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Monday, November 9, 2026Nov 9

Things to know about Southern California’s Santa Ana winds

FILE - In this Jan. 24, 2015, file photo, huge surf crashes ashore at El Segundo, Calif. Southern California's first Santa Ana wind event of the season was forecast to occur Thursday night Oct. 29, and Friday, Oct. 30, 2015 by the National Weather Service. (AP Photo/John Antczak, File)
FILE - In this Jan. 24, 2015, file photo, huge surf crashes ashore at El Segundo, Calif. Southern California's first Santa Ana wind event of the season was forecast to occur Thursday night Oct. 29, and Friday, Oct. 30, 2015 by the National Weather Service. (AP Photo/John Antczak, File) FILE - In this Jan. 24, 2015, file photo, huge surf crashes ashore at El Segundo, Calif. Southern California's first Santa Ana wind event of the season was forecast to occur Thursday night Oct. 29, and Friday, Oct. 30, 2015 by the National Weather Service. (AP Photo/John Antczak, File)

LOS ANGELES (AP) – Southern California’s first Santa Ana wind event of the season was forecast to occur Thursday night and Friday by the National Weather Service. A look at the often-fierce winds that topple power lines and trees, and can turn a spark into a raging wildfire:

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WHAT ARE SANTA ANA WINDS?

Santa Anas are dry, warm and gusty northeast winds that blow from the interior of Southern California toward the coast and offshore, moving in the opposite direction of the normal onshore flow that carries moist air from the Pacific into the region. They typically occur during the fall months and continue through winter and into early spring.

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