圣塔安那风

圣塔安娜风是一种典型的南加州季节性强风。圣塔安娜风是强烈且非常干燥的下坡风,起源于内陆,影响到沿海的南加利福尼亚州北下加利福尼亚半岛。该风经常引起在加州森林大火[1][2]

圣安娜风从沙漠中横扫,沿着加利福尼亚南部沿海,将野火焚烧成灰尘和烟雾带到远处太平洋上。 洛杉矶在这张图片的左上方,圣地亚哥靠近中心。

形成

机制

 
这张地图插图显示了以大盆地为中心的高气压,顺时针方向的反气旋风从高压中心流出,当气团流经南加利福尼亚的山口和峡谷时,从而产生下降风,形成干燥的东北风,称为圣安娜风。

另见


参考资料

  1. ^ Masters, Nathan. SoCal's Devil Winds: The Santa Anas in Historical Photos and Literature. www.kcet.org. KCET. October 25, 2012 [May 3, 2012]. (原始内容存档于October 29, 2012).  "(White)Scholars who have looked into the name's origins generally agree that it derives from Santa Ana Canyon, the portal where the Santa Ana River -- as well as a congested Riverside (CA-91) Freeway -- leaves Riverside County and enters Orange County. When the Santa Anas blow, winds can reach exceptional speeds in this narrow gap between the Puente Hills and Santa Ana Mountains."
  2. ^ Needham, John. The Devil Winds Made Me Do It : Santa Anas Are Enough to Make Anyone's Hair Stand on End. www.latimes.com. Los Angeles Times. March 12, 1988 [May 3, 2013]. (原始内容存档于April 29, 2014). 

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