Imagine a single thunderstorm cloud amidst clear blue skies. That’s exactly what can happen if you have an incredible heat source such as a volcano or wildfire, it can be so intense it can create its ...

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 ...

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 ...

Wildfires can generate tornado-like fire whirls and other "unpredictable and erratic" weather. An atmospheric scientist explains how. When you purchase through links on our site, we may earn an ...

GRAND JUNCTION, Colo. — Crews battling the sprawling Pine Gulch Fire were presented with another problem overnight Tuesday — a flurry of lightning, and not solely from a rain-producing thunderstorm.

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 ...

Images from a NASA satellite show a massive pyrocumulus cloud, or "fire cloud," erupting from the Line Fire in San Bernardino County this week. The NASA Earth Observatory images were created from USGS ...

The first full weekend of September, with the Line fire 20,000 acres in size and only 3% contained, a resident of San Bernardino County described the sky as looking “exactly like a nuclear warhead had ...