Heavy rains on Tuesday triggered flooding, mudflows, and rolling debris in the Santa Barbara County's Montecito and closed a number of roads. The flows killed at least 13 people, injured 25, and stranded hundreds. The area had recently been hit hard by the Thomas Fire.
The Soil Science Behind the Deadly Montecito Mudslide
Wildfire, cliffside development, and rain combined to create last week's devastating slide.