FEBRUARY 1938 WAS a wet month in Los Angeles. The ground, where it hadn’t been paved over, was saturated, which meant rain had nowhere to go except into the streets, canals and washes. On the 27th, a storm arrived. During the following days, the city received its second-highest 24-hour rainfall in history. Reservoirs overflowed, dams topped out and floodwaters careered down Pacoima Wash and Tujunga Wash toward the Los Angeles River. By the time the river peaked at Long Beach, its flow exceeded the Mississippi’s at St. Louis. “It was as if the Pacific had moved in to take back its ancient bed,” wrote Rupert Hughes in “City of Angels,” a 1941 novel that climaxes with the flood. In an instant, the Lankershim Bridge in North Hollywood collapsed, and five people were swept away. Sewer and gas lines ruptured; communications were cut; houses were lifted straight off their foundations and sank into the water. In all, 87 people died. Read More.