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Santa Ana Winds

/ˈsæntə ˈænə wɪndz/noun
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Santa Ana Winds are the hot, dry gusts that sweep through Southern California, typically in the fall and winter, originating from high-pressure systems in the desert interior. These winds can reach speeds of 40-60 mph, stripping moisture from the air and exacerbating wildfire risks, making them a dreaded seasonal hazard in urban planning and emergency response.

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Santa Ana Winds can cause temperature drops of up to 30 degrees Fahrenheit in just hours due to their adiabatic compression effect, and in 1993, they were a key factor in the destructive Laguna Fire, which scorched over 24,000 acres and led to widespread evacuations in a single day.

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