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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 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 ...
What are Santa Ana winds? Santa Anas are dry, warm and gusty northeast winds that blow from the interior of Southern California toward the coast and offshore, moving in the opposite direction of the normal onshore flow that carries moist air from the Pacific into the region.
Powerful Santa Ana winds are returning to the Los Angeles area this week, worrying officials as they work to contain multiple large wildfires. ... with a change in wind direction possibly bringing ...
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 ...
Last week, winds in excess of 100mph (160km/h) were recorded and the presence of a deep area of low pressure centred on the border with Mexico, boosted the strength of the Santa Ana wind.