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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 Santa Ana winds form in a western area of the country known as the Great Basin, which includes Nevada and part of Utah. The basin sits at a higher elevation than Southern California.
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 flow east to west through Southern California's mountains, according to the National Weather Service. They begin when winds from the desert flow westward toward an area of low ...
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 ...
The fast-moving wildfires ripping through Southern California are being fueled by the state’s fierce Santa Ana winds. The Los Angeles Fire Department is bracing itself for the bruising winds to ...