Iem Unit | MPH |
| Iem City | 12 SSW Mandeville |
| Iem County | GMZ531 |
| Iem State | LA |
| Iem Wfo | LIX |
| Iem Remark | Mesonet station XPTN Pontchartrain Causeway measured a peak gust of 49 mph or 43 knots. |
| MergedSources | [{"id":"iem_M_30.200_-90.120_1779478860000","source":"iem","severity":"low","severityValue":25,"timestamp":1779478860000,"latitude":30.2,"longitude":-90.12}] |
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 near Metairie?
Calamity.live data shows a weather event with CalamityScore 48/100, near Metairie (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.