Over the three-day storm, L.A. County's burn areas are expected to receive several inches of rain. How fast the rain falls ...

Mudslides are dangerous torrents that are usually referred to by geologists and first responders as debris flows. They have been particularly lethal in parts of California where landscape, climate ...

They’re also costly — Santa Barbara County spent $20 million on a new basin after 2018 — and must be emptied occasionally or they can be overwhelmed by new landslides or mudslides.

FILE - Permit Sonoma Director Tennis Wick crosses a mudslide to inspect a home as heavy rains fall near Healdsburg in unincorporated Sonoma County, Calif., Nov. 22, 2024. Noah Berger - FR34727 AP ...