Southern California is braced for "extremely critical fire conditions" caused by a new period of Santa Ana winds of up to 50 mph.

Firefighters on Tuesday held the line against two massive wildfires that have ravaged parts of Los Angeles for the past week, even as desert winds and a parched landscape presented extremely hazardous conditions.

Firefighters around Los Angeles were preparing on Tuesday to attack flare-ups or new blazes. The National Weather Service issued a rare warning that dry winds combined with severely dry conditions created a “ particularly dangerous situation,

Millions of people in Southern California are on alert as critical fire weather returns to the region this week. This comes as thousands of firefighters are continuing their relentless assault on several wildfires that broke out in the Los Angeles area since last week.

The death toll associated with destructive wildfires that have scorched thousands of acres in the Los Angeles area continues to rise as forecasters issue a dire "Particularly Dangerous Situation" Fire Weather Warning in Southern California.

Firefighters have seen progress as they continue to battle multiple wildfires in Southern California, but strong wind gusts this week could impact the fight.