Evacuation orders and warnings have gone into effect for burn scar areas across Southern California as heavy rainfall threatens dangerous debris flows.

A powerful storm is bearing down on California as an atmospheric river drops through the state. While the fast-moving system will affect nearly the entire state on Thursday, Southern California is of high concern as intense rains fall on the heels of devastating wildfires — downpours that could trigger damaging floods and debris flows.

As heavy rain from a large storm subsided, officials in Southern California said rock and mudslides remain a threat.

Intense storms left behind a widespread mess across L.A's fire burn scar areas and surrounding communities as city and county crews worked to clean up flooded roads from mud and debris flows KTLA's Sandra Mitchell and Shelby Nelson report on Feb.

As a powerful storm slammed into Southern California, mudslides were triggered across the region, especially in the Palisades Fire and Eaton Fire burn scars. Other areas across Los Angeles and Orange County saw flash flooding.