"The fire is growing with a moderate rate of spread and structures are threatened," Cal Fire said as it issued evacuation orders.

Two new fires ignited in San Diego County on Tuesday, as firefighters continue fighting blazes further north in Los Angeles.

Multiple brush fires erupted in San Diego’s North County early Tuesday morning, prompting a fast response from firefighters and mandatory evacuations.

The fires come as San Diego County mountains and valleys, along with other parts of Southern California, remain under a red flag warning.

A wind-driven wildfire charred dozens of acres in the sparsely developed northeastern reaches of San Diego County, damaging structures and forcing pre-dawn evacuations before crews could gain the upper hand on the flames Wednesday.

A second day of windy and dry conditions is in store for Southern California. Winds have picked up and are expected to continue through Tuesday morning, raising the risk of new wildfires sparking.

Santa Ana winds continue to blow through Los Angeles area Thursday, enabling wildfires and challenging firefighting efforts.

Continued strong winds and dry conditions on Wednesday morning rapidly spread a fire near Castaic Lake in northern Los Angeles County and has burned through 8,096 acres.

Thousands of firefighters have been battling wildfires across 45 square miles of densely populated Los Angeles County. The two largest fires, the Palisades Fire in Pacific Palisades and the Eaton Fire near Pasadena, remain active.

A vegetation fire broke out in Bonsall in North San Diego County, damaging multiple structures early Tuesday morning.

More than 50,000 are under evacuation orders or warnings as a new wind-driven wildfire spreads in the mountains north of Los Angeles. The Hughes Fire broke out late Wednesday morning.