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.

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.

The first wave of the strongest storm of the winter began hitting Southern California on Wednesday, but the most damaging rains are expected Thursday.