Rain water pools where a Fountaingrove neighborhood home once stood Monday, Jan. 8, 2018, in Santa Rosa, Calif. Storms brought rain to California on Monday and increased the risk of mudslides in fire-ravaged communities in devastated northern wine country and authorities to order evacuations farther south for towns below hillsides burned by the state's largest-ever wildfire. (AP Photo/Eric Risberg)
Assistant Fire Marshall for the Santa Rosa Fire Department, Paul Lowenthal, on the possibility of moderate mudslides in the Fountaingrove area, and the new alert system to cover fire, earthquake, and flooding issues: