← Forests and Tornadoes Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All Supercells A system producing severe thunderstorms and featuring rotating winds sustained by a prolonged updraft Canopy The uppermost trees or branches of trees in a forest Saturated Holding as much water or moisture as can be absorbed Pyro-cumulus clouds A cloud associated with fire or volcanic activity Borne Carried or transported by