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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.
In the last few decades, Santa Ana winds have been associated with several large wildfire clusters, including the 2007 Witch Creek fire, the 2008 Sayre fire and the 2017 Thomas fire, which was the ...
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".
Strong northeasterly winds, known as Santa Ana, will howl through the mountains and canyons of Southern California into Thursday, igniting a wildfire risk not seen for years in the region ...
The Mountain Fire began shortly before 9:00 a.m. PST on November 6 during an episode of strong Santa Ana winds in Southern California. [2] The National Weather Service's Storm Prediction Center delineated an "extremely critical" risk area on their Day 1 fire weather outlook, warning of low relative humidity values combined with a strong wind event with gusts of over 65 miles per hour (105 km/h ...
The Santa Ana pattern of winds was expected to create red-flag conditions across the mountains and valleys in Los Angeles and Ventura counties through Saturday, the weather service warned.
At the height of the Santa Ana winds on October 22, the winds reached sustained speeds of 90 mph (140 km/h), with wind gusts up to 112 mph (180 km/h) reported. [ 8 ] Southern California was in the midst of an unusual drought; in Los Angeles, California , with only 3.21 in (82 mm) of precipitation in 2006–2007, it was the driest year on record ...
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 ...