Several California wildfires have sparked this week, aligning with the first Red Flag Warning of the season, due to gusty northerly winds and low humidity values. The largest active fires by acres as of Tuesday are the Post Fire in Los Angeles and Ventura counties, the Sites Fire in Colusa County, and the Aero Fire in Calaveras County. MORE: https://www.wtsp.com/article/news/local/wildfire/active-fires-california-map-right-now/103-7047b2d5-1fe0-4703-89fa-9a5f02767c0f