Ten structures — including four homes — have been destroyed by a wildfire sweeping through central Oregon as thousands of homes in the state and in Northern California wine country remained under evacuation orders Monday.
As of Sunday night, hundreds of other buildings in Oregon’s Deschutes County had survived the Flat Fire blaze as firefighting crews battled wildfires in dry, hot weather there and in California.
“We are deeply saddened by the loss of homes and personal property and extend our sympathy to those affected,” Deschutes County Sheriff Ty Rupert said in a Facebook post. “We are also encouraged that hundreds of homes have been protected thanks to aggressive firefighting efforts and the proactive work of property owners to reduce fuels around their homes.”
About 4,000 homes were under various levels of evacuation notices, including 1,000 with orders to leave immediately, due to the 29-square-mile (75-square-kilometer) Flat Fire in Deschutes and Jefferson counties, according to the state Fire Marshal’s Office. More than 800 structures were located within and immediately surrounding the fire perimeter late Sunday night.
Firefighters were able to cut containment lines and continued to suppress fires in some residential areas. However, they faced significant challenges with difficult terrain, low humidity and triple-digit temperatures in some areas, officials said.
Pickett Fire spreads in California’s wine country
Meanwhile, the Pickett Fire in Northern California had charred about 10 square miles (26 square kilometers) of Napa County. It was just 11% contained by Sunday evening, according to the California Department of Forestry & Fire Protection, or Cal Fire.
About 150 people were ordered to leave their homes, while another 360 were under evacuation warnings as the fire threatened 500 structures near Aetna Springs and Pope Valley, 80 miles (130 kilometers) north of San Francisco, said Cal Fire spokesperson Jason Clay. Some evacuation orders were later lifted.
More than 1,230 firefighters backed by 10 helicopters were battling the California fire, which began in a remote area Thursday after a week of hot weather. The cause of the fire is under investigation.
Heat wave complicates the firefighting efforts
Residents of the western United States have been sweltering in a heat wave that hospitalized some people, with temperatures hitting dangerous levels throughout the weekend in Washington, Oregon, Southern California, Nevada and Arizona.
Clay said the weather has moderated since the California fire began, with Sunday’s high about 94 degrees Fahrenheit (34 Celsius). But humidity levels were expected to drop with increasing winds later in the day.
“That’s been a driving factor in the afternoons since we’ve seen the fire activity pick up for the last three days,” Clay said, adding that “support from all up and down California has been critical to our efforts.”
The Pickett Fire began in the same area as the much larger Glass Fire in 2020, which crossed into Sonoma County and eventually burned about 105 square miles (272 square kilometers) and more than 1,500 structures.
Fires fueled by dry vegetation
The 2020 blaze was driven by wind, while the current conflagration is fueled mainly by dry vegetation on steep slopes — some of it dead and downed trees left over from the Glass Fire and some of it grass and brush that grew back and then dried out again, said Clay.
The area of the Oregon fire is in a high desert climate, where dried grasses and juniper trees are burning and fire is racing through canyon areas where it’s challenging to create containment lines, said Deschutes County sheriff’s spokesperson Jason Carr.
In central California, the state’s largest blaze this year, the Gifford Fire, was at 95% containment Sunday after charring nearly 206 square miles (534 square kilometers) of San Luis Obispo and Santa Barbara counties since erupting on Aug. 1. The cause is under investigation.
Although it’s difficult to directly tie a single fire or weather event directly to climate change, scientists say human-caused warming from burning fossil fuels like coal and gas is causing more intense heat waves and droughts, which in turn set the stage for more destructive wildfires.
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Associated Press writer Christopher Weber contributed from Los Angeles.
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