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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.
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 ...
Conditions are still dry, and Santa Ana winds are forecast to return Saturday, with gusts in the 25 mph to 35 mph range for parts of Los Angeles County that include the Pacific Palisades, the ...
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.
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.
Cal Fire has issued a red flag warning for the region, which is at risk of extreme wildfires fueled by daunting Santa Ana winds, low humidity and critically dry fuels. Los Angeles city and county ...
Map of Palisades Fire Evacuation Orders and Warnings Eaton Fire. Size: ... and remain in effect until Saturday, January 25, as another round of Santa Ana Winds sweeps across Southern California.