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pyrocumulus

American  
[pahy-roh-kyoo-myuh-luhs] / ˌpaɪ roʊˈkju mjə ləs /

noun

  1. a cloud produced from rising warm air and water vapour, caused by intense heat such as from fire or volcanic activity.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Less fortunately, both factors can act to speed fire spread and promote pyrocumulus formation.

From Los Angeles Times • Sep. 22, 2024

By Thursday afternoon, the fire had generated a giant pyrocumulus cloud over the Sierra, jumped the middle fork of the American River and was burning its way toward Volcanoville in El Dorado County.

From Los Angeles Times • Sep. 9, 2022

The Mosquito fire has also shot plumes of smoke up to 40,000 feet into the air, creating a giant pyrocumulus cloud filled with smoke and ash that can be seen from dozens of miles away.

From New York Times • Sep. 8, 2022

She warned that pyrocumulus clouds can cause lightning strikes nearby, as was the case in last year’s Dixie fire.

From New York Times • Sep. 8, 2022

On August 4th, a pyrocumulus cloud collapsed on the ridge above the tarnished old Gold Rush community where I worked, erupting into red-hot embers that fell over a several square-mile area.

From Salon • May 22, 2022

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