Because, for the past week, the National Weather Service, state and local authorities, and national and local media have been ceaselessly warning that a tropical storm would hit Southern California on Sunday night and Monday with a "life-threatening" intensity not seen since the last tropical storm hit California in 1939, 84 years ago.

On Saturday, CNN reported, "California Gov. Gavin Newsom on Saturday proclaimed a state of emergency Saturday for a large portion of Southern California, as the state prepares for a historic hurricane expected to cause extreme rain and flooding."