This alert expired on 9 May 2026 at 22:15 UTC. It is kept here as a record.
No stronger detection stands among the 32 recorded within 20 km of this point since 9 May 2026 — 16 others scored the same. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 9 at 3:46PM CDT until May 9 at 5:15PM CDT by NWS Lake Charles LA
An estimated 152,128 people live within 50 km of this point.
Nearby, since 9 May 2026
- June 4, 2026 · score 37 · 5.9 km
- May 18, 2026 · score 43 · 5.9 km
- May 17, 2026 · score 43 · 5.9 km
How we know
Confirmed by 9 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 89 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 89% |
| Coordinates | 30.0762, -92.0466 |
| Nearest City | Lafayette (16 km) |
| Population Exposed | 152.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-09T20:46:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.15a8949705b750570d3ca9bb90f54252 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Lafayette, LA; St. Martin, LA; Vermilion, LA; Iberia, LA; Lafayette, LA; St. Martin, LA; Vermilion, LA |
| Headline | Flash Flood Warning issued May 9 at 3:46PM CDT until May 9 at 5:15PM CDT by NWS Lake Charles LA |
| Expires | 2026-05-09T17:15:00-05:00 |
| SenderName | NWS Lake Charles LA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.15a8949705b750570d3ca9bb90f54252534a3081.001.1","noaa_urn:oid:2.49.0.1.840.0.98e40faf82295ca226a280f1e382500414e96d9a.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_30.160_-92.030_1778353500000","source":"iem","severity":"low","severityValue":25,"timestamp":1778353500000,"latitude":30.16,"longitude":-92.03},{"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_30.120_-92.030_1778356980000","source":"iem","severity":"low","severityValue":25,"timestamp":1778356980000,"latitude":30.12,"longitude":-92.03},{"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 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.
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.