A fast-moving wildfire exploded to roughly 10,200 acres near the Los Angeles County community of Castaic Wednesday morning, prompting mandatory evacuation orders and road closures, authorities said.

Updating maps of Southern California show where wildfires, including the Palisades, Eaton and Hughes fires, are burning across Los Angeles.

Three major fires were burning on a day of high fire danger Wednesday in Los Angeles County. The fires include the deadly Eaton and Palisades fire and the Hughes Fire, which started Wednesday morning in the Castaic area.

Santa Ana winds will continue whipping through Southern California through Thursday, sparking fears that progress made fighting wildfires that have scorched over 40,000 acres and left 28 dead could be reversed and more blazes could break out.