California firefighters make progress as wildfires push devastation and spread smoke across US West

Dozens of wildfires burning in the West

Among the fires is the Park Fire burning near Chico. It's the largest fire in state history.

Firefighters made progress and were aided by improving weather over the weekend in the battle against wildfires covering massive areas and leaving a trail of damage in the western United States, but further evacuations and resources have been necessary as thousands of personnel tackle the flames.

The so-called Park Fire, the largest wildfire in California this year, was one of more than 100 blazes burning in the U.S. on Sunday, according to the National Interagency Fire Center. Some were sparked by the weather, with climate change increasing the frequency of lightning strikes as the western U.S. endures blistering heat and bone-dry conditions.

The Park Fire had scorched an area greater than the city of Los Angeles as of Monday, darkening the sky with smoke and engaging thousands of firefighters. The blaze spanned more than 562 square miles (1,455 square kilometers) of inland Northern California.

Winds and temperatures were expected to increase slightly amid a drop in humidity, officials said in an update early Monday.

Air quality alerts were issued for Monday in the northwestern U.S. and western Canada.

The Park Fire started Wednesday, when authorities say a man pushed a burning car into a gully in Chico and then fled. A man accused of setting the fire was arrested Thursday and is due in court Monday.

Firefighters increased containment to 12% on Saturday, aided by cooler temperatures and more humidity, officials said.

Although cooler-than-average temperatures are expected through the middle of this week, that doesn’t mean existing fires will disappear, said Marc Chenard, a meteorologist at the National Weather Service’s Weather Prediction Center in College Park, Maryland.

The National Weather Service issued "red flag" warnings Monday for wide swaths of Idaho, Montana, Utah and Wyoming, in addition to parts of California, meaning dry fuels and stronger winds were increasing the fire danger, the weather service said.

Park Fire arsonist could face life sentence

The man allegedly responsible for sparking the massive Park Fire, Ronnie Dean Stout II, could face 25 years to life if convicted.

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"This fire is surprising a lot of people with its explosive growth," he said. "It is kind of unparalleled."

The Park Fire has drawn comparisons to the 2018 Camp Fire that tore through Paradise, killing 85 people and torching 11,000 homes.

Cohasset exhibited remnants of the devastation Sunday. Mailboxes and vehicles were covered with pink fire retardant dropped by aircraft. The husks of a washer and dryer set were surrounded by burned debris and a charred motorcycle was propped upright, balancing on rims after its tires apparently melted away.

Another part of Cohasset was relatively unscathed, said Garrett Sjolund, the Butte County fire chief.

"We have an unburned island in that community that we are continuing to patrol and ensure that there are no hot spots in it," Sjolund said.

Managing evacuation orders in the area has been complex. Authorities were about to downgrade an order to an evacuation warning for Forest Ranch when they learned a number of hot spots were reported nearby, Butte County Sheriff Kory Honea said.

"That illustrates how rapidly things can change," Honea said. "We were all set to be able to reduce that order to get people back in there."

In Southern California, about 2,000 people were ordered to evacuate because of a fire sweeping through the Sequoia National Forest. The wind-driven blaze was fed by dried, dead plants and moving fast, eating up more than 60 square miles (155 square kilometers) in four days, Andrew Freeborn of the Kern County Fire Department said.

No fatalities have been reported in the Park and Borel fires, but some people were increasing the danger for everyone by disregarding evacuation orders, Freeborn said.

"When people are trying to ignore the orders and later call for rescue, that takes firefighters away from the task of fighting the fires," he said. "This fire is moving at a pace and with such intensity that individuals should not be thinking they can wait until the last minute. They need to get out of the way."

The historic mining town of Havilah and several other communities were "heavily impacted" by the fires, but it was too soon to count the burned homes, Freeborn said.

The Park Fire has destroyed at least 66 structures and damaged five others, Tracy said. Authorities initially believed 134 structures were lost, based on drone footage, but lowered the number after assessing the damage in-person, while acknowledging the figure could increase.

"Each day that number has potential to grow. Our teams obviously don’t do damage inspections when there is active fire in an area," Tracy said.

Jerry White, 72, left his Magalia home of 50 years when authorities issued an evacuation warning. Years earlier White sustained third-degree burns and the memory of that pain made him take the warning seriously.

"I don’t want to catch fire again. It’s one of the worst pains you can endure," White said. "I wanted to get out of dodge. Burns are bad."

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Boone reported from Boise, Idaho. AP reporters around the U.S. who contributed include Eugene Garcia, David Sharp, Becky Bohrer, John Antczak, Rio Yamat, David Sharp, Holly Ramer, Sarah Brumfield, Claire Rush, Terry Chea, Scott Sonner, Martha Bellisle, Amy Hanson and Kathy McCormack.