Flooding disaster threatens Southern California as Hilary takes aimHilary was making its presence felt in portions of Southern California at the start of the weekend, and AccuWeather meteorologists say this is just the start of what could be an "extraordinary event." Hilary was making its presence felt in Southern California at the beginning of the weekend despite steadily losing wind intensity off the coast of Baja California. The last time a tropical storm made landfall in Southern California was 84 years ago, in 1939, near Long Beach. Heavy swells will build northward along the coast of Southern California on Sunday, and high waves will pose dangers to small craft and swimmers alike. August is typically a bone-dry month along much of the coast of Southern California.