Flash Flood — Inyo, California

2023-08-20 to 2023-08-21 · near Lone Pine, Inyo, California

Event narrative

Fast flowing water, rock, and debris covered Whitney Portal Rd, the Whitney Portal parking lots, and the road to Lone Pine Campground. Whitney Portal Rd was destroyed by high flows in Lone Pine Creek.

Wider weather episode

Eastern Pacific Hurricane Hilary made landfall on the Baja Peninsula early on the morning of the 20th and reached Southern California as a tropical storm that afternoon. The cyclone brought widespread flash flooding to southeast California, along with isolated high winds.

View location on OpenStreetMap → (36.5900, -118.1800)

Source: NOAA Storm Events Database, event_id 1138494. Narrative written by the NWS forecast office that issued the report.