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California weathers El Niño, but wild weather not over

From left, Amanda Bourbois, Mary Spear and Jordan Brown place sand bags in front of the Electric Chair salon Wednesday, Jan. 6, 2016, in San Diego. El Nino storms lined up in the Pacific, promising to drench parts of the West for more than two weeks and increasing fears of mudslides and flash floods in regions stripped bare by wildfires. (Nelvin C. Cepeda/The San Diego Union-Tribune via AP)  NO SALES; MANDATORY CREDIT

From left, Amanda Bourbois, Mary Spear and Jordan Brown place sand bags in front of the Electric Chair salon Wednesday, Jan. 6, 2016, in San Diego. El Nino storms lined up in the Pacific, promising to drench parts of the West for more than two weeks and increasing fears of mudslides and flash floods in regions stripped bare by wildfires. (Nelvin C. Cepeda/The San Diego Union-Tribune via AP) NO SALES; MANDATORY CREDIT

The worst storm in a series of storms has come and gone without serious consequences for California, but the El Niño-driven weather was still causing problems around the state.

That includes dropping temperatures, rising waves and pernicious winds predicted for Thursday.

Mountain areas were warned that blizzard conditions with wind gusts reaching 60 mph were possible above 4,000 feet, including the heavily traveled Grapevine section of Interstate 5.

Damaging surf of 10 to 15 feet was possible in Southern California and waves a whopping 15 to 25 feet could hit the Central Coast through Thursday night, the National Weather Service said.

In San Diego County, winds were serious enough to bring a brief tornado warning Wednesday.

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And rains hit several areas hard late Wednesday night. Voluntary evacuation advisories in some burn areas in danger of mudslides were cancelled. But authorities evacuated 10 mobile homes in the Newhall area northwest of Los Angeles as watery mud flowed into the streets from hillsides burned bare in a June fire, Los Angeles County officials said. No injuries or serious damages were reported.

Northeast of Los Angeles in Monrovia, Wayne Socha used a sledgehammer to knock a hole in a cement wall in his backyard to let built up mud and debris flow through. A wildfire two years ago stripped away vegetation and loosened soil, and he feared the strong storms could bring it all down.

"It looked like Niagara Falls," Socha said. "It was quickly building up behind the house and I knew it could come right inside."

At the foot of the San Gabriel Mountains, Monrovia officials dispatched crews with sandbags to help protect Socha's neighborhood from landslides. That eased his mind somewhat, but he said he and his wife were vigilantly watching forecasts of more rain.

"We're amateur meteorologists now," he said.

Well over two inches of rain fell on several mountain areas of Southern California on Wednesday, including 3.5 inches at the San Gabriel Dam in the Angeles National Forest.

Driving rain also inundated the San Francisco Bay Area, causing nearly two dozen crashes among commuters, toppling trees and flooding streets and streams. Officials shut down the city's iconic cable cars for much of Wednesday.

Another less-powerful El Niño storm was right behind and expected to reach land Thursday.

Despite the potential for problems, the wet weather in California was welcome news for the state suffering from a severe drought. But officials warned residents against abandoning conservation efforts and reverting to wasteful water-use habits.

The current El Niño system — a natural warming of the central and eastern Pacific Ocean that interacts with the atmosphere and changes weather worldwide — has tied a system in 1997-1998 as the strongest on record.

Based on reporting by the Associated Press.