Motorists swam for their lives and residents were rescued from homes sliding downhill as the wettest winter storm of the year triggered floods and mudslides across California on Thursday.

In Sausalito, just across the Golden Gate Bridge from San Francisco, a mudslide carried away two homes and engulfed five cars, sending one woman to the hospital, Southern Marin Fire Department tweeted. Dozens of homes were evacuated in the area.

In Cabazon, about 84 miles east of Los Angeles, two motorists swam from their vehicle and were rescued by helicopter after their car was engulfed by churning brown floodwaters, a California Department of Forestry and Fire Protection spokesman said.

“We’ve had multiple water rescues throughout the day, I think today our helicopter is up to about a dozen,” said CalFire spokesman Richard Cordova. “We haven’t seen rain like this in 10 years.”

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