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Strong northerly winds took hold of Southern California overnight and are expected to hold on in some areas until Friday, according to the National Weather Service.

Wind advisories are in place until Thursday for parts of Los Angeles County and the San Fernando Valley.

Gusts up to 45 mph are expected in the areas of Woodland Hills, Northridge, Burbank and Universal City.

A downed tree was blocking Fulton Avenue Wednesday morning near Victory Boulevard in the Valley Glen neighborhood. The uprooted tree also crushed a white van that was parked nearby.

Later in the day, a toppled tree shut down the 300 block of Niagara Street in Burbank. The road was expected to remain closed overnight.

Another large tree fell near an elementary school in Norco.

In Eagle Rock, power lines fell near the intersection of Chickasaw Avenue and Maywood Avenue just south of Colorado Boulevard. It was unclear if the wind caused the lines to break.

Even stronger winds are expected in the Inland Empire. A high wind warning has been issued until noon Friday with forecasters calling for 70 mph gusts in the Riverside and San Bernardino county mountains.

A wind advisory is in place for Orange County through Friday and Santa Barbara County until later Wednesday.

Forecasters are warning drivers on the 101 Freeway in both Santa Barbara and Ventura counties to be on alert as powerful winds can knock over high-profile vehicles.

Dangerous winds could also impact canyon roads in the Santa Monica Mountains.

The public was urged to be aware of the possibility of falling tree limbs and power lines.