Flash Flood in Inyo County, California

Flash Flood August 20, 2023 – August 21, 2023 · Inyo County, California

$10.0M

Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

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.

The wider storm

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.

Began near Lone Pine (36.5900, -118.1800).

Source: NOAA Storm Events Database, event 1138494. Narratives are written by the National Weather Service forecast office that issued the report.

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