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Learn about the impact of Santa Ana winds on flying near San Gabriel and San Bernardino Mountains, wind shear risks, and pilot recommendations to ensure safety.
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CCM3 October 28, 2013 John Peralta
Question Location Santa Ana Winds Wind shear Recommendation Question: A pilot will be flying low parallel with the San Gabriel and San Bernardino Mountain range during the Santa Ana winds. Which side of the mountain should the pilot fly over?
Question Location Santa Ana Winds Wind shear Recommendation The location of the San Bernardino and San Gabriel Mountains with respect to the globe
Question Location Santa Ana Winds Wind shear Recommendation Santa Ana winds are caused by sinking air over the Mojave Desert. Winds flow out of this area. Image from Fovell (2002) Winds over the SGSB Mountains are northerly during the Santa Ana winds.
Question Location Santa Ana Winds Wind shear Recommendation During the night the wind direction changes Fovell image over Google Maps Image During the night winds flow from the top of the mountains.
Question Location Santa Ana Winds Wind shear Recommendation Windward versus Leeward side of mountain There is wind shear on the Leeward side of the mountain.
Question Location Santa Ana Winds Wind shear Recommendation I recommend the pilot fly on the North side of the San Gabriel and San Bernardino Mountains and to avoid doing so during the night hours. FAA. "Weather Theory." Pilots Handbook of Aeronautical Knowledge. N.p.: n.p., 2008. 11-10. Web. Fovell, Robert. "The Santa Ana Winds." The Santa Ana Winds. N.p., Nov. 2002. Web. 22 Oct. 2013. <http://tornado.sfsu.edu/Geosciences/classes/Metr590/Assignments/Rider_v_Trough/SantaAnaWinds.html>. "San Bernardino Mountains." Wikipedia. Wikimedia Foundation, 17 Oct. 2013. Web. 22 Oct. 2013. <http://en.wikipedia.org/wiki/San_Bernardino_Mountains>.