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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".
Direction shown by smoke drift but not by wind vanes 2 Light breeze 4–6 knots 4–7 mph 6–11 km/h 1.6–3.3 m/s 1–2 ft 0.3–0.6 m Small wavelets still short but more pronounced; crests have a glassy appearance but do not break Wind felt on face; leaves rustle; wind vane moved by wind 3 Gentle breeze 7–10 knots 8–12 mph 12–19 km/h
The Tehachapi Mountains and Tehachapi Pass in 1869. The mountain pass acts as a venturi effect to air moving between ocean and desert, increasing wind speed. [5]The area east and south of the pass is home to the Tehachapi Pass Wind Farm, and to the west is Alta Wind Energy Center, some of California's larger wind farms.
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 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 ...
A wind atlas contains data on the wind speed and wind direction in a region. [1] These data include maps , but also time series or frequency distributions . A climatological wind atlas covers hourly averages at a standard height (10 meters) over even longer periods (30 years) but depending on the application there are variations in averaging ...
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A wind speed of 15 mph and temperature of 15 degrees can make it feel like zero degrees, for instance. Wind chill values near minus 19 degrees mean frostbite is possible within 30 minutes.