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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".
Santa Ana winds occur when winds blow and pick up speed as they travel from the inland deserts toward the coast. These wind events usually kick off in the fall and winter months in the Los Angeles ...
Santa Ana winds (dry downslope winds that affect coastal Southern California and northern Baja California) Santa Lucia winds (a downslope wind affecting southern San Luis Obispo and northern Santa Barbara Counties, California) [citation needed] Squamish (strong, violent wind occurring in many of the fjords of British Columbia)
The winds drive surface water to the right of the wind flow, that is offshore, which draws water up from below to replace it. The upwelling further cools the already cool California Current. This is the mechanism that produces California's characteristic coastal fog and cool ocean waters. As a result, ocean surf temperatures are much colder in ...
The Santa Ana winds become particularly dangerous when ... September to May — cold air in the basin is forced downhill and westward toward low-pressure areas along the Southern California coast ...
Powerful Santa Ana winds are returning to the Los Angeles area this week, ... along Pacific Coast Highway in Malibu, California, U.S., Jan. 12, 2025.
The Diablo wind is created by the combination of strong inland high pressure at the surface, strongly sinking air aloft, and lower pressure off the California coast. The air descending from aloft as well as from the Coast Ranges compresses as it sinks to sea level where it warms as much as 20 °F (11 °C), and loses relative humidity. [4]
As winds across the Southern California area are calmer than their peak and firefighters are making progress, the threat to the fire-weary region remains with Santa Ana winds expected to continue ...