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.

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.

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.