![]() ![]() Under Control (UC): A wildfire having received sufficient suppression action to ensure no further spread of the fire.Being Held (BH): Indicates that with currently committed resources, sufficient suppression action has been taken that the wildfire is not likely to spread beyond existent or predetermined boundaries under prevailing and forecasting conditions.Out-of-Control: A wildfire not responding or only responding on a limited basis to suppression action such that perimeter spread is not being contained.Backtank: A plastic or metal container that holds water carried on the back of a firefighter.Used for digging, scraping, grubbing and cutting. Shovel: A type of shovel specifically designed for use in constructing a fire line, having a tempered blade with both edges sharpened.Pump: An engine driven pump, usually gasoline powered, specifically designed for use in fire.Useful for grubbing or trenching in duff and matted roots. Pulaski: A combination chopping and trenching tool, which combines a single-bitted axe-blade with a narrow adze-like trenching blade fitted to a straight handle.The constructed portion of a control line.įire Hand Tools - The principle hand tools used in wildf re suppression are: (Note Fire Hazard, Fire Risk, and Burning Conditions.)įireguard - A strategically planned barrier, either manually or mechanically constructed, intended to stop or retard the rate of spread of a fire, and from which suppression action is carried out to control a fire. (Note the three classes of Crown Fire under Wildfire.)įire Danger - A general term used to express an assessment of both fixed and variable factors of the fire environment that determine the ease of ignition, rate of spread, difficulty of control, and fire impact. Crowning: A fire ascending into the crowns of trees and spreading from crown to crown.Spotting: A fire producing firebrands carried by the surface wind, a fire whirl, and/or convection column that fall beyond the main fire area.Torch or Torching: A single tree or a small clump of trees is said to "torch" when its foliage ignites and f ares up, usually from bottom to top.Running: A fire rapidly spreading and with a well-defined head. ![]() Creeping: A fire spreading slowly over the ground, generally with a low flame.Smouldering: A fire burning without flame and barely spreading. ![]() Some common terms used to describe fire behaviour include the following: The order describes what types of fires are allowed or may in fact entirely prohibit the use of any fire.įire Behaviour - The manner in which fuel ignites, flame develops, and fire spreads and exhibits other related phenomena as determined by the interaction of fuels, weather, and topography. Note Medium Fuels and Heavy Fuels.)įire Ban - A Ministerial Order issued by the provincial government to restrict the use of fire in areas of high hazard. (See Fireguard and Fireline.)įine Fuels - Fuels that ignite readily and are consumed rapidly by fire (e.g., cured grass, fallen leaves, needles, small twigs). (Stages of Control: see fire status.)Ĭontrol Line - A comprehensive term for all constructed or natural fire barriers and treated fire perimeter used to control a fire. (Synonym: Project Fire.)Ĭontrol a Fire - To complete a control line around a fire, any spot fires therefrom, and any interior island(s) to be saved cooling down all hot spots that are immediate threats to the control line until the lines can be expected to hold under foreseeable conditions. Media Guide to Forest Fires - Glossary of Wildfire TermsĪir tanker - A fixed-wing aircraft fitted with tanks and equipment for dropping suppressants or retardants on wildfires.Ĭampaign Fire - A wildfire of such size, complexity and/or priority that its extinction requires a large organization, high resource commitment, significant expenditure, and prolonged suppression activity. ![]()
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