Smoke Column 2 : Smoke and other gases that form a column: shaped mass above a fire, characterized by sharply defined, billowed edges. Note: Convection Column
The Canadian Interagency Forest Fire Centre (CIFFC), Glossary of Forest Fire Management Terms, Manitoba, Canada 2003. http://bcwildfire.ca/mediaroom/Backgrounders/2003_ Fire_Glossary.pdf, (For Fr - Canad) {474}