tropical storm Hilary arrived in California 10 days ago as a rare tropical storm that dumped 2" of rain on coastal areas and 12" in the mountains. It's the first landfallen tropical storm in Southern California since 1939.

no one has flood insurance in the desert

https://www.thesundaily.my/world/storm-hilary-moves-north-after-drenching-southern-california-NK11394876