Red flag warnings went into effect Wednesday morning and will remain in effect through much of Friday due to predicted strong gusts and very low relative humidity, the National Weather Service said.
Some Orange County neighborhoods saw damage created by the strong winds. Surveillance video captured the moment a large tree on the 300 block of South Pacific Avenue in Santa Ana fell over onto parked cars below.
Two other trees were reported down on the 2200 block of South Magnolia as well as the 2100 block of West Chestnut near Lincoln Elementary School.
In Westminster overnight, the strong winds may have sparked several fires when it pulled down some power lines, knocking a tree over.
A shed caught on fire and the flames spread to other homes nearby. Fire crews called it a challenging night trying to secure downed power lines while contending with the strong gusts.
Meanwhile, the Santa Anas brought the prospect of public safety power shutoffs in high-risk areas to prevent wildfires from being sparked if the winds were to damage power equipment or blow debris into power lines.
Southern California Edison said power was cut to more than 57,000 customers in Los Angeles, Orange, Riverside, Ventura and San Bernardino counties as of Thursday morning and shutoffs were possible for another 148,000 customers in seven counties.
The Associated Press contributed to this report.
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