A high wind warning was issued by the NWS San Diego CA on Wednesday at 12:04 p.m. valid for Thursday between 6 a.m. and 6 p.m. The warning is for San Bernardino and Riverside County Valleys-The Inland Empire,

A rare Particularly Dangerous Situation warning has been issued for Southern California as a powerful and potentially damaging Santa Ana wind event​ is expected.

A second day of ferocious winds were forecast for Tuesday in Southern California where firefighters remained on alert and extreme fire weather raised the risk of new wildfires two weeks after two major blazes still burning in the Los Angeles area sparked.

Millions of California residents were placed under a red flag warning through Thursday amid threats of further fires with looming winds in the forecast, according to multiple reports.

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

A small number of residents were allowed to return to the devastated Pacific Palisades and Altadena areas and firefighters quickly controlled small blazes that broke out.

The National Weather Service on Tuesday extended its red flag warning for Southern California until Thursday evening.