A flammagenitus cloud, [1] also known as a flammagenitus, pyrocumulus cloud, or fire cloud, is a dense cumuliform cloud associated with fire or volcanic eruptions. [2] A flammagenitus is similar dynamically in some ways to a firestorm , and the two phenomena may …

2021年9月1日 · Known also by the abbreviation pyroCb, these clouds are are so intense that they modify local weather, producing intense downbursts, for example and creating amazing lightning storms that can...

2017年12月12日 · The cloud, created by the ongoing Thomas Fire that has scorched more than 230,500 acres (93,280 hectares) of Southern California, is an example of a pyrocumulus cloud — literally, a puffy ...

But, what is a pyrocumulus cloud? Simply put, it is a cumulus cloud that is formed by hot air and smoke being released into the sky, usually during volcanic eruptions, or in Texas’s case, by...

2023年8月1日 · Pyrocumulonimbus clouds look much darker than typical clouds because of their large amounts of smoke and ash. They can reach heights of 50,000 feet and generate their own systems of...

2020年7月15日 · Once cooled sufficiently, water vapour condenses on the ash to form a grey or brown cloud above the plume. At this stage, the cloud is called a pyrocumulus. Still, if enough water vapour is available and the updraft intensifies, …

2020年11月20日 · California’s worst fire season on record has generated a number of pyrocumulus clouds. The Apple fire, which began in Riverside County near Banning on July 31, created an enormous plume of smoke...

2024年12月26日 · The intense heat source forces the air upwards, creating a cloud. Pyrocumulus clouds appear much darker than normal clouds because they are filled with smoke and ash.

2012年6月11日 · 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 generate these clouds can be man-made or natural.

2022年10月17日 · High-intensity wildland fires can produce extreme flaming and smoke emissions that develop into a fire-cloud chimney, reaching into the upper troposphere or lower stratosphere. Termed...