WebOct 22, 2024 · FWI Components 6. Fine Fuel Moisture Code (FFMC) index from the FWI system: 28.6 to 92.5 7. Duff Moisture Code (DMC) index from the FWI system: 1.1 to 65.9 ... 10. Buildup Index (BUI) index from the FWI system: 1.1 to 68 11. Fire Weather Index (FWI) Index: 0 to 31.1 12. Classes: two classes, namely “Fire†and “not Fire†WebApr 27, 2024 · The Fine Fuel Moisture Code (FFMC) captures changes in the moisture content of fine fuels and leaf litter on the forest floor, where fires can most easily start, …
Canadian Wildland Fire Information System Metadata
WebDec 1, 2010 · Mean monthly values of the FWI components and the FWI (3 = March, 10 = October) (Amiro et al. 2004) in the two eastern Canadian ecozones, redrawn from Amiro et al. . Full size image. The differences in forest floor drying patterns have important implications for spatial and temporal patterns of severe fire occurrence. First, stands that … WebJul 8, 2024 · There are 3 fire behavior indices in the FWI system: The Initial Spread Index (ISI) is analogous to the NFDRS Spread Component (SC). It integrates fuel moisture for fine dead fuels and surface windspeed ... mysql elasticsearch 同步数据
Drought-Forest Fire Relationships IntechOpen
WebThe Canadian Forest Fire Weather Index (FWI) System consists of six components that account for the effects of fuel moisture and weather conditions on fire behavior. The first three components are fuel moisture codes, which are numeric ratings of the moisture … The FWI System components are then calculated on a cell-by-cell basis … More information about the Canadian Forest Fire Weather Index (FWI) System … WebThe Canadian Forest Fire Weather Index (FWI) is a meteorologically based index, which has been used worldwide to assist wildfire danger forecasting. It consists of different … WebJan 1, 2009 · The FWI System has six components rating fuel moisture content and potential fire behaviour in a common fuel type of Canada (i.e., mature pine stand) and in no slope conditions. Calculations are based on daily noon measurements of air temperature, relative humidity, wind speed and 24-h cumulative precipitation. the spine doctor aiken