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

The Palisades and Eaton wildfires continue burning in the Los Angeles area as Southern California prepares for increased fire danger.

"A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly," the NWS said.

Firefighters responded to a brush fire Wednesday north of Los Angeles on a day of red flag warnings for parts of Southern California.

CASTAIC, Calif. — Evacuation orders were lifted Thursday for tens of thousands as firefighters with air support slowed the spread of a huge wildfire churning through rugged mountains north of Los Angeles, but new blazes erupted in San Diego County, briefly triggering more evacuations.

There is a 10% to 20% chance of flash flooding and landslides in some recently burned areas of Los Angeles County, forecasters say, including the Palisades and Eaton fire areas.

Some behaviors, like yawning and scratching, are socially contagious. If one person does it, others are likely to follow suit. Researchers at Washington University School of Medicine in St. Louis have found that socially contagious behavior is hardwired in the brain.

The Los Angeles County Sheriff's Department said in an update Thursday that 18 people remain missing after the Southern California wildfires. Overall, authorities received a total of 43 missing persons reports related to the Eaton and Palisades fires. Of those, 12 were located safe.

The National Weather Service said there is a 15-25% chance of thunderstorms across the region, which could bring periods of heavy rainfall that could overwhelm the burn-scar areas.

Tammy Haughey, recently promoted to managing partner at The Shipyard -- an advertising agency with an office in San Diego -- is now in her 38th year of working in the advertising agency business with much of her career in key executive roles serving travel,

Los Angeles County’s latest major wildfire burns more than 10,000 acres near Castaic Lake as new Laguna Fire forces campus to evacuate