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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 tremendous wind speeds can stoke any spark — from a fallen power line, for example — into a rapidly spreading conflagration. Santa Anas are linked to some of the worst wildfires Southern California has experienced. ___ HOW DID THEY GET THEIR NAME? A commonly accepted explanation is that the name is linked to Santa Ana Canyon in Orange ...
Unlike the prevailing winds in Southern California, which flow generally from west to east, carrying temperate air from the Pacific, the Santa Anas flow from northeast to southwest out of the ...
Santa Ana winds and, their Bay Area cousin, the Diablo winds occur when air from a region of high pressure over the dry Great Basin region of the U.S. flows westward toward lower pressure located ...
Prevailing winds are strongly influenced by Earth's overall atmospheric circulation, in addition to smaller-scale and shorter-lived weather phenomena. In meteorology, prevailing wind in a region of the Earth's surface is a surface wind that blows predominantly from a particular direction. The dominant winds are the trends in direction of wind ...
The winds are also blowing the embers of the Eaton Fire, which is impacting the cities of Pasadena and Altadena in northeast L.A. County. What are Santa Ana Winds?
Occasional strong offshore winds, known as the Santa Ana winds, can bring particularly hot air in summer and fall as air from the desert plateaus crosses the mountains and descends, thus warming further by adiabatic heating. Summer and early fall temperatures are substantially cooler if the prevailing wind is persistently onshore.
Gusty, dry winds — some that could reach up to 100 mph — are forecast across much of Los Angeles and Ventura counties beginning Tuesday, and are expected to elevate the threat for fast-moving ...