(MALIBU, Calif.) — Several Southern California counties are under “extremely critical” wildfire warnings as warm, dry temperatures and strong winds create volatile fire conditions.
On Wednesday, the National Weather Service issued a rare red flag warning for Los Angeles and Ventura Counties alerting of an “extreme fire risk” from Malibu into the San Gabriel Mountains, north of Los Angeles, where winds could gust near 100 mph.
“A very strong, widespread, and long-duration Santa Ana wind event will bring widespread extremely critical fire weather conditions to many areas of Los Angeles and Ventura counties Wednesday into Thursday,” according to the NWS warning.
Named after Southern California’s Santa Ana Canyon, the region’s Santa Ana winds bring blustery, dry and warm wind that blows out of the desert, drying out vegetation and increasing wildfire danger.
As of Wednesday, at least two wind-driven fires have already broken out in Southern California.
Mountain Fire
The fast-moving Mountain Fire in Ventura County has spread over 1,000 acres, prompting evacuation orders, threatening structures and leaving several people injured, according to local fire officials.
Due to extreme wind conditions, fixed-wing aircraft are unable to assist in firefighting efforts, according to the Ventura Fire Department, which said ground crews, helicopters and mutual aid resources are “actively working to protect lives and property.”
Evacuation orders are in effect for Walnut Ave to Balcom Canyon Road and North Highway 118 to the ridgeline and west to Saticoy County Club in Ventura County, according to CAL Fire.
Broad Fire
A second wildfire erupted in Los Angeles County’s Malibu area Wednesday — named the Broad Fire — and has burned at least 50 acres southwest of South Malibu Canyon Road and the Pacific Coast Highway (PCH) in Malibu, according to CAL Fire.
Local fire officials have warned residents to prepare for potential evacuations and the PCH has been closed in both directions between Webb Way and Corral Canyon.
Santa Ana wind conditions
The long-duration Santa Ana wind event will reach its peak on Wednesday, becoming moderate on Thursday, then tailing off to light offshore winds on Friday.
Northeast winds moving 20 to 40 mph with gusts up to 60 mph are expected across the canyons and passes of Southern California through Wednesday, with higher winds in the more wind-prone areas.
Another surge of wind is expected to peak late Wednesday night through Thursday morning with widespread northeast winds of 20 to 30 mph with gusts to 50 mph before weakening considerably by Thursday afternoon.
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