The two largest fires, the Palisades Fire in Pacific Palisades and the Eaton Fire near Pasadena, remain active. One of the latest, the Hughes Fire in the Castaic area, has prompted evacuation orders for tens of thousands of people.

The Clay Fire was one of several fires that broke out in Southern California Tuesday as parts of the region sees red flag warnings through Thursday.

Clay Fire initially started 5 p.m. Jan. 21 in Riverside County. After being active for 37 hours, it has burned 39 acres. As of Thursday morning, 70% of the fire was brought under containment by a crew of 50 firefighters. The cause of it remains under investigation.

As the relentless Santa Ana winds sweep through, a new fire threat emerged in Jurupa Valley, leaving residents on edge and firefighters racing against time.