Cumulonimbus flammagenitus (cloud) on the fujita scale, the first confirmed violent fire tornado. The tornado and associated fire killed 4 people and injured 492. Cumulonimbus flammagenitus (cloud) The cumulonimbus flammagenitus cloud (CbFg) is a type of cumulonimbus cloud that forms above a source of heat, such as a wildfire, and may sometimes even extinguish the fire that formed it. It is the most extreme manifestation of a flammagenitus cloud. According to the American Meteorological Society’s Glossary of Meteorology, a flammagenitus is "a cumulus cloud formed by a rising thermal from a fire, or enhanced by buoyant plume emissions from an industrial combustion process."
Cloud dragon Cloud dragon The cloud dragon, also known as the Draco Cumulus Welkin, is a type of dragon in the "Dungeons & Dragons" fantasy role-playing game. The cloud dragon first appeared in the first edition "Monster Manual II" (1983). The cloud dragon appeared in second edition for the Greyhawk setting in the "Monstrous Compendium Greyhawk Appendix" (1990), and is reprinted in the "Monstrous Manual" (1993). A cloud dragon is a neutrally aligned dragon which can take a gaseous form at will, and can exhale a powerful blast of air. The cloud dragon appeared under the "dragon" heading in the "Tome of