"These tall, billowing features typically have a column of smoke at their base and powerful updrafts that channel large amounts of smoke high into the atmosphere," NASA says.
"One of the major concerns with that is the downdraft that comes off of it similar to a thunderstorm," Lewis told the outlet.
"These 'fire clouds' can create their own weather, such as rain, hail, extreme winds, and even tornadoes," according to Smokey Bear.
"All three fires have created large pyrocumulus smoke plumes," the institute wrote.
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