What is a 'pyrocumuls' cloud? And how do they form?

It was a sight that caught many of you by surprise. A towering cloud south of San Angelo that brought hope of some rain. As Chief Meteorologist Ricky Cody explains, that cloud was ignited by a grass fire.
Published: 8:19 PM CDT August 16, 2019
Updated: 8:18 PM CDT August 16, 2019