For reference here is a quick map showing Oak perimeter (yellow line), early AM Modis-VIRS heat data, relationship to the '2018 Ferguson Fire" and density of structures (dark yellow squares) in the Triangle Road area. Keep in mind per @IMT_Geek last post, shows the heat data is already outdated due this fire not laying down overnight. And already punching through the inversion per Bullion cam.
(Edit to show North end of Triangle Rd.)