When a wildfire grows big and hot enough, it fuels its own storms that spark lightning, unleash winds and spin up 140 mph firenadoes.

The huge, billowing blackish-gray cloud, also known as a fire cloud or Flammagenitus cloud stretched up almost 30,000 feet high, although they usually only get to about 5.0 miles (26,000 feet). And ...

Two wildfires burning in the western United States — including one that has become a "megafire" on the North Rim of the Grand Canyon — are so hot that they're spurring the formation of "fire clouds" ...

The Dragon Bravo Fire has grown to over 111,000 acres, becoming the largest wildfire in the continental US in 2025. The fire is generating pyrocumulus clouds, which can create dangerous fire behavior ...

SALT LAKE CITY (AP) — Two wildfires burning in the western United States — including one that has become a “megafire” on the North Rim of the Grand Canyon — are so hot that they’re spurring the ...

PORTLAND, Ore. (AP) — Smoke and heat from a massive wildfire in southeastern Oregon are creating giant “fire clouds” over the blaze — dangerous columns of smoke and ash that can reach up to 6 miles ...

Timelapse video of a pyrocumulus cloud over the Babylon Fire in Blanding, UT.

The wildfire that destroyed the historic Grand Canyon Lodge earlier this month has expanded to more than 105,000 acres, fire officials in Arizona said Thursday. A timelapse video captured on Tuesday ...

View post: Popular Band Killed in Bahamas Plane Crash While Traveling to Perform These towering pyrocumulus clouds, formed when superheated air from the fires rises and condenses with moisture, have ...

DENVER (KDVR) — Multiple fires are burning on the Western Slope, and a weather phenomenon known as fire clouds caused one of the fires to spread across a highway, and it is now among the largest ...

A: A pyrocumulus is a fire cloud. A pyrocumulus cloud forms from rising air that results from intense heating of the surface by phenomena such as wildfires or volcanic eruptions. The fires that ...