Areas charred by last month's wildfires in Southern California now face a new threat from a powerful, but fast-moving Pacific storm. Here's what you need to know about this threat.

National Weather Service forecasters today warned of a strong storm system is making its way toward Los Angeles, saying that the storm could trigger flooding and debris flows, particularly in recent burn areas.

According to The Weather Channel, the storm raises major concerns for flash flooding and debris flows, especially in areas recently scorched by wildfires, including the Eaton and Palisades fire zones in Southern California.

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.

Residents in burn scar areas should be ready to evacuate if needed. City and county agencies have readied streets for debris flow with K-rails and sandbags, as a storm moves in on Wednesday, Feb.