Debris Flow — Alpine, California
2015-07-01 · near Markleeville, Alpine, California
Event narrative
A mudslide over highway 89 just east of Markleeville caused the road to become impassable.
Wider weather episode
Persistent moderate to high atmospheric moisture combined with daytime heating to produce thunderstorms (many with heavy rainfall) early in the month.
View location on OpenStreetMap → (38.6921, -119.7671)
Source: NOAA Storm Events Database, event_id 591411. Narrative written by the NWS forecast office that issued the report.