聖塔安娜風是一種典型的南加州季節性強風。聖塔安娜風是強烈且非常乾燥的下坡風,起源於內陸,影響到沿海的南加利福尼亞州北下加利福尼亞半島。該風經常引起在加州森林大火[1][2]

聖安娜風從沙漠中橫掃,沿著加利福尼亞南部沿海,將野火焚燒成灰塵和煙霧帶到遠處太平洋上。 洛杉磯在這張圖片的左上方,聖地亞哥靠近中心。

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This map illustration shows a characteristic high-pressure area centered over the Great Basin, with the clockwise anticyclone wind flow out of the high-pressure center giving rise to a Santa Ana wind event as the airmass flows through the passes and canyons of southern California, manifesting as a dry northeasterly wind.

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