On Thursday at 5:18 a.m. a flood advisory was issued by the NWS Los Angeles/Oxnard CA in effect until 11 a.m. for Los Angeles.

A flash flood watch has been issued for much of Los Angeles and Ventura counties ahead of two rainstorms that will increase the potential of debris flow in burn scar areas.

On Thursday at 2:03 a.m. the NWS Greenville-Spartanburg SC issued a flood advisory in effect until 1:45 p.m. for Henderson County.

Another major storm system threatening the West Coast with rain, mudslides and flooding is triggering new evacuation warnings in areas of California impacted by last month's wildfires. CBS News national weather correspondent Rob Marciano has more.

As Los Angeles braces for its most powerful storm of the season, concerns of mudslides and debris flows in recently fire-hit areas have prompted evacuation warnings.

For the second time this year, Southern Californians are evacuating their homes as heavy rain threatens new destruction in areas still recovering from last month’s devastating wildfires.