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The Santa Anas are katabatic winds (Greek for "flowing downhill") arising in higher altitudes and blowing down towards sea level. [7] The National Weather Service defines Santa Ana winds as "a weather condition [in southern California] in which strong, hot, dust-bearing winds descend to the Pacific Coast around Los Angeles from inland desert regions".
The warm and cold flavors of Santa Ana winds are generally rooted in the same dynamics. But cold Santa Ana wind events, Houk said, are driven by mid- and upper-level low pressure and colder air aloft.
The winds — often dubbed “Devil Winds” — are believed to be named after the Santa Ana Canyon in Orange County. How do the Santa Ana winds form? The winds are created by high pressure over ...
Santa Ana winds in California expand fires and spread smoke over hundreds of miles, as in this October 2007 satellite image. The Rim Fire consumed more than 250,000 acres (100,000 ha) of forest near Yosemite National Park, in 2013. This is a partial and incomplete list of wildfires in the US state of California. California has dry, windy, and ...
How strong are the Santa Ana winds? The strength of the wind is what helps to spread fires rapidly. Speeds of 60 to 80mph (95-130km/h) are common, but gusts of up to 100mph (160km/h) can occur ...
Santa Ana winds can sweep urban pollution away, creating sparkling vistas. At the same time, the extreme lack of moisture dries out lips, noses, throats and skin. In the short story “Red Wind,” Raymond Chandler captured the emotional effect: “There was a desert wind blowing that night.
Santa Ana winds are katabatic, gravity-driven winds, draining air off the high deserts, while the Diablo-type wind originates mainly from strongly sinking air from aloft, pushed toward the coast by higher pressure aloft. Thus, Santa Anas are strongest in canyons, whereas a Diablo wind is first noted and blows strongest atop the various mountain ...
The Santa Ana winds are notorious for being hot, dry and dusty, ... the 2008 Sayre fire and the 2017 Thomas fire, which was the largest wildfire in state history at the time. ...