California wildfire spirals out of control near Yosemite

On Friday, flames rise from the trees as the Oak Fire crosses Darrah Road in Mariposa County, California. | Noah Berger, AP via CNN

JERSEYDALE, Calif. (AP) — A destructive wildfire near Yosemite National Park that burned out of control Sunday through dry forest land has become one of California’s largest fires of the year, forcing thousands of residents to flee remote mountain communities.

Some 2,000 firefighters battled the Oak Fire, along with planes and bulldozers, facing harsh conditions including steep terrain, sweltering temperatures and low humidity, according to the California Department of Forestry and Fire Protection, or Cal Fire .

“It’s still hot today,” Cal Fire spokeswoman Natasha Fouts said Sunday. “And the fuel moisture levels are extremely low.”

Light winds were blowing embers into the branches of the trees “and because it’s so dry, it’s easy for spot fires to get established and that’s what fuels the growth,” Fouts said.

The fire started on Friday southwest of the park near the town of Midpines in Mariposa County. Officials described “explosive fire behavior” on Saturday as flames swept through very dry vegetation caused by the worst drought in decades.

By Sunday, the fire had consumed more than 22 square miles (56 square km) of forest land, without containment, Cal Fire said. The cause was under investigation.

Evacuations were in place for more than 6,000 people living for several miles in the sparsely populated area of ​​the Sierra Nevada foothills, although a handful of residents defied orders and stayed, said Adrienne Freeman of the US Forest Service.

“We urge people to evacuate when told,” she said. “This fire moves very quickly.”

Governor Gavin Newsom declared a state of emergency for Mariposa County due to the effects of the fire.

The flames destroyed at least 10 residential and commercial structures and damaged five others, Cal Fire said. Assessment teams were traveling to mountain towns to check for additional damage, Fouts said.

Many roads were closed, including a section of State Route 140 which is one of the main routes into Yosemite.

California has seen increasingly large and deadly wildfires in recent years as climate change has made the West much hotter and drier over the past 30 years. Scientists said weather will continue to be more extreme and wildfires will be more frequent, destructive and unpredictable.

Pacific Gas & Electric said on its website that more than 3,100 area homes and businesses lost power on Sunday and there was no indication when it would be restored. “PG&E is unable to access the affected equipment,” the utility said as flames roared Friday.

The Oak Fire was started as firefighters made progress against an earlier blaze, the Washburn Fire, which burned to the edge of a grove of giant sequoias in the southernmost part of Yosemite National Park. The 7.5 square mile (19 km2) blaze was nearly 80% contained after burning for two weeks and moving through the Sierra National Forest.

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Weber contributed from Los Angeles.

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