This alert expired on 9 May 2026 at 21:45 UTC. It is kept here as a record.
No stronger detection stands among the 26 recorded within 20 km of this point since 9 May 2026 — 15 others scored the same. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 9 at 1:40PM CDT until May 9 at 4:45PM CDT by NWS Lake Charles LA
An estimated 152,128 people live within 50 km of this point.
Nearby, since 9 May 2026
- May 9, 2026 · score 43 · 7.8 km
- June 4, 2026 · score 37 · 11.9 km
- May 18, 2026 · score 43 · 11.9 km
How we know
Confirmed by 7 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 91 % 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) | 43 / 100 |
| Our confidence | 91% |
| Coordinates | 30.0465, -92.1195 |
| Nearest City | Lafayette (22 km) |
| Population Exposed | 152.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-09T18:40:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.98e40faf82295ca226a280f1e3825004 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Iberia, LA; Lafayette, LA; St. Martin, LA; Vermilion, LA; Lafayette, LA; St. Martin, LA; Vermilion, LA |
| Headline | Flash Flood Warning issued May 9 at 1:40PM CDT until May 9 at 4:45PM CDT by NWS Lake Charles LA |
| Expires | 2026-05-09T16:45:00-05:00 |
| SenderName | NWS Lake Charles LA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.98e40faf82295ca226a280f1e382500414e96d9a.001.1","noaa_urn:oid:2.49.0.1.840.0.a7d9d35fb156fe8c3741bb87a4af1d29b94eebfa.001.1"] |
| Iem TypeSummary | F |
| Iem City | 1 NE Cecilia |
| Iem County | St. Martin |
| Iem State | LA |
| Iem Wfo | LCH |
| Iem Remark | Alcide Bonin Rd is closed due to rising water. Road is impassible. |
| MergedSources | [{"id":"iem_F_29.950_-91.770_1778340240000","source":"iem","severity":"low","severityValue":25,"timestamp":1778340240000,"latitude":29.95,"longitude":-91.77},{"id":"iem_F_30.020_-91.830_1778342460000","source":"iem","severity":"low","severityValue":25,"timestamp":1778342460000,"latitude":30.02,"longitude":-91.83},{"id":"iem_F_29.980_-91.890_1778349840000","source":"iem","severity":"low","severityValue":25,"timestamp":1778349840000,"latitude":29.98,"longitude":-91.89},{"id":"iem_F_30.020_-91.890_1778349840000","source":"iem","severity":"low","severityValue":25,"timestamp":1778349840000,"latitude":30.02,"longitude":-91.89},{"id":"iem_F_30.000_-91.870_1778340240000","source":"iem","severity":"low","severityValue":25,"timestamp":1778340240000,"latitude":30,"longitude":-91.87},{"id":"iem_F_30.340_-91.840_1778349060000","source":"iem","severity":"low","severityValue":25,"timestamp":1778349060000,"latitude":30.34,"longitude":-91.84}] |
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.
Want to know when something happens near Lafayette?
Calamity.live data shows a weather event with CalamityScore 43/100, near Lafayette (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.