Funnel cloud do not become tornadoes. Also, a tornado does not necessarily need to have an associated condensation funnel. If strong cyclonic winds are occurring at the surface (and connected to a cloud base, regardless of condensation), then the feature is a tornado. Some tornadoes may appear only as a debris swirl, with no obvious funnel cloud extending below the rotating cloud base. In cloud nomenclature, any funnel- or inverted-funnel-shaped cloud descending from cumulus or cumulonimbus clouds is technically described as an accessory feature called "tuba". The terms "tuba" and "funnel cloud" are nearly but not exactly synonymous; a wall cloud, for
Ordinary Thunderstorms Ordinary Thunderstorms Ordinary Thunderstorms is a novel by William Boyd. It explores the dark side of London's underworld and the international pharmaceutical industry. Adam Kindred is a recently divorced climatologist who has moved back to England. After attending an interview for a Senior Research Fellowship position at Imperial College, London, he goes into an Italian restaurant in Chelsea and briefly encounters Dr Philip Wang, who accidentally leaves a file behind. Adam takes it to Wang's hotel, only to discover that Wang has been murdered and still has the knife in his body. Before Wang dies, he asks Adam to remove