Debris Flow — Los Angeles, California

2025-10-14 · near Seminole Hot Spgs, Los Angeles, California

Event narrative

California Highway Patrol reported a large boulder on Kanan Dume Road near Newton Canyon Road.

Wider weather episode

A strong, early-season, storm brought heavy rain, gusty winds and thunderstorms to the area. With the heavy rainfall, numerous reports of flooding were reported. The thunderstorms resulted in reports of wind damage across the area.

View location on OpenStreetMap → (34.0755, -118.8159)

Source: NOAA Storm Events Database, event_id 1291547. Narrative written by the NWS forecast office that issued the report.