The Santa Ana wind forecast for Southern California has worsened, and forecasters now expect to issue a red flag fire weather warning starting Monday.

More than 100,000 LA residents have been evacuated from their homes and about 29,000 acres (11,300 hectares) have been burned by the five fires as of early Thursday morning (Jan. 9.) The fires have destroyed more than 1,000 structures so far and five confirmed fatalities have been reported, according to the Associated Press (AP).

Another wave of Santa Ana winds arrive Saturday ... a ridge of high pressure settling over the Great Basin of Utah and Nevada, creating a "tight" pressure gradient that will produce the offshore ...

However, several additional rounds of moderate Santa Ana winds will occur through the middle ... On Tuesday, Jan. 7, the wind event originated in the Nevada and Utah regions of the Great Basin ...

Helping drive the wildfires in Los Angeles are the so-called Santa Ana winds, a weather phenomenon known to dry out "the hills and the nerves to flash point." The windstorms occur when cold air gathers in the neighboring states of Nevada and Utah.

As they move down the Santa Ana and Sierra Nevada mountains and shoot through valleys, the winds compress -- creating a rise in their temperature and a drop in their relative humidity. With hot ...

Extreme fire weather returns to Southern California - particularly Los Angeles and Ventura counties - as winds of up to 100 mph have prompted the most urgent warning from the National Weather Service.

Extreme fire weather returns to Southern California - particularly Los Angeles and Ventura counties - as winds of up to 100 mph have prompted the most urgent warning from the National Weather Service.

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

Just a few years after the ozone hole was detected via satellite, the industrialized nations of the world, meeting in Montreal in 1987, adopted what is known as the Montreal Protocol.

Santa Ana winds return to Southern California from Monday to Tuesday, once again raising fire danger concerns.