As many communities think about potential flooding, we may find this California information of interest. This CNN piece share by my Southern California relatives.
https://www.cnn.com/.../atmospheric-river.../index.html

Photo credit to Mario Tama
I spent my teenage years not far from Hollywood in Santa Monica.
We never experienced weather like this.
The past two weeks they have experienced torrential rains and a tornado warning on the coast.
Nevada hasn't been so fortunate in reaping snow and rain. Here is Lake Mead.

Photo credit to High Country News