Here is a map that shows heat detected on three of the four major fires in southern California, the Station, Morris, and Portuguese fires.
The Portuguese fire is in the Rancho Palos Verdes area and was formerly known as the PV or RPV fire. It is the red area in the lower left corner of the map, without a label.
GEOMAC. Data from 4:10 a.m. PT, Aug. 28.