Severe Weather near Laplace
Right now
The most recent data we hold from NOAA arrived 28 minutes ago, and this point is in it.
3 other detections within 20 km in the last 24 hours, the nearest 20 km from here.
This alert is in force until 10 September 2026, 22:00 UTC.
It is the 43rd strongest of the 62 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued September 10 at 1:55PM CDT until September 10 at 5:00PM CDT by NWS New Orleans LA
An estimated 888,930 people live within 50 km of this point.
Nearby, since 12 March 2026
- June 19, 2026 · score 48 · 5.0 km
- July 5, 2026 · score 72 · 9.1 km
- March 16, 2026 · score 48 · 9.5 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 82 % 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 | 82% |
| Coordinates | 30.1855, -90.3427 |
| Nearest City | Laplace (18 km) |
| Population Exposed | 888.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-10T18:55:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.1ddf8178a0facb99077b15ba0036ed58e65b7314.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Jefferson, LA; Orleans, LA; Plaquemines, LA; Livingston, LA; Tangipahoa, LA |
| Headline | Flash Flood Warning issued September 10 at 1:55PM CDT until September 10 at 5:00PM CDT by NWS New Orleans LA |
| Expires | 2026-09-10T17:00:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.1ddf8178a0facb99077b15ba0036ed58e65b7314.001.1","noaa_urn:oid:2.49.0.1.840.0.632b40b37c947980b1f8a33f5326df16495bdc95.002.1"] |
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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