The fire ignited in Pacific Palisades amid "a life-threatening, destructive, widespread windstorm," officials said.

Santa Ana winds in Southern California are often-fierce winds that topple power lines and trees and can turn a spark into a raging wildfire.

Santa Ana winds will create extreme fire danger and bring the possibility of damaging winds not seen in 10-plus years for some areas.

The Santa Ana Wildfire Threat Index is warning Southern Californians of high risk conditions this week. Winds will increase on Tuesday, likely peaking Tuesday night into Wednesday morning, then weakening some on Thursday. It will be critically dry, and fire danger will be high. Be prepared.

Dry conditions, gusty winds, and low relative humidity are all hitting San Diego County at the same time leading to critical fire concerns for the region.

Strong wind gusts are blasting Los Angeles this week. Here’s what to know about Santa Ana winds and why it’s so windy.

Mountain road closures are planned, and precautionary power shutoffs are expected due to potentially destructive winds and ultra-low humidity.

Wind Alerts have been issued beyond Southern California into Las Vegas up to South Lake Tahoe to Redding, CA. Winds are expected to be gusting up to 50-65 mph and higher elevations could have gusts reaching close to 80mph at times between now and Thursday.