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California wildfires force more evacuations amid record heat and lightning strikes


Thousands of people in California are under evacuation orders as dozens of wildfires continued to ravage parts of the state on Wednesday with an unrelenting heatwave and high winds making firefighting conditions difficult. 

Governor Gavin Newsom has declared a state of emergency during evacuations and rolling blackouts and called on the California National Guard to help with relief efforts. Authorities in Sonoma County warned of an “immediate threat to life” from the ongoing fires.  

By Wednesday morning, residents in parts of Northern California including Napa and Sonoma Counties, San Mateo and Santa Cruz were under urgent evacuations. The LNU Lightning Complex Fire has burned 32,000 acres in Sonoma, Lake, Napa and Solano Counties and has destroyed some homes.

The more than two dozen fires raging across the state are made worse by an extreme heat wave that started over the weekend. It recently set a temperature of 130 degrees Fahrenheit in California’s Death Valley, the hottest U.S. temperature in at least 107 years.

The extreme heat and dryness are driven by a heat dome, or a high pressure system that pushes down air from above, which then compresses and heats up near land. Heat domes are likely to be more severe as the climate changes. 


Climate change is driving hotter and more frequent heat waves across the world and causing increasingly severe wildfires. In the U.S., California has experienced the worst of the destruction, including the Thomas Fire in 2017 and Camp Fire in 2018 that collectively killed more than 100 people and left tens of thousands of people homeless. 

Extreme lightning storms have helped ignite some of the fires, with at least 6,000 lightning strikes recorded as of Tuesday that started more than 200 fires in the state, according to the California Department of Forestry and Fire Protection.

In this long exposure photograph, flames consumes both sides of a segment of Lake Berryessa during the Hennessey fire in the Spanish Flat area of Napa, California on August 18, 2020.

Josh Edelson | AFP | Getty Images

“California and its federal and local partners are working in lockstep to meet the challenge and remain vigilant in the face of continued dangerous weather conditions,” Newsom said on Tuesday. 

The fires, which are releasing a tremendous amount of smoke into the air, occur as the state grapples with a surge in coronavirus cases, raising fears over the safety of firefighters and those evacuating their homes. 

The pandemic has strained emergency resources and hindered preparation for the fire season over the last few months.

People stand next to flames rising from the Ranch fire in the San Gabriel mountains above Azusa, 25 miles east of Los Angeles, California, on August 14, 2020.

Apu Gomes | AFP | Getty Images


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