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Santa Ana Winds Topple Trees, Down Power Lines

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Winds buffeted the San Fernando, Santa Clarita and Antelope valleys Monday, knocking down trees and power lines and prompting authorities to issue strong-wind advisories for freeways.

Gusts toppled a tree onto a car parked on Hillslope Street in Studio City. And scattered outages left about 3,900 residents citywide without power Monday, Department of Water and Power officials said.

Forecasters said the Santa Ana winds that arrived with gusts of up to 50 mph across the region would diminish by Thanksgiving.

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A high-pressure system over Nevada caused high winds to push across Southern California, said Stacy Johnstone, a meteorologist with WeatherData Inc., which provides forecasts to The Times.

“The high-pressure system is causing the winds to flow from the land to the water when they usually flow from the water to the land,” Johnstone said. “The winds increase in speed as they funnel through the valleys and canyons causing the winds to be stronger.”

Temperatures are predicted to range in the mid-60s to mid-70s through Wednesday, Johnstone said. Highs are expected to be in the mid-60s to low 80s on Thanksgiving Day.

The California Highway Patrol issued strong-wind advisories for high-profile vehicles traveling along the Golden State Freeway between Castaic and Gorman as well as for the Antelope Valley Freeway from the Golden State Freeway to Red Rover Mine Road in Acton.

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