California’s Line Fire is burning so intensely that it created its own weather. Dramatic pyrocumulus, or “fire clouds,” exploded over the fire Monday at the exact time a high-resolution weather ...

A pyrocumulus cloud from the Station fire looms over downtown Los Angeles in August 2009. (Don Bartletti/Los Angeles Times) The first full weekend of September, with the Line fire 20,000 acres in size ...

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 ...

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 ...

Photographer Jesse Rockwell was able to capture a stunning timelapse of a pyrocumulus cloud forming over the Rey Fire near Santa Barbara, Calif., on Saturday, August 20. According to the American ...

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 ...

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 ...