7/25/2023 0 Comments Fire hazard cal fire mapWhere discrepancies exist between the colour display on the weather maps and the numerical values posted for the weather stations, the posted numerical values shall take precedence for the purpose of implementing the Wildfire Regulation. For regulated forest operations, the danger class value must be derived from weather data representative of the site on which operations are being conducted. NOTE: The danger class map is intended for general public information only. General forest activities may be restricted, including open burning, industrial activities and campfires. New fires will start easily, spread rapidly, and challenge fire suppression efforts. Open burning and industrial activities may be restricted.Įxtreme: Extremely dry forest fuels and the fire risk is very serious. Extreme caution must be used in any forest activities. New fires may start easily, burn vigorously, and challenge fire suppression efforts. High: Forest fuels are very dry and the fire risk is serious. Carry out any forest activities with caution. Moderate: Forest fuels are drying and there is an increased risk of surface fires starting. Low: Fires may start easily and spread quickly but there will be minimal involvement of deeper fuel layers or larger fuels. The fire danger rating (the risk of a wildfire starting) for the province is updated daily at approximately 2 pm. Data from other agencies’ weather stations is also used and transferred electronically to headquarters. This data is transmitted to BC Wildfire Service headquarters every hour from April through October, but less frequently and from fewer stations during the winter months. Temperature, relative humidity, precipitation, wind speed and wind direction are recorded by the fully automated stations. This information is used for making fire prevention, preparedness and suppression decisions, as well as other general fire management decisions. With it, fire managers can assess the potential for ignition, spread and burning intensity. The computer-based CFFDRS is the primary fire management decision aid in Canada. These hourly weather observations, supplemented by data from other agency stations, support fire weather forecasting and the Canadian Forest Fire Danger Rating System (CFFDRS). The BC Wildfire Service operates about 260 weather stations, which send reports on an hourly basis.
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