This alert expired on 18 June 2026 at 11:00 UTC. It is kept here as a record.
No stronger detection stands among the 98 recorded within 20 km of this point since 16 March 2026 — 15 others scored the same. Another comparable one was recorded here earlier the same day. 20 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 18 at 5:28AM CDT until June 18 at 6:00AM CDT by NWS New Orleans LA
An estimated 868,450 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 22, 2026 · score 48 · 3.4 km
- July 11, 2026 · score 48 · 6.4 km
- June 18, 2026 · score 72 · 8.2 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 72 out of 100, at 85 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 72 / 100 |
| Our confidence | 85% |
| Coordinates | 29.9200, -90.2386 |
| Nearest City | Kenner (8 km) |
| Population Exposed | 868.5K within 50 km |
| Impact Tier | catastrophic |
| Timestamp | 2026-06-18T10:28:00.000Z |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Jefferson, LA; St. Charles, LA |
| Headline | Tornado Warning issued June 18 at 5:28AM CDT until June 18 at 6:00AM CDT by NWS New Orleans LA |
| Expires | 2026-06-18T06:00:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | 3 ESE Destrehan |
| Iem County | St. Charles |
| Iem State | LA |
| Iem Wfo | LIX |
| Iem Remark | Streets flooding up to 6 inches deep in St. Rose. |
| MergedSources | [{"id":"iem_F_29.950_-90.320_1781774400000","source":"iem","severity":"low","severityValue":25,"timestamp":1781774400000,"latitude":29.95,"longitude":-90.32}] |
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 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 72/100, near Kenner (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.