Right now
The most recent data we hold from NOAA arrived 35 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 12 May 2026 at 02:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 24 detections recorded within 20 km of this point since 8 May 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued May 11 at 8:20PM CDT until May 11 at 9:00PM CDT by NWS New Orleans LA
An estimated 75,166 people live within 50 km of this point.
Nearby, since 8 May 2026
- May 12, 2026 · score 67 · 3.1 km
- July 22, 2026 · score 43 · 8.5 km
- July 21, 2026 · score 39 · 9.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 63 out of 100, at 80 % 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 | Critical |
| Calamity Score (ours) | 63 / 100 |
| Our confidence | 80% |
| Coordinates | 30.0700, -90.7600 |
| Nearest City | Laplace (27 km) |
| Population Exposed | 75.2K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-05-12T01:20:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9adb6f3124b0c396fbb52cfd03b2c749719883ed.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | St. James, LA |
| Headline | Tornado Warning issued May 11 at 8:20PM CDT until May 11 at 9:00PM CDT by NWS New Orleans LA |
| Expires | 2026-05-11T21:00:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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.
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