A wildfire, dubbed the Summit Fire, is rapidly spreading through northern Los Angeles County, forcing evacuations and triggering advisories for toxic smoke. As of Saturday morning, the blaze had scorched more than 2,600 acres in the Antelope Valley, near the border with San Bernardino County. Officials issued evacuation orders for specific zones, urging residents in LAC-E107 and LAC-E127-C to leave immediately. Additional residents in several other zones were placed under evacuation warnings, advised to prepare to leave if conditions worsen.
Smoke Advisories and Air Quality Concerns
Los Angeles County Health officials issued a smoke advisory for portions of the county due to the fire near Phelan, effective through Saturday afternoon. The National Weather Service, in conjunction with the South Coast Air Quality Management District (AQMD), issued an Air Quality Alert. This alert warned that high elevation areas in the San Gabriel and San Bernardino mountains, including Big Bear Lake and Lake Arrowhead, could experience harmful levels of air pollution. Residents in these affected areas were advised to stay indoors, use air conditioners or purifiers, and seek medical attention if experiencing smoke-related symptoms.
San Bernardino County has also implemented evacuation warnings for three zones: PIN006, PIN005, and WWD03. An evacuation shelter has been established at the Antelope Valley Family YMCA in Lancaster, with a small animal shelter operating at the Los Angeles County Animal Care Center-Palmdale.
Fire Spread and Terrain Challenges
The Summit Fire experienced rapid growth on Friday, expanding from 309 acres to 1,600 acres in approximately two and a half hours. Firefighters are working to contain the blaze from both air and ground, but the steep and rugged terrain presents significant access challenges. Despite these difficulties, crews are engaged in suppression efforts throughout the night, supported by night-flying helicopters. Firefighting efforts are being aided by the fire's movement toward the Bridge Fire burn scar, an area with reduced vegetation that is expected to help slow the fire's advance.
Temperatures are also a contributing factor, with forecasts indicating a high of 102 degrees Fahrenheit in Llano, where the fire originated. The flames have impacted the local environment, scorching centuries-old Western Joshua trees, a species protected under California law due to its cultural significance and ecological importance in the region.