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pyrocumulus

American  
[pahy-roh-kyoo-myuh-luhs] / ˌpaɪ roʊˈkyu myə 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.

In fact, days after it ignited, the fire had wafted a giant pyrocumulus cloud over the Sierra.

From Los Angeles Times • Sep. 23, 2022

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

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

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

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