The recent wildfires in Los Angeles were intensified by strong Santa Ana winds, which are a unique weather pattern in Southern California. These winds are caused by the topography of Southern California and the circulation of a strong high-pressure system over the Rocky Mountains.

Multiple wildfires are currently raging through Los Angeles County, forcing evacuations and destroying neighborhoods. A long dry summer created ample fuel that has combined with a lack of rainfall over the winter to extend fire season conditions.

Red Flag Warnings remain in effect through Friday evening for much of Los Angeles and Ventura Counties, the National Weather Service said.