A powerful storm with an atmospheric river threatens to bring life-threatening flooding and debris flow from Los Angeles wildfires burn scars. The atmospheric river is forecast to unleash heavy downpours and wind on areas charred by last month’s fires,

The weather phenomena are common for California winters, but they could cause dangerous debris flows or mudslides in recently burned areas.

Southern California is in desperate need of rain, but it could come far too fast this week, especially in areas recently burned by wildfires.