More than 92,000 residents in Los Angeles County are under evacuation orders as wildfires rage in southern California with looming winds at an "extremely critical" stage, according to multiple reports.

Millions Southern Californians faced new wildfire warnings Tuesday, and tens of thousands saw their power shut off as strong winds blew across the parched landscape around Los Angeles where two massive blazes have been burning for a week.

Firefighters 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.

The strong winds fueling the devastating Southern California wildfires start in the Great Basin that includes Utah and Nevada.