was the wind, hot temperatures and humidity that contributed to the fire, tripling in sis since monde ini. it jumped the sacramento river and reaching the reading area, that's the big concern right now. reading is the largest city in this region, with about 92,000 people. as far as the size of this fire, it is more than 28,000 acres and only at 6% containment. bun bulldozer operator on the fire lines has been killed as a result of the fire, firefighters as well, civilians taken to hospitals for injuries, as well as dozens of homes destroyed, structures are threatened and thousands of residents are being forced to evacuate this area as e we'll continue to follow the story and have another update for you at the top of the hour. we're live in corte madeira, pete suratos for "today in the bay." >> people are using social media to share photos and video, we're tracking all of it being posted. you can just look at the size of the flames out there, there's red-orange glow in the air. send us photos to ic@nbcbayarea.com. coverage continues all morning long on "today in the bay," new details every