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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 etymology of the word sundowner is uncertain, but it may derive from the Spanish term zonda, or from the Arabic simoom, which are both similar wind phenomena. [5] It is also typically the case that sundowner winds commence in the evening near sunset, when onshore sea breezes abate and offshore flows such as the sundowners pick up.
Santa Ana winds in California expand fires and spread smoke over hundreds of miles, as in this October 2007 satellite image. The Rim Fire consumed more than 250,000 acres (100,000 ha) of forest near Yosemite National Park, in 2013. This is a partial and incomplete list of wildfires in the US state of California. California has dry, windy, and ...
As strong winds in Southern California pick up further early on Tuesday, a "particularly dangerous situation" with a red flag warning will go into effect in western Los Angeles County and most of ...
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.
More than 25 million of the state’s 39 million people will be under red flag warnings or fire weather watches this week because of warm temperatures, low humidity and powerful winds, as high as ...
California wildfires: Eaton Fire prompts more evacuations in California: See map Firefighters work to extinguish flames as the Eaton Fire burns in Pasadena, California, U.S. January 7, 2025. Map ...
Whenever a tropical cyclone forms inside or enters the Philippine Area of Responsibility (PAR), the Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA) commences the release of Tropical Cyclone Bulletins (TCB) to inform the general public of the cyclone's location, intensity, movement, circulation radius and its forecast track and intensity for at most 72 hours.