California wildfires: What we know about L.A.-area fires, what caused them, who is affected and more

Fueled by powerful winds and dry conditions, a series of ferocious wildfires erupted last week and roared across the Los Angeles area, killing at least 27 people, including some who died trying to prevent the fires from engulfing their homes, and destroying thousands of structures.

A Los Angeles County fire official said an untold number of significant injuries were linked to two of the fires, and a city official in Los Angeles described the night of Jan. 7 as “one of the most devastating and terrifying” that she had seen in her corner of the city.

Here’s what we know about the fires.

Where are the fires?

The Palisades Fire erupted the morning of Jan. 7 in Pacific Palisades, a Los Angeles neighborhood east of Malibu, as a brush fire. The blaze, which had grown to 23,713 acres, was 39% contained by Friday night, according to the California Department of Forestry and Fire Protection, known as Cal Fire. Cal Fire said the fire likely damaged or destroyed 5,316 structures.

The Eaton Fire ignited hours after the Palisades Fire near a canyon in the sprawling national forest lands north of downtown Los Angeles. It had exploded to 14,117 acres and was 65 % contained by Friday night, according to Cal Fire. The agency said more than 7,800 structures were likely damaged or destroyed in the blaze.

As firefighters were battling the largest blazes, additional fires broke out in the Los Angeles area. Crews were able to stop the forward spread and contain the blazes.

As of Friday night, the Lidia, Archer, Woodley, Sunset, Kenneth, Hurst and Auto fires were 100% contained, according to Cal Fire. Between them, the fires scorched 2,399 acres.

Have there been deaths and injuries?

As of Thursday afternoon, at least 27 people had died in the fires, according to Los Angeles County officials.

The county medical examiner’s office is still investigating many of the deaths. The department noted that it cannot confirm human remains until it processes them at its facility.

At least 17 of the deaths were in the Eaton Fire and 10 in the Palisades Fire, according to the medical examiner’s office.

The medical examiner’s office said it could take weeks to confirm the identities of those killed.

Officials have warned that the death toll could grow.

Los Angeles County Fire Chief Anthony Marrone said a significant number of people who did not heed evacuation orders have been injured in the Palisades Fire. He also said there have been significant injuries in the Eaton Fire.

How many people are affected?

At one point there were close to 200,000 people under evacuation orders as crews tried to battle back the fires. By Tuesday morning the number had dwindled to around 88,000 with another 84,800 in evacuation warning zones throughout Los Angeles County.

On Thursday, officials announced limited repopulation for some areas evacuated amid the Palisades and Eaton fires.

The fires have destroyed entire neighborhoods and blocks, leaving an unknown number of people homeless.

How much damage have the fires done?

The insured losses from last week’s fires may exceed $20 billion, and total economic losses could reach $50 billion, according to estimates published by JPMorgan on Thursday.

Those losses would far exceed the $12.5 billion in insured damages from the 2018 Camp Fire, which until now was the costliest blaze in the country’s history, according to data from Aon.

What led to the fires?

The official cause of the fires has not been determined.

The combination of drought-like conditions — Southern California has had less than 10% of average rainfall since Oct. 1 — and powerful offshore winds that hit the region last week prompted fire weather that was, in the words of the National Weather Service, “about as bad as it gets.”

The agency issued a red flag warning — indicating an increased risk for fire danger — to 19 million people. Wind gusts topping 70 mph were recorded at several locations across the region.

Climate scientist Daniel Swain pointed to the weather whiplash California has experienced in recent years — lurching between drought and heavy rainfall — and said such swings are a key element of the fire weather gripping the region.

“It’s not just that drier conditions are perpetually more likely in a warming climate,” he said, according Inside Climate News. “It’s that this oscillation back and forth between states is something that is particularly consequential for wildfire risk in Southern California.”

This article was originally published on NBCNews.com

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