Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is in it.
One other detection within 20 km in the last 24 hours, <1 km from here.
This alert is in force until 10 September 2026, 13:30 UTC.
It is the 53rd strongest of the 118 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 5 September 2026. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued September 10 at 6:33AM CDT until September 10 at 8:30AM CDT by NWS New Orleans LA
An estimated 868,450 people live within 50 km of this point.
Nearby, since 16 March 2026
- September 10, 2026 · score 41 · 0.0 km
- July 5, 2026 · score 48 · 3.0 km
- July 11, 2026 · score 48 · 4.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 41 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 v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 41 / 100 |
| Our confidence | 80% |
| Coordinates | 30.0211, -90.2533 |
| Nearest City | Kenner (4 km) |
| Population Exposed | 868.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-10T11:33:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.d138c53cfe3888cc313544e5eb5e153138660064.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Jefferson, LA |
| Headline | Flash Flood Warning issued September 10 at 6:33AM CDT until September 10 at 8:30AM CDT by NWS New Orleans LA |
| Expires | 2026-09-10T08:30:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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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