Southern California is bracing for an "unprecedented" third Particularly Dangerous Situation warning in a month, as extreme Santa Ana winds increase fire danger.

Windy and dry conditions have returned to Southern California, raising the risk of new wildfires sparking as firefighters continue to battle two major blazes in the Los Angeles area that started in similar weather nearly two weeks ago.

With more critical fire weather this week in Los Angeles, the National Weather Service once again issued one of its strongest warnings possible.