Santa Ana winds are forecast to arrive this week.

Heavy rains over the last two months have minimized fire risk.

Two rounds of Santa Ana winds are forecast to hit Southern California this week, bringing the potential for downed trees and isolated power outages across Los Angeles and elsewhere.

The winds will arrive Monday in northwestern L.A. County and southern Ventura County, where forecasters predict windspeeds between 20 and 30 mph with gusts up to 50 mph, said Robbie Munroe, meteorologist with the National Weather Service in Oxnard. Winds are expected to mostly subside by the early evening, he said.

Another Santa Ana event is expected to hit those same areas Wednesday into Thursday, he said.

Unlike onshore winds, which bring in moisture as they blow from the ocean over the land,

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