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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 natural disaster, fueled by the Santa Ana winds, began around 10:52 p.m. Monday. ... Franklin Fire Map. Contributing: Julia Gomez, Jeanine Santucci, Doyle Rice, Terry Collins, Thao Nguyen ...
To form the Santa Ana winds, the typical first ingredient is a chilled autumn day in the high desert of southern Nevada. The chill creates cold, dense air, which is squeezed from aloft by a high ...
"The speed with which the Franklin Fire ballooned overnight, driven by these very strong Santa Ana winds and extraordinarily dry chaparral vegetation, is especially alarming given its proximity to ...
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 will be problematic in portions of Orange, Ventura, Santa Barbara and northwestern Los Angeles counties," Feerick said, "Much of the Los Angeles metro area sits in a bowl-like ...
Strong winds will howl across parts of Southern California this week that could cause damage and increase the risk for wildfires, following on the heels of a Santa Ana event that took place just ...