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Old 11-15-2018, 10:09 PM   #21
xoxoxoBruce
The future is unwritten
 
Join Date: Oct 2002
Posts: 71,105
As the climate changes it will only get worse.
Quote:
Each fall, strong gusts known as the Santa Ana winds bring dry air from the Great Basin area of the West into Southern California, said Fengpeng Sun, an assistant professor in the department of geosciences at the University of Missouri-Kansas City.

Dr. Sun is a co-author of a 2015 study that suggests that California has two distinct fire seasons. One, which runs from June through September and is driven by a combination of warmer and drier weather, is the Western fire season that most people think of. Those wildfires tend to be more inland, in higher-elevation forests.

But Dr. Sun and his co-authors also identified a second fire season that runs from October through April and is driven by the Santa Ana winds. Those fires tend to spread three times faster and burn closer to urban areas, and they were responsible for 80 percent of the economic losses over two decades beginning in 1990.
It’s not just that the Santa Ana winds dry out vegetation; they also move embers around, spreading fires.
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