The Clay fire, which broke out Tuesday in a river bottom in Riverside County east of Los Angeles, quickly spread to nearly 40 acres. But by Tuesday night, crews had stopped its progress and were doing “extensive mop-up operations,” Riverside officials said. It was 40 percent contained as of 4 a.m. Wednesday, according to Cal Fire.

A second day of ferocious winds were forecast for Tuesday in Southern California where firefighters remained on alert and extreme fire weather raised the risk of new wildfires two weeks after two major blazes still burning in the Los Angeles area sparked.

Dangerous winds have returned to Southern California as new wildfires broke out and a pair of major Los Angeles-area blazes burned for a third week.