100 acres going in RRU, Mann Ave in the Santa Ana River. looks to be wind driven.
Column seen here. See Axis Fontana
http://www.alertwildfire.org/inlandempire/index.html?camera=Axis-Fontana1&v=92b5045
Weather…Winds currently out of the NNE, gusting 15-25 mph. Humidity 15-20%.