On December 13 , the Thomas Fire 's expansion slowed on its west flank , as it reached the burn area of the from 2007 . However , the Thomas Fire 's northwestern and southwestern flanks merged on the western shore of Lake Casitas , completely encircling the lake and the Ojai area . Firefighters have expected the fire 's growth to be disrupted if it reaches the burn scars of other previous fires to the west within the last 10 years : the Tea , Jesusita , Gap , and Rey Fires
Jesusita
Jesusita Fire
Thomas Fire