The wind is expected to hit hardest in the canyon-facing areas in northeast Los Angeles. Strong gusty winds were also expected across the coastal and valleys of Los Angeles and Ventura counties.
The northerly gusts are expected to shift to the northeast Thursday night, becoming the first significant Santa Ana wind event of the season.
Get your full ABC7 forecast here.
In L.A. County, the National Weather Service reported gusts of 51 mph at Whitaker Peak in the San Gabriels, 38 mph at Poppy Park in the Antelope Valley, and 36 mph in the Santa Clarita and San Fernando valleys.
Chantry Flat, Bailey Canyon and Mt. Wilson trails were closed due to the wind and fallen debris, according to the Sierra Madre Police Department.
A tree fell onto a home in the 16000 block of Dearborn Street in the North Hills area early Thursday.
In South L.A., a tree fell onto several cars and a garage near S. Broadway and W. 46th Street. A tree also uprooted and fell onto two vehicles near W. Pico Boulevard and S. Sherbourne Drive in West L.A.
Gusty winds also caused a transformer to explode near Clinton Street and N. Vermont Avenue in East Hollywood.
Winds knocked out power to 4,366 Edison customers in Manhattan Beach at about 10 p.m. Wednesday. The outage affected customers between 10th and 32nd streets, west of Pacific Avenue, police said. Power was fully restored by Thursday morning.
Follow @abc7weather on Twitter for up-to-the-minute weather updates.
LADWP Spokeswoman Amanda Parsons said approximately 11,000 customers were without power throughout the city, including 2,600 customers in Silver Lake, 2,000 customers in Brentwood, 2,200 customers in Harvard Park and 1,700 customers in Venice.
A wind advisory is in effect for the San Fernando Valley, the Orange County coast and L.A. County's coastal zone, which stretches from Malibu to the Hollywood Hills and includes the Los Angeles metro area including downtown.
The wind advisory was set to expire Friday.
City News Service and The Associated Press contributed to this report.