A moderate Santa Ana wind event led to gusty conditions in some Southland mountain and valley areas Monday, with more blustery conditions expected later in the week.

The National Weather Service issued a wind advisory that will be in effect through 3 p.m. for the Western San Gabriel Mountains and Antelope Valley (14) Freeway corridor, where northeast winds of 20 to 30 mph were likely, with gusts up to 50 mph.

A wind advisory was also in place until 3 p.m. for the Santa Clarita Valley, western Santa Monica Mountains Recreational Area, Calabasas, Agoura Hills and the western San Fernando Valley, where gusts of up to 45 mph were possible.

Forecasters warned that the winds could blow around unsecured objects and knock down trees or tree limbs, possibly leading to power outages.

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