Santa Ana winds are caused by strong high pressure over the Great Basin region of the West creating a pressure gradient that amps up winds through the mountains, foothills and sometimes valleys of Southern California. In this case, the winds are getting a major boost from a strong upper-level low pushing southward across the state.

Mountain road closures are planned, and precautionary power shutoffs are expected due to potentially destructive winds and ultra-low humidity.

The National Weather Service has issued an extreme weather warning of a life-threatening and destructive windstorm

There are multiple large wildfires burning in Southern California Wednesday morning, fulfilling many people’s worst fears ahead of a powerful windstorm and dry conditions. Officials from several Los Angeles County and city agencies provided an update on the various fires from downtown Los Angeles Wednesday morning,

Strong winds that sent wildfires ripping through the mountains and foothills around Los Angeles fed a spectacle of smoke, flames and flight.Firefighters are battling several wildfires across Los Angeles County,