Much-needed rain has begun to fall over Southern California, bringing relief to the drought-stricken region but also the threat of toxic runoff.

The recent storm brought some much needed moisture to Southern California without the dangerous mudslides some feared. But did it help reduce the fire danger?

The first significant storm of the season brought snow and downpours to Southern California that doused wildfires and caused some ash and mud to flow across streets in the Los Angeles area on Monday.