LOS ANGELES — A powerful atmospheric river had mostly moved through California after causing at least six deaths and dousing much of the state, but lingering thunderstorms brought the risk of mudslides in areas of Los Angeles County that were recently ravaged by wildfire.

Flood advisories remained in place through Sunday afternoon for LA, Ventura and Santa Barbara counties, where localized showers were still possible after heavy downpours on Friday and Saturday.

"Due to the abundant rainfall the past couple of days, it will not take as much rainfall to cause additional flooding/rockslide conditions," the National Weather Service said in a Sunday update.

Authorities on Sunday were still searching for a 5-year-old girl who was swept into the ocean by 15-foot waves at a state beach in Mont

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