Nissen: The relative humidities -- what they'll do is they will quite literally suck the moisture out of these fuels. You'll see around us that there is a lot of vegetation dead and dying. It's a high percentage of dead fuel load per acre, so that the dead fuels outnumber the live probably almost 2-to-1.
Nissen says San Diegans should take care to protect themselves and their homes from fire danger -- one of the many lessons learned from the Cedar fire.
Nissen: The first thing is, is do your homework. Get out there and clear your brush. Be a good advocate for yourself. Make sure that at least you always have 100-feet of clearance around your homes.
Meanwhile, Nissen says some San Diego fire fighters have been sent to help fight a brush fire that's raging in Riverside County. The fire broke out shortly after 1 a.m. this morning. According to the U.S. Forest Service, four firefighters have been killed and one was critically injured in that fire.