Flash Flood — Inyo, California

2023-08-20 to 2023-08-21 · near Deep Spgs, Inyo, California

Event narrative

Major flash flooding occurred throughout Death Valley National Park. Four hundred miles of NPS roads were damaged or destroyed, in addition to other roads maintained by the county and state. About 1000 feet of fresh water lines were destroyed at Furnace Creek. Damage to most structures was minimized or prevented by berms and other protections. The exact start and end times are unknown.

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 → (37.3501, -117.6781)

Source: NOAA Storm Events Database, event_id 1137047. Narrative written by the NWS forecast office that issued the report.