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.

The National Weather Service office sounded the alarm of a “particularly dangerous situation" that is set to go in effect Monday at noon and last through Tuesday at 10 a.m. for swaths of Los Angeles County and most of Ventura County.

Santa Ana winds are whipping Southern California on Tuesday, sparking fresh fears that progress made fighting wildfires that have scorched over 40,000 acres and left 27 dead could be reversed and more blazes could break out.