There are usually less than 20 days of rain, and less than 10 days of significant rain all season.”The Los Angeles Basin is a flood plain. These events spurred authorities finally to tame the Los Angeles River and other waterways by lining them with concrete for flood control. After the 1934 New Year’s flood in Los Angeles, cars are marooned in mud outside the Bohemian Gardens on Mission Road. (Los Angeles Times)Singer-songwriter Woody Guthrie memorialized the tragedy in a song about the “Los Angeles New Year’s Flood.”AdvertisementAtmospheric rivers are extremely wet moisture plumes. “Great droughts, fires, floods and mudslides after heavy rain, decade after decade.

Source: Los Angeles Times January 24, 2021 00:45 UTC