Tens of millions of people are under a tropical storm warning, the first of its kind issued for Southern California. Heavy rainfall and “catastrophic flooding” are expected in parts of Arizona and Nevada.
As Hurricane Hilary approaches, the Southwest is expected to get heavy rain through early next week, with the most intense conditions on Sunday and Monday
warning issued indicates that tropical storm conditions are possible within the coverage area over the next 36 hours. This covered the area from the California-Mexico border to the Santa Monica area and includes Catalina Island.